Merge branch 'for-next' into for-linus

include/sound/core.h

@@ -118,8 +118,6 @@ struct snd_card {
 	int user_ctl_count;		/* count of all user controls */
 	struct list_head controls;	/* all controls for this card */
 	struct list_head ctl_files;	/* active control files */
-	struct mutex user_ctl_lock;	/* protects user controls against
-					   concurrent access */
 
 	struct snd_info_entry *proc_root;	/* root for soundcard specific files */
 	struct snd_info_entry *proc_id;	/* the card id */
@@ -138,7 +136,6 @@ struct snd_card {
 
 #ifdef CONFIG_PM
 	unsigned int power_state;	/* power state */
-	struct mutex power_lock;	/* power lock */
 	wait_queue_head_t power_sleep;
 #endif
 
@@ -151,16 +148,6 @@ struct snd_card {
 #define dev_to_snd_card(p)	container_of(p, struct snd_card, card_dev)
 
 #ifdef CONFIG_PM
-static inline void snd_power_lock(struct snd_card *card)
-{
-	mutex_lock(&card->power_lock);
-}
-
-static inline void snd_power_unlock(struct snd_card *card)
-{
-	mutex_unlock(&card->power_lock);
-}
-
 static inline unsigned int snd_power_get_state(struct snd_card *card)
 {
 	return card->power_state;
@@ -177,8 +164,6 @@ int snd_power_wait(struct snd_card *card, unsigned int power_state);
 
 #else /* ! CONFIG_PM */
 
-#define snd_power_lock(card)		do { (void)(card); } while (0)
-#define snd_power_unlock(card)		do { (void)(card); } while (0)
 static inline int snd_power_wait(struct snd_card *card, unsigned int state) { return 0; }
 #define snd_power_get_state(card)	({ (void)(card); SNDRV_CTL_POWER_D0; })
 #define snd_power_change_state(card, state)	do { (void)(card); } while (0)

sound/aoa/codecs/onyx.c

@@ -167,7 +167,7 @@ static int onyx_snd_vol_put(struct snd_kcontrol *kcontrol,
 	return 1;
 }
 
-static struct snd_kcontrol_new volume_control = {
+static const struct snd_kcontrol_new volume_control = {
 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name = "Master Playback Volume",
 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@@ -229,7 +229,7 @@ static int onyx_snd_inputgain_put(struct snd_kcontrol *kcontrol,
 	return n != v;
 }
 
-static struct snd_kcontrol_new inputgain_control = {
+static const struct snd_kcontrol_new inputgain_control = {
 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name = "Master Capture Volume",
 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@@ -284,7 +284,7 @@ static int onyx_snd_capture_source_put(struct snd_kcontrol *kcontrol,
 	return 1;
 }
 
-static struct snd_kcontrol_new capture_source_control = {
+static const struct snd_kcontrol_new capture_source_control = {
 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 	/* If we name this 'Input Source', it properly shows up in
 	 * alsamixer as a selection, * but it's shown under the
@@ -348,7 +348,7 @@ static int onyx_snd_mute_put(struct snd_kcontrol *kcontrol,
 	return !err ? (v != c) : err;
 }
 
-static struct snd_kcontrol_new mute_control = {
+static const struct snd_kcontrol_new mute_control = {
 	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 	.name = "Master Playback Switch",
 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
@@ -476,7 +476,7 @@ static int onyx_spdif_mask_get(struct snd_kcontrol *kcontrol,
 	return 0;
 }
 
-static struct snd_kcontrol_new onyx_spdif_mask = {
+static const struct snd_kcontrol_new onyx_spdif_mask = {
 	.access =	SNDRV_CTL_ELEM_ACCESS_READ,
 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
@@ -533,7 +533,7 @@ static int onyx_spdif_put(struct snd_kcontrol *kcontrol,
 	return 1;
 }
 
-static struct snd_kcontrol_new onyx_spdif_ctrl = {
+static const struct snd_kcontrol_new onyx_spdif_ctrl = {
 	.access =	SNDRV_CTL_ELEM_ACCESS_READWRITE,
 	.iface =	SNDRV_CTL_ELEM_IFACE_PCM,
 	.name =		SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),

sound/aoa/codecs/tas.c

@@ -905,8 +905,8 @@ static int tas_i2c_probe(struct i2c_client *client,
 		goto fail;
 	}
 	printk(KERN_DEBUG
-	       "snd-aoa-codec-tas: tas found, addr 0x%02x on %s\n",
-	       (unsigned int)client->addr, node->full_name);
+	       "snd-aoa-codec-tas: tas found, addr 0x%02x on %pOF\n",
+	       (unsigned int)client->addr, node);
 	return 0;
  fail:
 	mutex_destroy(&tas->mtx);

sound/aoa/soundbus/i2sbus/pcm.c

@@ -778,7 +778,7 @@ static snd_pcm_uframes_t i2sbus_playback_pointer(struct snd_pcm_substream
 	return i2sbus_pcm_pointer(i2sdev, 0);
 }
 
-static struct snd_pcm_ops i2sbus_playback_ops = {
+static const struct snd_pcm_ops i2sbus_playback_ops = {
 	.open =		i2sbus_playback_open,
 	.close =	i2sbus_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -848,7 +848,7 @@ static snd_pcm_uframes_t i2sbus_record_pointer(struct snd_pcm_substream
 	return i2sbus_pcm_pointer(i2sdev, 1);
 }
 
-static struct snd_pcm_ops i2sbus_record_ops = {
+static const struct snd_pcm_ops i2sbus_record_ops = {
 	.open =		i2sbus_record_open,
 	.close =	i2sbus_record_close,
 	.ioctl =	snd_pcm_lib_ioctl,

sound/arm/aaci.c

@@ -348,7 +348,7 @@ static irqreturn_t aaci_irq(int irq, void *devid)
 /*
  * ALSA support.
  */
-static struct snd_pcm_hardware aaci_hw_info = {
+static const struct snd_pcm_hardware aaci_hw_info = {
 	.info			= SNDRV_PCM_INFO_MMAP |
 				  SNDRV_PCM_INFO_MMAP_VALID |
 				  SNDRV_PCM_INFO_INTERLEAVED |
@@ -635,7 +635,7 @@ static int aaci_pcm_playback_trigger(struct snd_pcm_substream *substream, int cm
 	return ret;
 }
 
-static struct snd_pcm_ops aaci_playback_ops = {
+static const struct snd_pcm_ops aaci_playback_ops = {
 	.open		= aaci_pcm_open,
 	.close		= aaci_pcm_close,
 	.ioctl		= snd_pcm_lib_ioctl,
@@ -738,7 +738,7 @@ static int aaci_pcm_capture_prepare(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static struct snd_pcm_ops aaci_capture_ops = {
+static const struct snd_pcm_ops aaci_capture_ops = {
 	.open		= aaci_pcm_open,
 	.close		= aaci_pcm_close,
 	.ioctl		= snd_pcm_lib_ioctl,
@@ -786,7 +786,7 @@ static SIMPLE_DEV_PM_OPS(aaci_dev_pm_ops, aaci_suspend, aaci_resume);
 #endif
 
 
-static struct ac97_pcm ac97_defs[] = {
+static const struct ac97_pcm ac97_defs[] = {
 	[0] = {	/* Front PCM */
 		.exclusive = 1,
 		.r = {

sound/arm/pxa2xx-pcm.c

@@ -68,7 +68,7 @@ static int pxa2xx_pcm_close(struct snd_pcm_substream *substream)
 	return __pxa2xx_pcm_close(substream);
 }
 
-static struct snd_pcm_ops pxa2xx_pcm_ops = {
+static const struct snd_pcm_ops pxa2xx_pcm_ops = {
 	.open		= pxa2xx_pcm_open,
 	.close		= pxa2xx_pcm_close,
 	.ioctl		= snd_pcm_lib_ioctl,

sound/atmel/ac97c.c

@@ -66,7 +66,7 @@ struct atmel_ac97c {
 #define ac97c_readl(chip, reg)				\
 	__raw_readl((chip)->regs + AC97C_##reg)
 
-static struct snd_pcm_hardware atmel_ac97c_hw = {
+static const struct snd_pcm_hardware atmel_ac97c_hw = {
 	.info			= (SNDRV_PCM_INFO_MMAP
 				  | SNDRV_PCM_INFO_MMAP_VALID
 				  | SNDRV_PCM_INFO_INTERLEAVED
@@ -461,7 +461,7 @@ atmel_ac97c_capture_pointer(struct snd_pcm_substream *substream)
 	return frames;
 }
 
-static struct snd_pcm_ops atmel_ac97_playback_ops = {
+static const struct snd_pcm_ops atmel_ac97_playback_ops = {
 	.open		= atmel_ac97c_playback_open,
 	.close		= atmel_ac97c_playback_close,
 	.ioctl		= snd_pcm_lib_ioctl,
@@ -472,7 +472,7 @@ static struct snd_pcm_ops atmel_ac97_playback_ops = {
 	.pointer	= atmel_ac97c_playback_pointer,
 };
 
-static struct snd_pcm_ops atmel_ac97_capture_ops = {
+static const struct snd_pcm_ops atmel_ac97_capture_ops = {
 	.open		= atmel_ac97c_capture_open,
 	.close		= atmel_ac97c_capture_close,
 	.ioctl		= snd_pcm_lib_ioctl,
@@ -558,7 +558,7 @@ static irqreturn_t atmel_ac97c_interrupt(int irq, void *dev)
 	return retval;
 }
 
-static struct ac97_pcm at91_ac97_pcm_defs[] = {
+static const struct ac97_pcm at91_ac97_pcm_defs[] = {
 	/* Playback */
 	{
 		.exclusive = 1,

sound/core/control.c

@@ -864,14 +864,14 @@ static int snd_ctl_elem_info_user(struct snd_ctl_file *ctl,
 
 	if (copy_from_user(&info, _info, sizeof(info)))
 		return -EFAULT;
-	snd_power_lock(ctl->card);
 	result = snd_power_wait(ctl->card, SNDRV_CTL_POWER_D0);
-	if (result >= 0)
-		result = snd_ctl_elem_info(ctl, &info);
-	snd_power_unlock(ctl->card);
-	if (result >= 0)
-		if (copy_to_user(_info, &info, sizeof(info)))
-			return -EFAULT;
+	if (result < 0)
+		return result;
+	result = snd_ctl_elem_info(ctl, &info);
+	if (result < 0)
+		return result;
+	if (copy_to_user(_info, &info, sizeof(info)))
+		return -EFAULT;
 	return result;
 }
 
@@ -881,24 +881,18 @@ static int snd_ctl_elem_read(struct snd_card *card,
 	struct snd_kcontrol *kctl;
 	struct snd_kcontrol_volatile *vd;
 	unsigned int index_offset;
-	int result;
 
-	down_read(&card->controls_rwsem);
 	kctl = snd_ctl_find_id(card, &control->id);
-	if (kctl == NULL) {
-		result = -ENOENT;
-	} else {
-		index_offset = snd_ctl_get_ioff(kctl, &control->id);
-		vd = &kctl->vd[index_offset];
-		if ((vd->access & SNDRV_CTL_ELEM_ACCESS_READ) &&
-		    kctl->get != NULL) {
-			snd_ctl_build_ioff(&control->id, kctl, index_offset);
-			result = kctl->get(kctl, control);
-		} else
-			result = -EPERM;
-	}
-	up_read(&card->controls_rwsem);
-	return result;
+	if (kctl == NULL)
+		return -ENOENT;
+
+	index_offset = snd_ctl_get_ioff(kctl, &control->id);
+	vd = &kctl->vd[index_offset];
+	if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_READ) && kctl->get == NULL)
+		return -EPERM;
+
+	snd_ctl_build_ioff(&control->id, kctl, index_offset);
+	return kctl->get(kctl, control);
 }
 
 static int snd_ctl_elem_read_user(struct snd_card *card,
@@ -911,14 +905,19 @@ static int snd_ctl_elem_read_user(struct snd_card *card,
 	if (IS_ERR(control))
 		return PTR_ERR(control);
 
-	snd_power_lock(card);
 	result = snd_power_wait(card, SNDRV_CTL_POWER_D0);
-	if (result >= 0)
-		result = snd_ctl_elem_read(card, control);
-	snd_power_unlock(card);
-	if (result >= 0)
-		if (copy_to_user(_control, control, sizeof(*control)))
-			result = -EFAULT;
+	if (result < 0)
+		goto error;
+
+	down_read(&card->controls_rwsem);
+	result = snd_ctl_elem_read(card, control);
+	up_read(&card->controls_rwsem);
+	if (result < 0)
+		goto error;
+
+	if (copy_to_user(_control, control, sizeof(*control)))
+		result = -EFAULT;
+ error:
 	kfree(control);
 	return result;
 }
@@ -931,30 +930,28 @@ static int snd_ctl_elem_write(struct snd_card *card, struct snd_ctl_file *file,
 	unsigned int index_offset;
 	int result;
 
-	down_read(&card->controls_rwsem);
 	kctl = snd_ctl_find_id(card, &control->id);
-	if (kctl == NULL) {
-		result = -ENOENT;
-	} else {
-		index_offset = snd_ctl_get_ioff(kctl, &control->id);
-		vd = &kctl->vd[index_offset];
-		if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_WRITE) ||
-		    kctl->put == NULL ||
-		    (file && vd->owner && vd->owner != file)) {
-			result = -EPERM;
-		} else {
-			snd_ctl_build_ioff(&control->id, kctl, index_offset);
-			result = kctl->put(kctl, control);
-		}
-		if (result > 0) {
-			struct snd_ctl_elem_id id = control->id;
-			up_read(&card->controls_rwsem);
-			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &id);
-			return 0;
-		}
+	if (kctl == NULL)
+		return -ENOENT;
+
+	index_offset = snd_ctl_get_ioff(kctl, &control->id);
+	vd = &kctl->vd[index_offset];
+	if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_WRITE) || kctl->put == NULL ||
+	    (file && vd->owner && vd->owner != file)) {
+		return -EPERM;
 	}
-	up_read(&card->controls_rwsem);
-	return result;
+
+	snd_ctl_build_ioff(&control->id, kctl, index_offset);
+	result = kctl->put(kctl, control);
+	if (result < 0)
+		return result;
+
+	if (result > 0) {
+		struct snd_ctl_elem_id id = control->id;
+		snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &id);
+	}
+
+	return 0;
 }
 
 static int snd_ctl_elem_write_user(struct snd_ctl_file *file,
@@ -969,14 +966,19 @@ static int snd_ctl_elem_write_user(struct snd_ctl_file *file,
 		return PTR_ERR(control);
 
 	card = file->card;
-	snd_power_lock(card);
 	result = snd_power_wait(card, SNDRV_CTL_POWER_D0);
-	if (result >= 0)
-		result = snd_ctl_elem_write(card, file, control);
-	snd_power_unlock(card);
-	if (result >= 0)
-		if (copy_to_user(_control, control, sizeof(*control)))
-			result = -EFAULT;
+	if (result < 0)
+		goto error;
+
+	down_write(&card->controls_rwsem);
+	result = snd_ctl_elem_write(card, file, control);
+	up_write(&card->controls_rwsem);
+	if (result < 0)
+		goto error;
+
+	if (copy_to_user(_control, control, sizeof(*control)))
+		result = -EFAULT;
+ error:
 	kfree(control);
 	return result;
 }
@@ -1095,9 +1097,7 @@ static int snd_ctl_elem_user_get(struct snd_kcontrol *kcontrol,
 	char *src = ue->elem_data +
 			snd_ctl_get_ioff(kcontrol, &ucontrol->id) * size;
 
-	mutex_lock(&ue->card->user_ctl_lock);
 	memcpy(&ucontrol->value, src, size);
-	mutex_unlock(&ue->card->user_ctl_lock);
 	return 0;
 }
 
@@ -1110,60 +1110,83 @@ static int snd_ctl_elem_user_put(struct snd_kcontrol *kcontrol,
 	char *dst = ue->elem_data +
 			snd_ctl_get_ioff(kcontrol, &ucontrol->id) * size;
 
-	mutex_lock(&ue->card->user_ctl_lock);
 	change = memcmp(&ucontrol->value, dst, size) != 0;
 	if (change)
 		memcpy(dst, &ucontrol->value, size);
-	mutex_unlock(&ue->card->user_ctl_lock);
 	return change;
 }
 
-static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kcontrol,
-				 int op_flag,
-				 unsigned int size,
-				 unsigned int __user *tlv)
+static int replace_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,
+			    unsigned int size)
 {
-	struct user_element *ue = kcontrol->private_data;
-	int change = 0;
-	void *new_data;
+	struct user_element *ue = kctl->private_data;
+	unsigned int *container;
+	struct snd_ctl_elem_id id;
+	unsigned int mask = 0;
+	int i;
+	int change;
 
-	if (op_flag == SNDRV_CTL_TLV_OP_WRITE) {
-		if (size > 1024 * 128)	/* sane value */
-			return -EINVAL;
+	if (size > 1024 * 128)	/* sane value */
+		return -EINVAL;
 
-		new_data = memdup_user(tlv, size);
-		if (IS_ERR(new_data))
-			return PTR_ERR(new_data);
-		mutex_lock(&ue->card->user_ctl_lock);
-		change = ue->tlv_data_size != size;
-		if (!change)
-			change = memcmp(ue->tlv_data, new_data, size) != 0;
-		kfree(ue->tlv_data);
-		ue->tlv_data = new_data;
-		ue->tlv_data_size = size;
-		mutex_unlock(&ue->card->user_ctl_lock);
-	} else {
-		int ret = 0;
+	container = memdup_user(buf, size);
+	if (IS_ERR(container))
+		return PTR_ERR(container);
 
-		mutex_lock(&ue->card->user_ctl_lock);
-		if (!ue->tlv_data_size || !ue->tlv_data) {
-			ret = -ENXIO;
-			goto err_unlock;
-		}
-		if (size < ue->tlv_data_size) {
-			ret = -ENOSPC;
-			goto err_unlock;
-		}
-		if (copy_to_user(tlv, ue->tlv_data, ue->tlv_data_size))
-			ret = -EFAULT;
-err_unlock:
-		mutex_unlock(&ue->card->user_ctl_lock);
-		if (ret)
-			return ret;
+	change = ue->tlv_data_size != size;
+	if (!change)
+		change = memcmp(ue->tlv_data, container, size) != 0;
+	if (!change) {
+		kfree(container);
+		return 0;
 	}
+
+	if (ue->tlv_data == NULL) {
+		/* Now TLV data is available. */
+		for (i = 0; i < kctl->count; ++i)
+			kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+		mask = SNDRV_CTL_EVENT_MASK_INFO;
+	}
+
+	kfree(ue->tlv_data);
+	ue->tlv_data = container;
+	ue->tlv_data_size = size;
+
+	mask |= SNDRV_CTL_EVENT_MASK_TLV;
+	for (i = 0; i < kctl->count; ++i) {
+		snd_ctl_build_ioff(&id, kctl, i);
+		snd_ctl_notify(ue->card, mask, &id);
+	}
+
 	return change;
 }
 
+static int read_user_tlv(struct snd_kcontrol *kctl, unsigned int __user *buf,
+			 unsigned int size)
+{
+	struct user_element *ue = kctl->private_data;
+
+	if (ue->tlv_data_size == 0 || ue->tlv_data == NULL)
+		return -ENXIO;
+
+	if (size < ue->tlv_data_size)
+		return -ENOSPC;
+
+	if (copy_to_user(buf, ue->tlv_data, ue->tlv_data_size))
+		return -EFAULT;
+
+	return 0;
+}
+
+static int snd_ctl_elem_user_tlv(struct snd_kcontrol *kctl, int op_flag,
+				 unsigned int size, unsigned int __user *buf)
+{
+	if (op_flag == SNDRV_CTL_TLV_OP_WRITE)
+		return replace_user_tlv(kctl, buf, size);
+	else
+		return read_user_tlv(kctl, buf, size);
+}
+
 static int snd_ctl_elem_init_enum_names(struct user_element *ue)
 {
 	char *names, *p;
@@ -1267,8 +1290,10 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
 		access = SNDRV_CTL_ELEM_ACCESS_READWRITE;
 	access &= (SNDRV_CTL_ELEM_ACCESS_READWRITE |
 		   SNDRV_CTL_ELEM_ACCESS_INACTIVE |
-		   SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE);
-	if (access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)
+		   SNDRV_CTL_ELEM_ACCESS_TLV_WRITE);
+
+	/* In initial state, nothing is available as TLV container. */
+	if (access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
 		access |= SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
 	access |= SNDRV_CTL_ELEM_ACCESS_USER;
 
@@ -1331,7 +1356,7 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
 		kctl->get = snd_ctl_elem_user_get;
 	if (access & SNDRV_CTL_ELEM_ACCESS_WRITE)
 		kctl->put = snd_ctl_elem_user_put;
-	if (access & SNDRV_CTL_ELEM_ACCESS_TLV_READWRITE)
+	if (access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE)
 		kctl->tlv.c = snd_ctl_elem_user_tlv;
 
 	/* This function manage to free the instance on failure. */
@@ -1405,71 +1430,107 @@ static int snd_ctl_subscribe_events(struct snd_ctl_file *file, int __user *ptr)
 	return 0;
 }
 
+static int call_tlv_handler(struct snd_ctl_file *file, int op_flag,
+			    struct snd_kcontrol *kctl,
+			    struct snd_ctl_elem_id *id,
+			    unsigned int __user *buf, unsigned int size)
+{
+	static const struct {
+		int op;
+		int perm;
+	} pairs[] = {
+		{SNDRV_CTL_TLV_OP_READ,  SNDRV_CTL_ELEM_ACCESS_TLV_READ},
+		{SNDRV_CTL_TLV_OP_WRITE, SNDRV_CTL_ELEM_ACCESS_TLV_WRITE},
+		{SNDRV_CTL_TLV_OP_CMD,   SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND},
+	};
+	struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)];
+	int i;
+
+	/* Check support of the request for this element. */
+	for (i = 0; i < ARRAY_SIZE(pairs); ++i) {
+		if (op_flag == pairs[i].op && (vd->access & pairs[i].perm))
+			break;
+	}
+	if (i == ARRAY_SIZE(pairs))
+		return -ENXIO;
+
+	if (kctl->tlv.c == NULL)
+		return -ENXIO;
+
+	/* When locked, this is unavailable. */
+	if (vd->owner != NULL && vd->owner != file)
+		return -EPERM;
+
+	return kctl->tlv.c(kctl, op_flag, size, buf);
+}
+
+static int read_tlv_buf(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id,
+			unsigned int __user *buf, unsigned int size)
+{
+	struct snd_kcontrol_volatile *vd = &kctl->vd[snd_ctl_get_ioff(kctl, id)];
+	unsigned int len;
+
+	if (!(vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ))
+		return -ENXIO;
+
+	if (kctl->tlv.p == NULL)
+		return -ENXIO;
+
+	len = sizeof(unsigned int) * 2 + kctl->tlv.p[1];
+	if (size < len)
+		return -ENOMEM;
+
+	if (copy_to_user(buf, kctl->tlv.p, len))
+		return -EFAULT;
+
+	return 0;
+}
+
 static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file,
-                             struct snd_ctl_tlv __user *_tlv,
+			     struct snd_ctl_tlv __user *buf,
                              int op_flag)
 {
-	struct snd_card *card = file->card;
-	struct snd_ctl_tlv tlv;
+	struct snd_ctl_tlv header;
+	unsigned int *container;
+	unsigned int container_size;
 	struct snd_kcontrol *kctl;
+	struct snd_ctl_elem_id id;
 	struct snd_kcontrol_volatile *vd;
-	unsigned int len;
-	int err = 0;
 
-	if (copy_from_user(&tlv, _tlv, sizeof(tlv)))
+	if (copy_from_user(&header, buf, sizeof(header)))
 		return -EFAULT;
-	if (tlv.length < sizeof(unsigned int) * 2)
+
+	/* In design of control core, numerical ID starts at 1. */
+	if (header.numid == 0)
 		return -EINVAL;
-	if (!tlv.numid)
+
+	/* At least, container should include type and length fields.  */
+	if (header.length < sizeof(unsigned int) * 2)
 		return -EINVAL;
-	down_read(&card->controls_rwsem);
-	kctl = snd_ctl_find_numid(card, tlv.numid);
-	if (kctl == NULL) {
-		err = -ENOENT;
-		goto __kctl_end;
-	}
-	if (kctl->tlv.p == NULL) {
-		err = -ENXIO;
-		goto __kctl_end;
-	}
-	vd = &kctl->vd[tlv.numid - kctl->id.numid];
-	if ((op_flag == SNDRV_CTL_TLV_OP_READ &&
-	     (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) == 0) ||
-	    (op_flag == SNDRV_CTL_TLV_OP_WRITE &&
-	     (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_WRITE) == 0) ||
-	    (op_flag == SNDRV_CTL_TLV_OP_CMD &&
-	     (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_COMMAND) == 0)) {
-	    	err = -ENXIO;
-	    	goto __kctl_end;
-	}
+	container_size = header.length;
+	container = buf->tlv;
+
+	kctl = snd_ctl_find_numid(file->card, header.numid);
+	if (kctl == NULL)
+		return -ENOENT;
+
+	/* Calculate index of the element in this set. */
+	id = kctl->id;
+	snd_ctl_build_ioff(&id, kctl, header.numid - id.numid);
+	vd = &kctl->vd[snd_ctl_get_ioff(kctl, &id)];
+
 	if (vd->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
-		if (vd->owner != NULL && vd->owner != file) {
-			err = -EPERM;
-			goto __kctl_end;
-		}
-		err = kctl->tlv.c(kctl, op_flag, tlv.length, _tlv->tlv);
-		if (err > 0) {
-			struct snd_ctl_elem_id id = kctl->id;
-			up_read(&card->controls_rwsem);
-			snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_TLV, &id);
-			return 0;
-		}
+		return call_tlv_handler(file, op_flag, kctl, &id, container,
+					container_size);
 	} else {
-		if (op_flag != SNDRV_CTL_TLV_OP_READ) {
-			err = -ENXIO;
-			goto __kctl_end;
+		if (op_flag == SNDRV_CTL_TLV_OP_READ) {
+			return read_tlv_buf(kctl, &id, container,
+					    container_size);
 		}
-		len = kctl->tlv.p[1] + 2 * sizeof(unsigned int);
-		if (tlv.length < len) {
-			err = -ENOMEM;
-			goto __kctl_end;
-		}
-		if (copy_to_user(_tlv->tlv, kctl->tlv.p, len))
-			err = -EFAULT;
 	}
-      __kctl_end:
-	up_read(&card->controls_rwsem);
-	return err;
+
+	/* Not supported. */
+	return -ENXIO;
 }
 
 static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
@@ -1511,11 +1572,20 @@ static long snd_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg
 	case SNDRV_CTL_IOCTL_SUBSCRIBE_EVENTS:
 		return snd_ctl_subscribe_events(ctl, ip);
 	case SNDRV_CTL_IOCTL_TLV_READ:
-		return snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_READ);
+		down_read(&ctl->card->controls_rwsem);
+		err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_READ);
+		up_read(&ctl->card->controls_rwsem);
+		return err;
 	case SNDRV_CTL_IOCTL_TLV_WRITE:
-		return snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_WRITE);
+		down_write(&ctl->card->controls_rwsem);
+		err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_WRITE);
+		up_write(&ctl->card->controls_rwsem);
+		return err;
 	case SNDRV_CTL_IOCTL_TLV_COMMAND:
-		return snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_CMD);
+		down_write(&ctl->card->controls_rwsem);
+		err = snd_ctl_tlv_ioctl(ctl, argp, SNDRV_CTL_TLV_OP_CMD);
+		up_write(&ctl->card->controls_rwsem);
+		return err;
 	case SNDRV_CTL_IOCTL_POWER:
 		return -ENOPROTOOPT;
 	case SNDRV_CTL_IOCTL_POWER_STATE:

sound/core/control_compat.c

@@ -111,12 +111,10 @@ static int snd_ctl_elem_info_compat(struct snd_ctl_file *ctl,
 	if (get_user(data->value.enumerated.item, &data32->value.enumerated.item))
 		goto error;
 
-	snd_power_lock(ctl->card);
 	err = snd_power_wait(ctl->card, SNDRV_CTL_POWER_D0);
-	if (err >= 0)
-		err = snd_ctl_elem_info(ctl, data);
-	snd_power_unlock(ctl->card);
-
+	if (err < 0)
+		goto error;
+	err = snd_ctl_elem_info(ctl, data);
 	if (err < 0)
 		goto error;
 	/* restore info to 32bit */
@@ -315,14 +313,13 @@ static int ctl_elem_read_user(struct snd_card *card,
 	if (err < 0)
 		goto error;
 
-	snd_power_lock(card);
 	err = snd_power_wait(card, SNDRV_CTL_POWER_D0);
-	if (err >= 0)
-		err = snd_ctl_elem_read(card, data);
-	snd_power_unlock(card);
-	if (err >= 0)
-		err = copy_ctl_value_to_user(userdata, valuep, data,
-					     type, count);
+	if (err < 0)
+		goto error;
+	err = snd_ctl_elem_read(card, data);
+	if (err < 0)
+		goto error;
+	err = copy_ctl_value_to_user(userdata, valuep, data, type, count);
  error:
 	kfree(data);
 	return err;
@@ -344,14 +341,13 @@ static int ctl_elem_write_user(struct snd_ctl_file *file,
 	if (err < 0)
 		goto error;
 
-	snd_power_lock(card);
 	err = snd_power_wait(card, SNDRV_CTL_POWER_D0);
-	if (err >= 0)
-		err = snd_ctl_elem_write(card, file, data);
-	snd_power_unlock(card);
-	if (err >= 0)
-		err = copy_ctl_value_to_user(userdata, valuep, data,
-					     type, count);
+	if (err < 0)
+		goto error;
+	err = snd_ctl_elem_write(card, file, data);
+	if (err < 0)
+		goto error;
+	err = copy_ctl_value_to_user(userdata, valuep, data, type, count);
  error:
 	kfree(data);
 	return err;

sound/core/init.c

@@ -248,13 +248,11 @@ int snd_card_new(struct device *parent, int idx, const char *xid,
 	INIT_LIST_HEAD(&card->devices);
 	init_rwsem(&card->controls_rwsem);
 	rwlock_init(&card->ctl_files_rwlock);
-	mutex_init(&card->user_ctl_lock);
 	INIT_LIST_HEAD(&card->controls);
 	INIT_LIST_HEAD(&card->ctl_files);
 	spin_lock_init(&card->files_lock);
 	INIT_LIST_HEAD(&card->files_list);
 #ifdef CONFIG_PM
-	mutex_init(&card->power_lock);
 	init_waitqueue_head(&card->power_sleep);
 #endif
 
@@ -979,8 +977,6 @@ EXPORT_SYMBOL(snd_card_file_remove);
  *  Waits until the power-state is changed.
  *
  *  Return: Zero if successful, or a negative error code.
- *
- *  Note: the power lock must be active before call.
  */
 int snd_power_wait(struct snd_card *card, unsigned int power_state)
 {
@@ -1000,9 +996,7 @@ int snd_power_wait(struct snd_card *card, unsigned int power_state)
 		if (snd_power_get_state(card) == power_state)
 			break;
 		set_current_state(TASK_UNINTERRUPTIBLE);
-		snd_power_unlock(card);
 		schedule_timeout(30 * HZ);
-		snd_power_lock(card);
 	}
 	remove_wait_queue(&card->power_sleep, &wait);
 	return result;

sound/core/pcm.c

@@ -523,7 +523,9 @@ static int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr)
 
 	sprintf(name, "pcm%i%c", pcm->device, 
 		pstr->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c');
-	if ((entry = snd_info_create_card_entry(pcm->card, name, pcm->card->proc_root)) == NULL)
+	entry = snd_info_create_card_entry(pcm->card, name,
+					   pcm->card->proc_root);
+	if (!entry)
 		return -ENOMEM;
 	entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
 	if (snd_info_register(entry) < 0) {
@@ -531,8 +533,8 @@ static int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr)
 		return -ENOMEM;
 	}
 	pstr->proc_root = entry;
-
-	if ((entry = snd_info_create_card_entry(pcm->card, "info", pstr->proc_root)) != NULL) {
+	entry = snd_info_create_card_entry(pcm->card, "info", pstr->proc_root);
+	if (entry) {
 		snd_info_set_text_ops(entry, pstr, snd_pcm_stream_proc_info_read);
 		if (snd_info_register(entry) < 0) {
 			snd_info_free_entry(entry);
@@ -542,8 +544,9 @@ static int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr)
 	pstr->proc_info_entry = entry;
 
 #ifdef CONFIG_SND_PCM_XRUN_DEBUG
-	if ((entry = snd_info_create_card_entry(pcm->card, "xrun_debug",
-						pstr->proc_root)) != NULL) {
+	entry = snd_info_create_card_entry(pcm->card, "xrun_debug",
+					   pstr->proc_root);
+	if (entry) {
 		entry->c.text.read = snd_pcm_xrun_debug_read;
 		entry->c.text.write = snd_pcm_xrun_debug_write;
 		entry->mode |= S_IWUSR;
@@ -580,7 +583,9 @@ static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
 	card = substream->pcm->card;
 
 	sprintf(name, "sub%i", substream->number);
-	if ((entry = snd_info_create_card_entry(card, name, substream->pstr->proc_root)) == NULL)
+	entry = snd_info_create_card_entry(card, name,
+					   substream->pstr->proc_root);
+	if (!entry)
 		return -ENOMEM;
 	entry->mode = S_IFDIR | S_IRUGO | S_IXUGO;
 	if (snd_info_register(entry) < 0) {
@@ -588,8 +593,8 @@ static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
 		return -ENOMEM;
 	}
 	substream->proc_root = entry;
-
-	if ((entry = snd_info_create_card_entry(card, "info", substream->proc_root)) != NULL) {
+	entry = snd_info_create_card_entry(card, "info", substream->proc_root);
+	if (entry) {
 		snd_info_set_text_ops(entry, substream,
 				      snd_pcm_substream_proc_info_read);
 		if (snd_info_register(entry) < 0) {
@@ -598,8 +603,9 @@ static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
 		}
 	}
 	substream->proc_info_entry = entry;
-
-	if ((entry = snd_info_create_card_entry(card, "hw_params", substream->proc_root)) != NULL) {
+	entry = snd_info_create_card_entry(card, "hw_params",
+					   substream->proc_root);
+	if (entry) {
 		snd_info_set_text_ops(entry, substream,
 				      snd_pcm_substream_proc_hw_params_read);
 		if (snd_info_register(entry) < 0) {
@@ -608,8 +614,9 @@ static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
 		}
 	}
 	substream->proc_hw_params_entry = entry;
-
-	if ((entry = snd_info_create_card_entry(card, "sw_params", substream->proc_root)) != NULL) {
+	entry = snd_info_create_card_entry(card, "sw_params",
+					   substream->proc_root);
+	if (entry) {
 		snd_info_set_text_ops(entry, substream,
 				      snd_pcm_substream_proc_sw_params_read);
 		if (snd_info_register(entry) < 0) {
@@ -618,8 +625,9 @@ static int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream)
 		}
 	}
 	substream->proc_sw_params_entry = entry;
-
-	if ((entry = snd_info_create_card_entry(card, "status", substream->proc_root)) != NULL) {
+	entry = snd_info_create_card_entry(card, "status",
+					   substream->proc_root);
+	if (entry) {
 		snd_info_set_text_ops(entry, substream,
 				      snd_pcm_substream_proc_status_read);
 		if (snd_info_register(entry) < 0) {
@@ -783,21 +791,27 @@ static int _snd_pcm_new(struct snd_card *card, const char *id, int device,
 	INIT_LIST_HEAD(&pcm->list);
 	if (id)
 		strlcpy(pcm->id, id, sizeof(pcm->id));
-	if ((err = snd_pcm_new_stream(pcm, SNDRV_PCM_STREAM_PLAYBACK, playback_count)) < 0) {
-		snd_pcm_free(pcm);
-		return err;
-	}
-	if ((err = snd_pcm_new_stream(pcm, SNDRV_PCM_STREAM_CAPTURE, capture_count)) < 0) {
-		snd_pcm_free(pcm);
-		return err;
-	}
-	if ((err = snd_device_new(card, SNDRV_DEV_PCM, pcm, &ops)) < 0) {
-		snd_pcm_free(pcm);
-		return err;
-	}
+
+	err = snd_pcm_new_stream(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+				 playback_count);
+	if (err < 0)
+		goto free_pcm;
+
+	err = snd_pcm_new_stream(pcm, SNDRV_PCM_STREAM_CAPTURE, capture_count);
+	if (err < 0)
+		goto free_pcm;
+
+	err = snd_device_new(card, SNDRV_DEV_PCM, pcm, &ops);
+	if (err < 0)
+		goto free_pcm;
+
 	if (rpcm)
 		*rpcm = pcm;
 	return 0;
+
+free_pcm:
+	snd_pcm_free(pcm);
+	return err;
 }
 
 /**
@@ -1224,7 +1238,8 @@ static void snd_pcm_proc_init(void)
 {
 	struct snd_info_entry *entry;
 
-	if ((entry = snd_info_create_module_entry(THIS_MODULE, "pcm", NULL)) != NULL) {
+	entry = snd_info_create_module_entry(THIS_MODULE, "pcm", NULL);
+	if (entry) {
 		snd_info_set_text_ops(entry, NULL, snd_pcm_proc_read);
 		if (snd_info_register(entry) < 0) {
 			snd_info_free_entry(entry);

sound/core/pcm_compat.c

@@ -689,10 +689,7 @@ static long snd_pcm_ioctl_compat(struct file *file, unsigned int cmd, unsigned l
 	case SNDRV_PCM_IOCTL_XRUN:
 	case SNDRV_PCM_IOCTL_LINK:
 	case SNDRV_PCM_IOCTL_UNLINK:
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			return snd_pcm_playback_ioctl1(file, substream, cmd, argp);
-		else
-			return snd_pcm_capture_ioctl1(file, substream, cmd, argp);
+		return snd_pcm_common_ioctl(file, substream, cmd, argp);
 	case SNDRV_PCM_IOCTL_HW_REFINE32:
 		return snd_pcm_ioctl_hw_params_compat(substream, 1, argp);
 	case SNDRV_PCM_IOCTL_HW_PARAMS32:

sound/core/pcm_native.c

@@ -1830,7 +1830,6 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
 		add_wait_queue(&to_check->sleep, &wait);
 		snd_pcm_stream_unlock_irq(substream);
 		up_read(&snd_pcm_link_rwsem);
-		snd_power_unlock(card);
 		if (runtime->no_period_wakeup)
 			tout = MAX_SCHEDULE_TIMEOUT;
 		else {
@@ -1842,7 +1841,6 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream,
 			tout = msecs_to_jiffies(tout * 1000);
 		}
 		tout = schedule_timeout_interruptible(tout);
-		snd_power_lock(card);
 		down_read(&snd_pcm_link_rwsem);
 		snd_pcm_stream_lock_irq(substream);
 		remove_wait_queue(&to_check->sleep, &wait);
@@ -2763,12 +2761,106 @@ static int snd_pcm_tstamp(struct snd_pcm_substream *substream, int __user *_arg)
 	runtime->tstamp_type = arg;
 	return 0;
 }
-		
+
+static int snd_pcm_xferi_frames_ioctl(struct snd_pcm_substream *substream,
+				      struct snd_xferi __user *_xferi)
+{
+	struct snd_xferi xferi;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	snd_pcm_sframes_t result;
+
+	if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+		return -EBADFD;
+	if (put_user(0, &_xferi->result))
+		return -EFAULT;
+	if (copy_from_user(&xferi, _xferi, sizeof(xferi)))
+		return -EFAULT;
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		result = snd_pcm_lib_write(substream, xferi.buf, xferi.frames);
+	else
+		result = snd_pcm_lib_read(substream, xferi.buf, xferi.frames);
+	__put_user(result, &_xferi->result);
+	return result < 0 ? result : 0;
+}
+
+static int snd_pcm_xfern_frames_ioctl(struct snd_pcm_substream *substream,
+				      struct snd_xfern __user *_xfern)
+{
+	struct snd_xfern xfern;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	void *bufs;
+	snd_pcm_sframes_t result;
+
+	if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
+		return -EBADFD;
+	if (runtime->channels > 128)
+		return -EINVAL;
+	if (put_user(0, &_xfern->result))
+		return -EFAULT;
+	if (copy_from_user(&xfern, _xfern, sizeof(xfern)))
+		return -EFAULT;
+
+	bufs = memdup_user(xfern.bufs, sizeof(void *) * runtime->channels);
+	if (IS_ERR(bufs))
+		return PTR_ERR(bufs);
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		result = snd_pcm_lib_writev(substream, bufs, xfern.frames);
+	else
+		result = snd_pcm_lib_readv(substream, bufs, xfern.frames);
+	kfree(bufs);
+	__put_user(result, &_xfern->result);
+	return result < 0 ? result : 0;
+}
+
+static int snd_pcm_rewind_ioctl(struct snd_pcm_substream *substream,
+				snd_pcm_uframes_t __user *_frames)
+{
+	snd_pcm_uframes_t frames;
+	snd_pcm_sframes_t result;
+
+	if (get_user(frames, _frames))
+		return -EFAULT;
+	if (put_user(0, _frames))
+		return -EFAULT;
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		result = snd_pcm_playback_rewind(substream, frames);
+	else
+		result = snd_pcm_capture_rewind(substream, frames);
+	__put_user(result, _frames);
+	return result < 0 ? result : 0;
+}
+
+static int snd_pcm_forward_ioctl(struct snd_pcm_substream *substream,
+				 snd_pcm_uframes_t __user *_frames)
+{
+	snd_pcm_uframes_t frames;
+	snd_pcm_sframes_t result;
+
+	if (get_user(frames, _frames))
+		return -EFAULT;
+	if (put_user(0, _frames))
+		return -EFAULT;
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		result = snd_pcm_playback_forward(substream, frames);
+	else
+		result = snd_pcm_capture_forward(substream, frames);
+	__put_user(result, _frames);
+	return result < 0 ? result : 0;
+}
+
 static int snd_pcm_common_ioctl(struct file *file,
 				 struct snd_pcm_substream *substream,
 				 unsigned int cmd, void __user *arg)
 {
 	struct snd_pcm_file *pcm_file = file->private_data;
+	int res;
+
+	if (PCM_RUNTIME_CHECK(substream))
+		return -ENXIO;
+
+	res = snd_power_wait(substream->pcm->card, SNDRV_CTL_POWER_D0);
+	if (res < 0)
+		return res;
 
 	switch (cmd) {
 	case SNDRV_PCM_IOCTL_PVERSION:
@@ -2841,202 +2933,23 @@ static int snd_pcm_common_ioctl(struct file *file,
 		return snd_pcm_action_lock_irq(&snd_pcm_action_pause,
 					       substream,
 					       (int)(unsigned long)arg);
-	}
-	pcm_dbg(substream->pcm, "unknown ioctl = 0x%x\n", cmd);
-	return -ENOTTY;
-}
-
-static int snd_pcm_common_ioctl1(struct file *file,
-				 struct snd_pcm_substream *substream,
-				 unsigned int cmd, void __user *arg)
-{
-	struct snd_card *card = substream->pcm->card;
-	int res;
-
-	snd_power_lock(card);
-	res = snd_power_wait(card, SNDRV_CTL_POWER_D0);
-	if (res >= 0)
-		res = snd_pcm_common_ioctl(file, substream, cmd, arg);
-	snd_power_unlock(card);
-	return res;
-}
-
-static int snd_pcm_playback_ioctl1(struct file *file,
-				   struct snd_pcm_substream *substream,
-				   unsigned int cmd, void __user *arg)
-{
-	if (PCM_RUNTIME_CHECK(substream))
-		return -ENXIO;
-	if (snd_BUG_ON(substream->stream != SNDRV_PCM_STREAM_PLAYBACK))
-		return -EINVAL;
-	switch (cmd) {
 	case SNDRV_PCM_IOCTL_WRITEI_FRAMES:
-	{
-		struct snd_xferi xferi;
-		struct snd_xferi __user *_xferi = arg;
-		struct snd_pcm_runtime *runtime = substream->runtime;
-		snd_pcm_sframes_t result;
-		if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
-			return -EBADFD;
-		if (put_user(0, &_xferi->result))
-			return -EFAULT;
-		if (copy_from_user(&xferi, _xferi, sizeof(xferi)))
-			return -EFAULT;
-		result = snd_pcm_lib_write(substream, xferi.buf, xferi.frames);
-		__put_user(result, &_xferi->result);
-		return result < 0 ? result : 0;
-	}
-	case SNDRV_PCM_IOCTL_WRITEN_FRAMES:
-	{
-		struct snd_xfern xfern;
-		struct snd_xfern __user *_xfern = arg;
-		struct snd_pcm_runtime *runtime = substream->runtime;
-		void __user **bufs;
-		snd_pcm_sframes_t result;
-		if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
-			return -EBADFD;
-		if (runtime->channels > 128)
-			return -EINVAL;
-		if (put_user(0, &_xfern->result))
-			return -EFAULT;
-		if (copy_from_user(&xfern, _xfern, sizeof(xfern)))
-			return -EFAULT;
-
-		bufs = memdup_user(xfern.bufs,
-				   sizeof(void *) * runtime->channels);
-		if (IS_ERR(bufs))
-			return PTR_ERR(bufs);
-		result = snd_pcm_lib_writev(substream, bufs, xfern.frames);
-		kfree(bufs);
-		__put_user(result, &_xfern->result);
-		return result < 0 ? result : 0;
-	}
-	case SNDRV_PCM_IOCTL_REWIND:
-	{
-		snd_pcm_uframes_t frames;
-		snd_pcm_uframes_t __user *_frames = arg;
-		snd_pcm_sframes_t result;
-		if (get_user(frames, _frames))
-			return -EFAULT;
-		if (put_user(0, _frames))
-			return -EFAULT;
-		result = snd_pcm_playback_rewind(substream, frames);
-		__put_user(result, _frames);
-		return result < 0 ? result : 0;
-	}
-	case SNDRV_PCM_IOCTL_FORWARD:
-	{
-		snd_pcm_uframes_t frames;
-		snd_pcm_uframes_t __user *_frames = arg;
-		snd_pcm_sframes_t result;
-		if (get_user(frames, _frames))
-			return -EFAULT;
-		if (put_user(0, _frames))
-			return -EFAULT;
-		result = snd_pcm_playback_forward(substream, frames);
-		__put_user(result, _frames);
-		return result < 0 ? result : 0;
-	}
-	}
-	return snd_pcm_common_ioctl1(file, substream, cmd, arg);
-}
-
-static int snd_pcm_capture_ioctl1(struct file *file,
-				  struct snd_pcm_substream *substream,
-				  unsigned int cmd, void __user *arg)
-{
-	if (PCM_RUNTIME_CHECK(substream))
-		return -ENXIO;
-	if (snd_BUG_ON(substream->stream != SNDRV_PCM_STREAM_CAPTURE))
-		return -EINVAL;
-	switch (cmd) {
 	case SNDRV_PCM_IOCTL_READI_FRAMES:
-	{
-		struct snd_xferi xferi;
-		struct snd_xferi __user *_xferi = arg;
-		struct snd_pcm_runtime *runtime = substream->runtime;
-		snd_pcm_sframes_t result;
-		if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
-			return -EBADFD;
-		if (put_user(0, &_xferi->result))
-			return -EFAULT;
-		if (copy_from_user(&xferi, _xferi, sizeof(xferi)))
-			return -EFAULT;
-		result = snd_pcm_lib_read(substream, xferi.buf, xferi.frames);
-		__put_user(result, &_xferi->result);
-		return result < 0 ? result : 0;
-	}
+		return snd_pcm_xferi_frames_ioctl(substream, arg);
+	case SNDRV_PCM_IOCTL_WRITEN_FRAMES:
 	case SNDRV_PCM_IOCTL_READN_FRAMES:
-	{
-		struct snd_xfern xfern;
-		struct snd_xfern __user *_xfern = arg;
-		struct snd_pcm_runtime *runtime = substream->runtime;
-		void *bufs;
-		snd_pcm_sframes_t result;
-		if (runtime->status->state == SNDRV_PCM_STATE_OPEN)
-			return -EBADFD;
-		if (runtime->channels > 128)
-			return -EINVAL;
-		if (put_user(0, &_xfern->result))
-			return -EFAULT;
-		if (copy_from_user(&xfern, _xfern, sizeof(xfern)))
-			return -EFAULT;
-
-		bufs = memdup_user(xfern.bufs,
-				   sizeof(void *) * runtime->channels);
-		if (IS_ERR(bufs))
-			return PTR_ERR(bufs);
-		result = snd_pcm_lib_readv(substream, bufs, xfern.frames);
-		kfree(bufs);
-		__put_user(result, &_xfern->result);
-		return result < 0 ? result : 0;
-	}
+		return snd_pcm_xfern_frames_ioctl(substream, arg);
 	case SNDRV_PCM_IOCTL_REWIND:
-	{
-		snd_pcm_uframes_t frames;
-		snd_pcm_uframes_t __user *_frames = arg;
-		snd_pcm_sframes_t result;
-		if (get_user(frames, _frames))
-			return -EFAULT;
-		if (put_user(0, _frames))
-			return -EFAULT;
-		result = snd_pcm_capture_rewind(substream, frames);
-		__put_user(result, _frames);
-		return result < 0 ? result : 0;
-	}
+		return snd_pcm_rewind_ioctl(substream, arg);
 	case SNDRV_PCM_IOCTL_FORWARD:
-	{
-		snd_pcm_uframes_t frames;
-		snd_pcm_uframes_t __user *_frames = arg;
-		snd_pcm_sframes_t result;
-		if (get_user(frames, _frames))
-			return -EFAULT;
-		if (put_user(0, _frames))
-			return -EFAULT;
-		result = snd_pcm_capture_forward(substream, frames);
-		__put_user(result, _frames);
-		return result < 0 ? result : 0;
+		return snd_pcm_forward_ioctl(substream, arg);
 	}
-	}
-	return snd_pcm_common_ioctl1(file, substream, cmd, arg);
-}
-
-static long snd_pcm_playback_ioctl(struct file *file, unsigned int cmd,
-				   unsigned long arg)
-{
-	struct snd_pcm_file *pcm_file;
-
-	pcm_file = file->private_data;
-
-	if (((cmd >> 8) & 0xff) != 'A')
-		return -ENOTTY;
-
-	return snd_pcm_playback_ioctl1(file, pcm_file->substream, cmd,
-				       (void __user *)arg);
+	pcm_dbg(substream->pcm, "unknown ioctl = 0x%x\n", cmd);
+	return -ENOTTY;
 }
 
-static long snd_pcm_capture_ioctl(struct file *file, unsigned int cmd,
-				  unsigned long arg)
+static long snd_pcm_ioctl(struct file *file, unsigned int cmd,
+			  unsigned long arg)
 {
 	struct snd_pcm_file *pcm_file;
 
@@ -3045,8 +2958,8 @@ static long snd_pcm_capture_ioctl(struct file *file, unsigned int cmd,
 	if (((cmd >> 8) & 0xff) != 'A')
 		return -ENOTTY;
 
-	return snd_pcm_capture_ioctl1(file, pcm_file->substream, cmd,
-				      (void __user *)arg);
+	return snd_pcm_common_ioctl(file, pcm_file->substream, cmd,
+				     (void __user *)arg);
 }
 
 /**
@@ -3064,7 +2977,6 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
 {
 	snd_pcm_uframes_t *frames = arg;
 	snd_pcm_sframes_t result;
-	int err;
 	
 	switch (cmd) {
 	case SNDRV_PCM_IOCTL_FORWARD:
@@ -3084,10 +2996,7 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream,
 	case SNDRV_PCM_IOCTL_START:
 		return snd_pcm_start_lock_irq(substream);
 	case SNDRV_PCM_IOCTL_DRAIN:
-		snd_power_lock(substream->pcm->card);
-		err = snd_pcm_drain(substream, NULL);
-		snd_power_unlock(substream->pcm->card);
-		return err;
+		return snd_pcm_drain(substream, NULL);
 	case SNDRV_PCM_IOCTL_DROP:
 		return snd_pcm_drop(substream);
 	case SNDRV_PCM_IOCTL_DELAY:
@@ -3791,7 +3700,7 @@ const struct file_operations snd_pcm_f_ops[2] = {
 		.release =		snd_pcm_release,
 		.llseek =		no_llseek,
 		.poll =			snd_pcm_playback_poll,
-		.unlocked_ioctl =	snd_pcm_playback_ioctl,
+		.unlocked_ioctl =	snd_pcm_ioctl,
 		.compat_ioctl = 	snd_pcm_ioctl_compat,
 		.mmap =			snd_pcm_mmap,
 		.fasync =		snd_pcm_fasync,
@@ -3805,7 +3714,7 @@ const struct file_operations snd_pcm_f_ops[2] = {
 		.release =		snd_pcm_release,
 		.llseek =		no_llseek,
 		.poll =			snd_pcm_capture_poll,
-		.unlocked_ioctl =	snd_pcm_capture_ioctl,
+		.unlocked_ioctl =	snd_pcm_ioctl,
 		.compat_ioctl = 	snd_pcm_ioctl_compat,
 		.mmap =			snd_pcm_mmap,
 		.fasync =		snd_pcm_fasync,

sound/core/timer.c

@@ -393,7 +393,8 @@ unsigned long snd_timer_resolution(struct snd_timer_instance *timeri)
 
 	if (timeri == NULL)
 		return 0;
-	if ((timer = timeri->timer) != NULL) {
+	timer = timeri->timer;
+	if (timer) {
 		if (timer->hw.c_resolution)
 			return timer->hw.c_resolution(timer);
 		return timer->hw.resolution;
@@ -2096,8 +2097,7 @@ static int __init alsa_timer_init(void)
 	err = snd_timer_register_system();
 	if (err < 0) {
 		pr_err("ALSA: unable to register system timer (%i)\n", err);
-		put_device(&timer_dev);
-		return err;
+		goto put_timer;
 	}
 
 	err = snd_register_device(SNDRV_DEVICE_TYPE_TIMER, NULL, 0,
@@ -2105,12 +2105,15 @@ static int __init alsa_timer_init(void)
 	if (err < 0) {
 		pr_err("ALSA: unable to register timer device (%i)\n", err);
 		snd_timer_free_all();
-		put_device(&timer_dev);
-		return err;
+		goto put_timer;
 	}
 
 	snd_timer_proc_init();
 	return 0;
+
+put_timer:
+	put_device(&timer_dev);
+	return err;
 }
 
 static void __exit alsa_timer_exit(void)

sound/drivers/aloop.c

@@ -561,7 +561,7 @@ static snd_pcm_uframes_t loopback_pointer(struct snd_pcm_substream *substream)
 	return bytes_to_frames(runtime, pos);
 }
 
-static struct snd_pcm_hardware loopback_pcm_hardware =
+static const struct snd_pcm_hardware loopback_pcm_hardware =
 {
 	.info =		(SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP |
 			 SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_PAUSE |
@@ -750,7 +750,7 @@ static int loopback_close(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static struct snd_pcm_ops loopback_playback_ops = {
+static const struct snd_pcm_ops loopback_playback_ops = {
 	.open =		loopback_open,
 	.close =	loopback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -763,7 +763,7 @@ static struct snd_pcm_ops loopback_playback_ops = {
 	.mmap =		snd_pcm_lib_mmap_vmalloc,
 };
 
-static struct snd_pcm_ops loopback_capture_ops = {
+static const struct snd_pcm_ops loopback_capture_ops = {
 	.open =		loopback_open,
 	.close =	loopback_close,
 	.ioctl =	snd_pcm_lib_ioctl,

sound/drivers/dummy.c

@@ -520,7 +520,7 @@ static snd_pcm_uframes_t dummy_pcm_pointer(struct snd_pcm_substream *substream)
 	return get_dummy_ops(substream)->pointer(substream);
 }
 
-static struct snd_pcm_hardware dummy_pcm_hardware = {
+static const struct snd_pcm_hardware dummy_pcm_hardware = {
 	.info =			(SNDRV_PCM_INFO_MMAP |
 				 SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_RESUME |

sound/drivers/ml403-ac97cr.c

@@ -373,7 +373,7 @@ struct snd_ml403_ac97cr {
 	struct snd_pcm_indirect2 capture_ind2_rec;
 };
 
-static struct snd_pcm_hardware snd_ml403_ac97cr_playback = {
+static const struct snd_pcm_hardware snd_ml403_ac97cr_playback = {
 	.info =	            (SNDRV_PCM_INFO_MMAP |
 			     SNDRV_PCM_INFO_INTERLEAVED |
 			     SNDRV_PCM_INFO_MMAP_VALID),
@@ -392,7 +392,7 @@ static struct snd_pcm_hardware snd_ml403_ac97cr_playback = {
 	.fifo_size =	    0,
 };
 
-static struct snd_pcm_hardware snd_ml403_ac97cr_capture = {
+static const struct snd_pcm_hardware snd_ml403_ac97cr_capture = {
 	.info =	            (SNDRV_PCM_INFO_MMAP |
 			     SNDRV_PCM_INFO_INTERLEAVED |
 			     SNDRV_PCM_INFO_MMAP_VALID),
@@ -759,7 +759,7 @@ static int snd_ml403_ac97cr_capture_close(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = {
+static const struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = {
 	.open = snd_ml403_ac97cr_playback_open,
 	.close = snd_ml403_ac97cr_playback_close,
 	.ioctl = snd_pcm_lib_ioctl,
@@ -770,7 +770,7 @@ static struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = {
 	.pointer = snd_ml403_ac97cr_pcm_pointer,
 };
 
-static struct snd_pcm_ops snd_ml403_ac97cr_capture_ops = {
+static const struct snd_pcm_ops snd_ml403_ac97cr_capture_ops = {
 	.open = snd_ml403_ac97cr_capture_open,
 	.close = snd_ml403_ac97cr_capture_close,
 	.ioctl = snd_pcm_lib_ioctl,

sound/drivers/mpu401/mpu401.c

@@ -148,7 +148,7 @@ static struct platform_driver snd_mpu401_driver = {
 
 #define IO_EXTENT 2
 
-static struct pnp_device_id snd_mpu401_pnpids[] = {
+static const struct pnp_device_id snd_mpu401_pnpids[] = {
 	{ .id = "PNPb006" },
 	{ .id = "" }
 };

sound/drivers/mpu401/mpu401_uart.c

@@ -136,7 +136,7 @@ irqreturn_t snd_mpu401_uart_interrupt(int irq, void *dev_id)
 {
 	struct snd_mpu401 *mpu = dev_id;
 	
-	if (mpu == NULL)
+	if (!mpu)
 		return IRQ_NONE;
 	_snd_mpu401_uart_interrupt(mpu);
 	return IRQ_HANDLED;
@@ -157,7 +157,7 @@ irqreturn_t snd_mpu401_uart_interrupt_tx(int irq, void *dev_id)
 {
 	struct snd_mpu401 *mpu = dev_id;
 	
-	if (mpu == NULL)
+	if (!mpu)
 		return IRQ_NONE;
 	uart_interrupt_tx(mpu);
 	return IRQ_HANDLED;
@@ -544,10 +544,9 @@ int snd_mpu401_uart_new(struct snd_card *card, int device,
 				   out_enable, in_enable, &rmidi)) < 0)
 		return err;
 	mpu = kzalloc(sizeof(*mpu), GFP_KERNEL);
-	if (mpu == NULL) {
-		snd_printk(KERN_ERR "mpu401_uart: cannot allocate\n");
-		snd_device_free(card, rmidi);
-		return -ENOMEM;
+	if (!mpu) {
+		err = -ENOMEM;
+		goto free_device;
 	}
 	rmidi->private_data = mpu;
 	rmidi->private_free = snd_mpu401_uart_free;
@@ -559,12 +558,12 @@ int snd_mpu401_uart_new(struct snd_card *card, int device,
 	if (! (info_flags & MPU401_INFO_INTEGRATED)) {
 		int res_size = hardware == MPU401_HW_PC98II ? 4 : 2;
 		mpu->res = request_region(port, res_size, "MPU401 UART");
-		if (mpu->res == NULL) {
+		if (!mpu->res) {
 			snd_printk(KERN_ERR "mpu401_uart: "
 				   "unable to grab port 0x%lx size %d\n",
 				   port, res_size);
-			snd_device_free(card, rmidi);
-			return -EBUSY;
+			err = -EBUSY;
+			goto free_device;
 		}
 	}
 	if (info_flags & MPU401_INFO_MMIO) {
@@ -584,8 +583,8 @@ int snd_mpu401_uart_new(struct snd_card *card, int device,
 				"MPU401 UART", (void *) mpu)) {
 			snd_printk(KERN_ERR "mpu401_uart: "
 				   "unable to grab IRQ %d\n", irq);
-			snd_device_free(card, rmidi);
-			return -EBUSY;
+			err = -EBUSY;
+			goto free_device;
 		}
 	}
 	if (irq < 0 && !(info_flags & MPU401_INFO_IRQ_HOOK))
@@ -613,6 +612,9 @@ int snd_mpu401_uart_new(struct snd_card *card, int device,
 	if (rrawmidi)
 		*rrawmidi = rmidi;
 	return 0;
+free_device:
+	snd_device_free(card, rmidi);
+	return err;
 }
 
 EXPORT_SYMBOL(snd_mpu401_uart_new);

sound/drivers/opl3/opl3_lib.c

@@ -355,10 +355,8 @@ int snd_opl3_new(struct snd_card *card,
 
 	*ropl3 = NULL;
 	opl3 = kzalloc(sizeof(*opl3), GFP_KERNEL);
-	if (opl3 == NULL) {
-		snd_printk(KERN_ERR "opl3: cannot allocate\n");
+	if (!opl3)
 		return -ENOMEM;
-	}
 
 	opl3->card = card;
 	opl3->hardware = hardware;

sound/drivers/opl3/opl3_midi.c

@@ -131,8 +131,8 @@ static void debug_alloc(struct snd_opl3 *opl3, char *s, int voice) {
 
 	printk(KERN_DEBUG "time %.5i: %s [%.2i]: ", opl3->use_time, s, voice);
 	for (i = 0; i < opl3->max_voices; i++)
-		printk("%c", *(str + opl3->voices[i].state + 1));
-	printk("\n");
+		printk(KERN_CONT "%c", *(str + opl3->voices[i].state + 1));
+	printk(KERN_CONT "\n");
 }
 #endif
 

sound/drivers/pcsp/pcsp.c

@@ -108,22 +108,17 @@ static int snd_card_pcsp_probe(int devnum, struct device *dev)
 		return err;
 
 	err = snd_pcsp_create(card);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto free_card;
+
 	if (!nopcm) {
 		err = snd_pcsp_new_pcm(&pcsp_chip);
-		if (err < 0) {
-			snd_card_free(card);
-			return err;
-		}
+		if (err < 0)
+			goto free_card;
 	}
 	err = snd_pcsp_new_mixer(&pcsp_chip, nopcm);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto free_card;
 
 	strcpy(card->driver, "PC-Speaker");
 	strcpy(card->shortname, "pcsp");
@@ -131,12 +126,14 @@ static int snd_card_pcsp_probe(int devnum, struct device *dev)
 		pcsp_chip.port);
 
 	err = snd_card_register(card);
-	if (err < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	if (err < 0)
+		goto free_card;
 
 	return 0;
+
+free_card:
+	snd_card_free(card);
+	return err;
 }
 
 static int alsa_card_pcsp_init(struct device *dev)

sound/drivers/pcsp/pcsp_lib.c

@@ -285,7 +285,7 @@ static snd_pcm_uframes_t snd_pcsp_playback_pointer(struct snd_pcm_substream
 	return bytes_to_frames(substream->runtime, pos);
 }
 
-static struct snd_pcm_hardware snd_pcsp_playback = {
+static const struct snd_pcm_hardware snd_pcsp_playback = {
 	.info = (SNDRV_PCM_INFO_INTERLEAVED |
 		 SNDRV_PCM_INFO_HALF_DUPLEX |
 		 SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID),

sound/drivers/vx/vx_core.c

@@ -256,8 +256,8 @@ int vx_send_msg_nolock(struct vx_core *chip, struct vx_rmh *rmh)
 	if (rmh->LgCmd > 1) {
 		printk(KERN_DEBUG "  ");
 		for (i = 1; i < rmh->LgCmd; i++)
-			printk("0x%06x ", rmh->Cmd[i]);
-		printk("\n");
+			printk(KERN_CONT "0x%06x ", rmh->Cmd[i]);
+		printk(KERN_CONT "\n");
 	}
 #endif
 	/* Check bit M is set according to length of the command */

sound/drivers/vx/vx_pcm.c

@@ -500,7 +500,7 @@ static int vx_stop_stream(struct vx_core *chip, struct vx_pipe *pipe)
  * playback hw information
  */
 
-static struct snd_pcm_hardware vx_pcm_playback_hw = {
+static const struct snd_pcm_hardware vx_pcm_playback_hw = {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID /*|*/
 				 /*SNDRV_PCM_INFO_RESUME*/),
@@ -891,7 +891,7 @@ static const struct snd_pcm_ops vx_pcm_playback_ops = {
  * playback hw information
  */
 
-static struct snd_pcm_hardware vx_pcm_capture_hw = {
+static const struct snd_pcm_hardware vx_pcm_capture_hw = {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_MMAP_VALID /*|*/
 				 /*SNDRV_PCM_INFO_RESUME*/),

sound/firewire/bebob/bebob.h

@@ -58,7 +58,7 @@ enum snd_bebob_clock_type {
 struct snd_bebob_clock_spec {
 	unsigned int num;
 	const char *const *labels;
-	enum snd_bebob_clock_type *types;
+	const enum snd_bebob_clock_type *types;
 	int (*get)(struct snd_bebob *bebob, unsigned int *id);
 };
 struct snd_bebob_rate_spec {

sound/firewire/bebob/bebob_focusrite.c

@@ -103,12 +103,12 @@ saffire_write_quad(struct snd_bebob *bebob, u64 offset, u32 value)
 				  &data, sizeof(__be32), 0);
 }
 
-static enum snd_bebob_clock_type saffirepro_10_clk_src_types[] = {
+static const enum snd_bebob_clock_type saffirepro_10_clk_src_types[] = {
 	SND_BEBOB_CLOCK_TYPE_INTERNAL,
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* Word Clock */
 };
-static enum snd_bebob_clock_type saffirepro_26_clk_src_types[] = {
+static const enum snd_bebob_clock_type saffirepro_26_clk_src_types[] = {
 	SND_BEBOB_CLOCK_TYPE_INTERNAL,
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* ADAT1 */
@@ -201,7 +201,7 @@ end:
 }
 
 const struct snd_bebob_spec saffire_le_spec;
-static enum snd_bebob_clock_type saffire_both_clk_src_types[] = {
+static const enum snd_bebob_clock_type saffire_both_clk_src_types[] = {
 	SND_BEBOB_CLOCK_TYPE_INTERNAL,
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,
 };

sound/firewire/bebob/bebob_maudio.c

@@ -340,7 +340,7 @@ end:
 }
 
 /* Clock source control for special firmware */
-static enum snd_bebob_clock_type special_clk_types[] = {
+static const enum snd_bebob_clock_type special_clk_types[] = {
 	SND_BEBOB_CLOCK_TYPE_INTERNAL,	/* With digital mute */
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* SPDIF/ADAT */
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* Word Clock */

sound/firewire/bebob/bebob_terratec.c

@@ -8,7 +8,7 @@
 
 #include "./bebob.h"
 
-static enum snd_bebob_clock_type phase88_rack_clk_src_types[] = {
+static const enum snd_bebob_clock_type phase88_rack_clk_src_types[] = {
 	SND_BEBOB_CLOCK_TYPE_INTERNAL,
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* Word Clock */

sound/firewire/bebob/bebob_yamaha_terratec.c

@@ -31,7 +31,7 @@
  * Yamaha GO 44 and GO 46. Yamaha and Terratec had cooperated for these models.
  */
 
-static enum snd_bebob_clock_type clk_src_types[] = {
+static const enum snd_bebob_clock_type clk_src_types[] = {
 	SND_BEBOB_CLOCK_TYPE_INTERNAL,
 	SND_BEBOB_CLOCK_TYPE_EXTERNAL,	/* S/PDIF */
 };

sound/firewire/dice/dice.c

@@ -26,7 +26,7 @@ MODULE_LICENSE("GPL v2");
  */
 static bool force_two_pcm_support(struct fw_unit *unit)
 {
-	const char *const models[] = {
+	static const char *const models[] = {
 		/* TC Electronic models. */
 		"StudioKonnekt48",
 		/* Focusrite models. */

sound/firewire/fireface/ff-pcm.c

@@ -138,16 +138,12 @@ static int pcm_open(struct snd_pcm_substream *substream)
 		return err;
 
 	err = pcm_init_hw_params(ff, substream);
-	if (err < 0) {
-		snd_ff_stream_lock_release(ff);
-		return err;
-	}
+	if (err < 0)
+		goto release_lock;
 
 	err = ff->spec->protocol->get_clock(ff, &rate, &src);
-	if (err < 0) {
-		snd_ff_stream_lock_release(ff);
-		return err;
-	}
+	if (err < 0)
+		goto release_lock;
 
 	if (src != SND_FF_CLOCK_SRC_INTERNAL) {
 		for (i = 0; i < CIP_SFC_COUNT; ++i) {
@@ -159,8 +155,8 @@ static int pcm_open(struct snd_pcm_substream *substream)
 		 * streaming engine can't support.
 		 */
 		if (i >= CIP_SFC_COUNT) {
-			snd_ff_stream_lock_release(ff);
-			return -EIO;
+			err = -EIO;
+			goto release_lock;
 		}
 
 		substream->runtime->hw.rate_min = rate;
@@ -177,6 +173,10 @@ static int pcm_open(struct snd_pcm_substream *substream)
 	snd_pcm_set_sync(substream);
 
 	return 0;
+
+release_lock:
+	snd_ff_stream_lock_release(ff);
+	return err;
 }
 
 static int pcm_close(struct snd_pcm_substream *substream)

sound/firewire/fireface/ff-protocol-ff400.c

@@ -356,7 +356,7 @@ static void ff400_dump_clock_config(struct snd_ff *ff,
 	snd_iprintf(buffer, "Sync to clock source: %s\n", src);
 }
 
-struct snd_ff_protocol snd_ff_protocol_ff400 = {
+const struct snd_ff_protocol snd_ff_protocol_ff400 = {
 	.get_clock		= ff400_get_clock,
 	.begin_session		= ff400_begin_session,
 	.finish_session		= ff400_finish_session,

sound/firewire/fireface/ff.c

@@ -157,7 +157,7 @@ static void snd_ff_remove(struct fw_unit *unit)
 	}
 }
 
-static struct snd_ff_spec spec_ff400 = {
+static const struct snd_ff_spec spec_ff400 = {
 	.name = "Fireface400",
 	.pcm_capture_channels = {18, 14, 10},
 	.pcm_playback_channels = {18, 14, 10},

sound/firewire/fireface/ff.h

@@ -47,7 +47,7 @@ struct snd_ff_spec {
 	unsigned int midi_in_ports;
 	unsigned int midi_out_ports;
 
-	struct snd_ff_protocol *protocol;
+	const struct snd_ff_protocol *protocol;
 };
 
 struct snd_ff {
@@ -112,7 +112,7 @@ struct snd_ff_protocol {
 	u64 midi_rx_port_1_reg;
 };
 
-extern struct snd_ff_protocol snd_ff_protocol_ff400;
+extern const struct snd_ff_protocol snd_ff_protocol_ff400;
 
 int snd_ff_transaction_register(struct snd_ff *ff);
 int snd_ff_transaction_reregister(struct snd_ff *ff);

sound/firewire/fireworks/fireworks_proc.c

@@ -12,7 +12,7 @@
 static inline const char*
 get_phys_name(struct snd_efw_phys_grp *grp, bool input)
 {
-	const char *const ch_type[] = {
+	static const char *const ch_type[] = {
 		"Analog", "S/PDIF", "ADAT", "S/PDIF or ADAT", "Mirroring",
 		"Headphones", "I2S", "Guitar", "Pirzo Guitar", "Guitar String",
 	};

sound/firewire/isight.c

@@ -444,7 +444,7 @@ static snd_pcm_uframes_t isight_pointer(struct snd_pcm_substream *substream)
 
 static int isight_create_pcm(struct isight *isight)
 {
-	static struct snd_pcm_ops ops = {
+	static const struct snd_pcm_ops ops = {
 		.open      = isight_open,
 		.close     = isight_close,
 		.ioctl     = snd_pcm_lib_ioctl,

sound/firewire/motu/motu-midi.c

@@ -128,12 +128,12 @@ static void set_midi_substream_names(struct snd_motu *motu,
 
 int snd_motu_create_midi_devices(struct snd_motu *motu)
 {
-	static struct snd_rawmidi_ops capture_ops = {
+	static const struct snd_rawmidi_ops capture_ops = {
 		.open		= midi_capture_open,
 		.close		= midi_capture_close,
 		.trigger	= midi_capture_trigger,
 	};
-	static struct snd_rawmidi_ops playback_ops = {
+	static const struct snd_rawmidi_ops playback_ops = {
 		.open		= midi_playback_open,
 		.close		= midi_playback_close,
 		.trigger	= midi_playback_trigger,

sound/firewire/motu/motu-pcm.c

@@ -145,7 +145,7 @@ static int pcm_open(struct snd_pcm_substream *substream)
 
 	mutex_lock(&motu->mutex);
 
-	err = protocol->cache_packet_formats(motu);
+	err = snd_motu_stream_cache_packet_formats(motu);
 	if (err < 0)
 		goto err_locked;
 
@@ -352,7 +352,7 @@ static int playback_ack(struct snd_pcm_substream *substream)
 
 int snd_motu_create_pcm_devices(struct snd_motu *motu)
 {
-	static struct snd_pcm_ops capture_ops = {
+	static const struct snd_pcm_ops capture_ops = {
 		.open      = pcm_open,
 		.close     = pcm_close,
 		.ioctl     = snd_pcm_lib_ioctl,
@@ -365,7 +365,7 @@ int snd_motu_create_pcm_devices(struct snd_motu *motu)
 		.page      = snd_pcm_lib_get_vmalloc_page,
 		.mmap      = snd_pcm_lib_mmap_vmalloc,
 	};
-	static struct snd_pcm_ops playback_ops = {
+	static const struct snd_pcm_ops playback_ops = {
 		.open      = pcm_open,
 		.close     = pcm_close,
 		.ioctl     = snd_pcm_lib_ioctl,

sound/firewire/motu/motu-protocol-v2.c

@@ -217,12 +217,7 @@ static int v2_cache_packet_formats(struct snd_motu *motu)
 	calculate_differed_part(&motu->rx_packet_formats, motu->spec->flags,
 			data, V2_OPT_OUT_IFACE_MASK, V2_OPT_OUT_IFACE_SHIFT);
 
-	motu->tx_packet_formats.midi_flag_offset = 4;
-	motu->tx_packet_formats.midi_byte_offset = 6;
 	motu->tx_packet_formats.pcm_byte_offset = 10;
-
-	motu->rx_packet_formats.midi_flag_offset = 4;
-	motu->rx_packet_formats.midi_byte_offset = 6;
 	motu->rx_packet_formats.pcm_byte_offset = 10;
 
 	return 0;

sound/firewire/motu/motu-protocol-v3.c

@@ -291,12 +291,7 @@ static int v3_cache_packet_formats(struct snd_motu *motu)
 			V3_ENABLE_OPT_OUT_IFACE_A, V3_NO_ADAT_OPT_OUT_IFACE_A,
 			V3_ENABLE_OPT_OUT_IFACE_B, V3_NO_ADAT_OPT_OUT_IFACE_B);
 
-	motu->tx_packet_formats.midi_flag_offset = 8;
-	motu->tx_packet_formats.midi_byte_offset = 7;
 	motu->tx_packet_formats.pcm_byte_offset = 10;
-
-	motu->rx_packet_formats.midi_flag_offset = 8;
-	motu->rx_packet_formats.midi_byte_offset = 7;
 	motu->rx_packet_formats.pcm_byte_offset = 10;
 
 	return 0;

sound/firewire/motu/motu-stream.c

@@ -33,7 +33,8 @@ static int start_both_streams(struct snd_motu *motu, unsigned int rate)
 	u32 data;
 	int err;
 
-	if (motu->spec->flags & SND_MOTU_SPEC_HAS_MIDI)
+	if ((motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_2ND_Q) ||
+	    (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_3RD_Q))
 		midi_ports = 1;
 
 	/* Set packet formation to our packet streaming engine. */
@@ -42,6 +43,12 @@ static int start_both_streams(struct snd_motu *motu, unsigned int rate)
 	if (err < 0)
 		return err;
 
+	if ((motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_2ND_Q) ||
+	    (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_3RD_Q))
+		midi_ports = 1;
+	else
+		midi_ports = 0;
+
 	err = amdtp_motu_set_parameters(&motu->tx_stream, rate, midi_ports,
 					&motu->tx_packet_formats);
 	if (err < 0)
@@ -141,6 +148,33 @@ static void stop_isoc_ctx(struct snd_motu *motu, struct amdtp_stream *stream)
 	fw_iso_resources_free(resources);
 }
 
+int snd_motu_stream_cache_packet_formats(struct snd_motu *motu)
+{
+	int err;
+
+	err = motu->spec->protocol->cache_packet_formats(motu);
+	if (err < 0)
+		return err;
+
+	if (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_2ND_Q) {
+		motu->tx_packet_formats.midi_flag_offset = 4;
+		motu->tx_packet_formats.midi_byte_offset = 6;
+	} else if (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_3RD_Q) {
+		motu->tx_packet_formats.midi_flag_offset = 8;
+		motu->tx_packet_formats.midi_byte_offset = 7;
+	}
+
+	if (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_2ND_Q) {
+		motu->rx_packet_formats.midi_flag_offset = 4;
+		motu->rx_packet_formats.midi_byte_offset = 6;
+	} else if (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_3RD_Q) {
+		motu->rx_packet_formats.midi_flag_offset = 8;
+		motu->rx_packet_formats.midi_byte_offset = 7;
+	}
+
+	return 0;
+}
+
 static int ensure_packet_formats(struct snd_motu *motu)
 {
 	__be32 reg;
@@ -184,7 +218,7 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu, unsigned int rate)
 		stop_both_streams(motu);
 	}
 
-	err = protocol->cache_packet_formats(motu);
+	err = snd_motu_stream_cache_packet_formats(motu);
 	if (err < 0)
 		return err;
 

sound/firewire/motu/motu.c

@@ -103,7 +103,10 @@ static void do_registration(struct work_struct *work)
 	if (err < 0)
 		goto error;
 
-	if (motu->spec->flags & SND_MOTU_SPEC_HAS_MIDI) {
+	if ((motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_2ND_Q) ||
+	    (motu->spec->flags & SND_MOTU_SPEC_RX_MIDI_3RD_Q) ||
+	    (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_2ND_Q) ||
+	    (motu->spec->flags & SND_MOTU_SPEC_TX_MIDI_3RD_Q)) {
 		err = snd_motu_create_midi_devices(motu);
 		if (err < 0)
 			goto error;
@@ -191,20 +194,21 @@ static void motu_bus_update(struct fw_unit *unit)
 	snd_motu_transaction_reregister(motu);
 }
 
-static struct snd_motu_spec motu_828mk2 = {
+static const struct snd_motu_spec motu_828mk2 = {
 	.name = "828mk2",
 	.protocol = &snd_motu_protocol_v2,
 	.flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
 		 SND_MOTU_SPEC_TX_MICINST_CHUNK |
 		 SND_MOTU_SPEC_TX_RETURN_CHUNK |
 		 SND_MOTU_SPEC_HAS_OPT_IFACE_A |
-		 SND_MOTU_SPEC_HAS_MIDI,
+		 SND_MOTU_SPEC_RX_MIDI_2ND_Q |
+		 SND_MOTU_SPEC_TX_MIDI_2ND_Q,
 
 	.analog_in_ports = 8,
 	.analog_out_ports = 8,
 };
 
-static struct snd_motu_spec motu_828mk3 = {
+static const struct snd_motu_spec motu_828mk3 = {
 	.name = "828mk3",
 	.protocol = &snd_motu_protocol_v3,
 	.flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
@@ -214,12 +218,25 @@ static struct snd_motu_spec motu_828mk3 = {
 		 SND_MOTU_SPEC_TX_REVERB_CHUNK |
 		 SND_MOTU_SPEC_HAS_OPT_IFACE_A |
 		 SND_MOTU_SPEC_HAS_OPT_IFACE_B |
-		 SND_MOTU_SPEC_HAS_MIDI,
+		 SND_MOTU_SPEC_RX_MIDI_3RD_Q |
+		 SND_MOTU_SPEC_TX_MIDI_3RD_Q,
 
 	.analog_in_ports = 8,
 	.analog_out_ports = 8,
 };
 
+static const struct snd_motu_spec motu_audio_express = {
+	.name = "AudioExpress",
+	.protocol = &snd_motu_protocol_v3,
+	.flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
+		 SND_MOTU_SPEC_TX_MICINST_CHUNK |
+		 SND_MOTU_SPEC_TX_RETURN_CHUNK |
+		 SND_MOTU_SPEC_RX_MIDI_2ND_Q |
+		 SND_MOTU_SPEC_TX_MIDI_3RD_Q,
+	.analog_in_ports = 2,
+	.analog_out_ports = 4,
+};
+
 #define SND_MOTU_DEV_ENTRY(model, data)			\
 {							\
 	.match_flags	= IEEE1394_MATCH_VENDOR_ID |	\
@@ -235,6 +252,7 @@ static const struct ieee1394_device_id motu_id_table[] = {
 	SND_MOTU_DEV_ENTRY(0x101800, &motu_828mk2),
 	SND_MOTU_DEV_ENTRY(0x106800, &motu_828mk3),	/* FireWire only. */
 	SND_MOTU_DEV_ENTRY(0x100800, &motu_828mk3),	/* Hybrid. */
+	SND_MOTU_DEV_ENTRY(0x104800, &motu_audio_express),
 	{ }
 };
 MODULE_DEVICE_TABLE(ieee1394, motu_id_table);

sound/firewire/motu/motu.h

@@ -82,7 +82,10 @@ enum snd_motu_spec_flags {
 	SND_MOTU_SPEC_TX_AESEBU_CHUNK	= 0x0020,
 	SND_MOTU_SPEC_HAS_OPT_IFACE_A	= 0x0040,
 	SND_MOTU_SPEC_HAS_OPT_IFACE_B	= 0x0080,
-	SND_MOTU_SPEC_HAS_MIDI		= 0x0100,
+	SND_MOTU_SPEC_RX_MIDI_2ND_Q	= 0x0100,
+	SND_MOTU_SPEC_RX_MIDI_3RD_Q	= 0x0200,
+	SND_MOTU_SPEC_TX_MIDI_2ND_Q	= 0x0400,
+	SND_MOTU_SPEC_TX_MIDI_3RD_Q	= 0x0800,
 };
 
 #define SND_MOTU_CLOCK_RATE_COUNT	6
@@ -146,6 +149,7 @@ void snd_motu_transaction_unregister(struct snd_motu *motu);
 
 int snd_motu_stream_init_duplex(struct snd_motu *motu);
 void snd_motu_stream_destroy_duplex(struct snd_motu *motu);
+int snd_motu_stream_cache_packet_formats(struct snd_motu *motu);
 int snd_motu_stream_start_duplex(struct snd_motu *motu, unsigned int rate);
 void snd_motu_stream_stop_duplex(struct snd_motu *motu);
 int snd_motu_stream_lock_try(struct snd_motu *motu);

sound/firewire/oxfw/oxfw-scs1x.c

@@ -297,12 +297,6 @@ static void midi_capture_trigger(struct snd_rawmidi_substream *stream, int up)
 	}
 }
 
-static const struct snd_rawmidi_ops midi_capture_ops = {
-	.open    = midi_capture_open,
-	.close   = midi_capture_close,
-	.trigger = midi_capture_trigger,
-};
-
 static int midi_playback_open(struct snd_rawmidi_substream *stream)
 {
 	return 0;
@@ -363,6 +357,11 @@ void snd_oxfw_scs1x_update(struct snd_oxfw *oxfw)
 
 int snd_oxfw_scs1x_add(struct snd_oxfw *oxfw)
 {
+	static const struct snd_rawmidi_ops midi_capture_ops = {
+		.open    = midi_capture_open,
+		.close   = midi_capture_close,
+		.trigger = midi_capture_trigger,
+	};
 	static const struct snd_rawmidi_ops midi_playback_ops = {
 		.open    = midi_playback_open,
 		.close   = midi_playback_close,

sound/firewire/tascam/tascam.c

@@ -12,7 +12,7 @@ MODULE_DESCRIPTION("TASCAM FireWire series Driver");
 MODULE_AUTHOR("Takashi Sakamoto <o-takashi@sakamocchi.jp>");
 MODULE_LICENSE("GPL v2");
 
-static struct snd_tscm_spec model_specs[] = {
+static const struct snd_tscm_spec model_specs[] = {
 	{
 		.name = "FW-1884",
 		.has_adat = true,

sound/hda/hdac_i915.c

@@ -336,7 +336,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_i915_register_notifier);
 /* check whether intel graphics is present */
 static bool i915_gfx_present(void)
 {
-	static struct pci_device_id ids[] = {
+	static const struct pci_device_id ids[] = {
 		{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_ANY_ID),
 		  .class = PCI_BASE_CLASS_DISPLAY << 16,
 		  .class_mask = 0xff << 16 },

sound/isa/ad1816a/ad1816a.c

@@ -63,7 +63,7 @@ MODULE_PARM_DESC(enable, "Enable ad1816a based soundcard.");
 module_param_array(clockfreq, int, NULL, 0444);
 MODULE_PARM_DESC(clockfreq, "Clock frequency for ad1816a driver (default = 0).");
 
-static struct pnp_card_device_id snd_ad1816a_pnpids[] = {
+static const struct pnp_card_device_id snd_ad1816a_pnpids[] = {
 	/* Analog Devices AD1815 */
 	{ .id = "ADS7150", .devs = { { .id = "ADS7150" }, { .id = "ADS7151" } } },
 	/* Analog Device AD1816? */

sound/isa/ad1816a/ad1816a_lib.c

@@ -339,7 +339,7 @@ static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id)
 }
 
 
-static struct snd_pcm_hardware snd_ad1816a_playback = {
+static const struct snd_pcm_hardware snd_ad1816a_playback = {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
 	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
@@ -358,7 +358,7 @@ static struct snd_pcm_hardware snd_ad1816a_playback = {
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_ad1816a_capture = {
+static const struct snd_pcm_hardware snd_ad1816a_capture = {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
 	.formats =		(SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW |
@@ -653,7 +653,7 @@ int snd_ad1816a_create(struct snd_card *card,
 	return 0;
 }
 
-static struct snd_pcm_ops snd_ad1816a_playback_ops = {
+static const struct snd_pcm_ops snd_ad1816a_playback_ops = {
 	.open =		snd_ad1816a_playback_open,
 	.close =	snd_ad1816a_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -664,7 +664,7 @@ static struct snd_pcm_ops snd_ad1816a_playback_ops = {
 	.pointer =	snd_ad1816a_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_ad1816a_capture_ops = {
+static const struct snd_pcm_ops snd_ad1816a_capture_ops = {
 	.open =		snd_ad1816a_capture_open,
 	.close =	snd_ad1816a_capture_close,
 	.ioctl =	snd_pcm_lib_ioctl,

sound/isa/ad1848/ad1848.c

@@ -110,13 +110,17 @@ static int snd_ad1848_probe(struct device *dev, unsigned int n)
 	if (error < 0)
 		goto out;
 
-	strcpy(card->driver, "AD1848");
-	strcpy(card->shortname, chip->pcm->name);
-
-	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
-		chip->pcm->name, chip->port, irq[n], dma1[n]);
-	if (thinkpad[n])
-		strcat(card->longname, " [Thinkpad]");
+	strlcpy(card->driver, "AD1848", sizeof(card->driver));
+	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
+
+	if (!thinkpad[n])
+		snprintf(card->longname, sizeof(card->longname),
+			 "%s at 0x%lx, irq %d, dma %d",
+			 chip->pcm->name, chip->port, irq[n], dma1[n]);
+	else
+		snprintf(card->longname, sizeof(card->longname),
+			 "%s at 0x%lx, irq %d, dma %d [Thinkpad]",
+			 chip->pcm->name, chip->port, irq[n], dma1[n]);
 
 	error = snd_card_register(card);
 	if (error < 0)

sound/isa/als100.c

@@ -79,7 +79,7 @@ struct snd_card_als100 {
 	struct snd_sb *chip;
 };
 
-static struct pnp_card_device_id snd_als100_pnpids[] = {
+static const struct pnp_card_device_id snd_als100_pnpids[] = {
 	/* DT197A30 */
 	{ .id = "RWB1688",
 	  .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" } },
@@ -222,15 +222,16 @@ static int snd_card_als100_probe(int dev,
 	if (pid->driver_data == SB_HW_DT019X) {
 		strcpy(card->driver, "DT-019X");
 		strcpy(card->shortname, "Diamond Tech. DT-019X");
-		sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
-			card->shortname, chip->name, chip->port,
-			irq[dev], dma8[dev]);
+		snprintf(card->longname, sizeof(card->longname),
+			 "Diamond Tech. DT-019X, %s at 0x%lx, irq %d, dma %d",
+			 chip->name, chip->port, irq[dev], dma8[dev]);
 	} else {
 		strcpy(card->driver, "ALS100");
 		strcpy(card->shortname, "Avance Logic ALS100");
-		sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
-			card->shortname, chip->name, chip->port,
-			irq[dev], dma8[dev], dma16[dev]);
+		snprintf(card->longname, sizeof(card->longname),
+			 "Avance Logic ALS100, %s at 0x%lx, irq %d, dma %d&%d",
+			 chip->name, chip->port, irq[dev], dma8[dev],
+			 dma16[dev]);
 	}
 
 	if ((error = snd_sb16dsp_pcm(chip, 0)) < 0) {

sound/isa/azt2320.c

@@ -79,7 +79,7 @@ struct snd_card_azt2320 {
 	struct snd_wss *chip;
 };
 
-static struct pnp_card_device_id snd_azt2320_pnpids[] = {
+static const struct pnp_card_device_id snd_azt2320_pnpids[] = {
 	/* PRO16V */
 	{ .id = "AZT1008", .devs = { { "AZT1008" }, { "AZT2001" }, } },
 	/* Aztech Sound Galaxy 16 */

sound/isa/cmi8330.c

@@ -182,7 +182,7 @@ struct snd_cmi8330 {
 
 #ifdef CONFIG_PNP
 
-static struct pnp_card_device_id snd_cmi8330_pnpids[] = {
+static const struct pnp_card_device_id snd_cmi8330_pnpids[] = {
 	{ .id = "CMI0001", .devs = { { "@X@0001" }, { "@@@0001" }, { "@H@0001" }, { "A@@0001" } } },
 	{ .id = "CMI0001", .devs = { { "@@@0001" }, { "@X@0001" }, { "@H@0001" } } },
 	{ .id = "" }

sound/isa/cs423x/cs4231.c

@@ -109,13 +109,17 @@ static int snd_cs4231_probe(struct device *dev, unsigned int n)
 	if (error < 0)
 		goto out;
 
-	strcpy(card->driver, "CS4231");
-	strcpy(card->shortname, chip->pcm->name);
-
-	sprintf(card->longname, "%s at 0x%lx, irq %d, dma %d",
-		chip->pcm->name, chip->port, irq[n], dma1[n]);
-	if (dma2[n] >= 0)
-		sprintf(card->longname + strlen(card->longname), "&%d", dma2[n]);
+	strlcpy(card->driver, "CS4231", sizeof(card->driver));
+	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
+
+	if (dma2[n] < 0)
+		snprintf(card->longname, sizeof(card->longname),
+			 "%s at 0x%lx, irq %d, dma %d",
+			 chip->pcm->name, chip->port, irq[n], dma1[n]);
+	else
+		snprintf(card->longname, sizeof(card->longname),
+			 "%s at 0x%lx, irq %d, dma %d&%d",
+			 chip->pcm->name, chip->port, irq[n], dma1[n], dma2[n]);
 
 	error = snd_wss_mixer(chip);
 	if (error < 0)

sound/isa/cs423x/cs4236.c

@@ -149,7 +149,7 @@ static const struct pnp_device_id snd_cs423x_pnpbiosids[] = {
 MODULE_DEVICE_TABLE(pnp, snd_cs423x_pnpbiosids);
 
 #define CS423X_ISAPNP_DRIVER	"cs4232_isapnp"
-static struct pnp_card_device_id snd_cs423x_pnpids[] = {
+static const struct pnp_card_device_id snd_cs423x_pnpids[] = {
 	/* Philips PCA70PS */
 	{ .id = "CSC0d32", .devs = { { "CSC0000" }, { "CSC0010" }, { "PNPb006" } } },
 	/* TerraTec Maestro 32/96 (CS4232) */
@@ -419,15 +419,17 @@ static int snd_cs423x_probe(struct snd_card *card, int dev)
 		if (err < 0)
 			return err;
 	}
-	strcpy(card->driver, chip->pcm->name);
-	strcpy(card->shortname, chip->pcm->name);
-	sprintf(card->longname, "%s at 0x%lx, irq %i, dma %i",
-		chip->pcm->name,
-		chip->port,
-		irq[dev],
-		dma1[dev]);
-	if (dma2[dev] >= 0)
-		sprintf(card->longname + strlen(card->longname), "&%d", dma2[dev]);
+	strlcpy(card->driver, chip->pcm->name, sizeof(card->driver));
+	strlcpy(card->shortname, chip->pcm->name, sizeof(card->shortname));
+	if (dma2[dev] < 0)
+		snprintf(card->longname, sizeof(card->longname),
+			 "%s at 0x%lx, irq %i, dma %i",
+			 chip->pcm->name, chip->port, irq[dev], dma1[dev]);
+	else
+		snprintf(card->longname, sizeof(card->longname),
+			 "%s at 0x%lx, irq %i, dma %i&%d",
+			 chip->pcm->name, chip->port, irq[dev], dma1[dev],
+			 dma2[dev]);
 
 	err = snd_wss_timer(chip, 0);
 	if (err < 0)

sound/isa/es1688/es1688.c

@@ -321,7 +321,7 @@ static int snd_es968_pnp_resume(struct pnp_card_link *pcard)
 }
 #endif
 
-static struct pnp_card_device_id snd_es968_pnpids[] = {
+static const struct pnp_card_device_id snd_es968_pnpids[] = {
 	{ .id = "ESS0968", .devs = { { "@@@0968" }, } },
 	{ .id = "ESS0968", .devs = { { "ESS0968" }, } },
 	{ .id = "", } /* end */

sound/isa/es1688/es1688_lib.c

@@ -526,7 +526,7 @@ static snd_pcm_uframes_t snd_es1688_capture_pointer(struct snd_pcm_substream *su
 
  */
 
-static struct snd_pcm_hardware snd_es1688_playback =
+static const struct snd_pcm_hardware snd_es1688_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
@@ -544,7 +544,7 @@ static struct snd_pcm_hardware snd_es1688_playback =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_es1688_capture =
+static const struct snd_pcm_hardware snd_es1688_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
@@ -706,7 +706,7 @@ exit:
 	return err;
 }
 
-static struct snd_pcm_ops snd_es1688_playback_ops = {
+static const struct snd_pcm_ops snd_es1688_playback_ops = {
 	.open =			snd_es1688_playback_open,
 	.close =		snd_es1688_playback_close,
 	.ioctl =		snd_es1688_ioctl,
@@ -717,7 +717,7 @@ static struct snd_pcm_ops snd_es1688_playback_ops = {
 	.pointer =		snd_es1688_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_es1688_capture_ops = {
+static const struct snd_pcm_ops snd_es1688_capture_ops = {
 	.open =			snd_es1688_capture_open,
 	.close =		snd_es1688_capture_close,
 	.ioctl =		snd_es1688_ioctl,

sound/isa/es18xx.c

@@ -838,7 +838,7 @@ static snd_pcm_uframes_t snd_es18xx_capture_pointer(struct snd_pcm_substream *su
 	return pos >> chip->dma1_shift;
 }
 
-static struct snd_pcm_hardware snd_es18xx_playback =
+static const struct snd_pcm_hardware snd_es18xx_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_RESUME |
@@ -858,7 +858,7 @@ static struct snd_pcm_hardware snd_es18xx_playback =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_es18xx_capture =
+static const struct snd_pcm_hardware snd_es18xx_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_RESUME |
@@ -1665,7 +1665,7 @@ static int snd_es18xx_probe(struct snd_es18xx *chip,
 	return snd_es18xx_initialize(chip, mpu_port, fm_port);
 }
 
-static struct snd_pcm_ops snd_es18xx_playback_ops = {
+static const struct snd_pcm_ops snd_es18xx_playback_ops = {
 	.open =		snd_es18xx_playback_open,
 	.close =	snd_es18xx_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -1676,7 +1676,7 @@ static struct snd_pcm_ops snd_es18xx_playback_ops = {
 	.pointer =	snd_es18xx_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_es18xx_capture_ops = {
+static const struct snd_pcm_ops snd_es18xx_capture_ops = {
 	.open =		snd_es18xx_capture_open,
 	.close =	snd_es18xx_capture_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -2017,7 +2017,7 @@ static int isa_registered;
 static int pnp_registered;
 static int pnpc_registered;
 
-static struct pnp_device_id snd_audiodrive_pnpbiosids[] = {
+static const struct pnp_device_id snd_audiodrive_pnpbiosids[] = {
 	{ .id = "ESS1869" },
 	{ .id = "ESS1879" },
 	{ .id = "" }		/* end */
@@ -2062,7 +2062,7 @@ static int snd_audiodrive_pnp(int dev, struct snd_es18xx *chip,
 	return 0;
 }
 
-static struct pnp_card_device_id snd_audiodrive_pnpids[] = {
+static const struct pnp_card_device_id snd_audiodrive_pnpids[] = {
 	/* ESS 1868 (integrated on Compaq dual P-Pro motherboard and Genius 18PnP 3D) */
 	{ .id = "ESS1868", .devs = { { "ESS1868" }, { "ESS0000" } } },
 	/* ESS 1868 (integrated on Maxisound Cards) */

sound/isa/gus/gus_pcm.c

@@ -650,7 +650,7 @@ static void snd_gf1_pcm_interrupt_dma_read(struct snd_gus_card * gus)
 	}
 }
 
-static struct snd_pcm_hardware snd_gf1_pcm_playback =
+static const struct snd_pcm_hardware snd_gf1_pcm_playback =
 {
 	.info =			SNDRV_PCM_INFO_NONINTERLEAVED,
 	.formats		= (SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 |
@@ -668,7 +668,7 @@ static struct snd_pcm_hardware snd_gf1_pcm_playback =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_gf1_pcm_capture =
+static const struct snd_pcm_hardware snd_gf1_pcm_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
@@ -842,7 +842,7 @@ static const struct snd_kcontrol_new snd_gf1_pcm_volume_control1 =
 	.put = snd_gf1_pcm_volume_put
 };
 
-static struct snd_pcm_ops snd_gf1_pcm_playback_ops = {
+static const struct snd_pcm_ops snd_gf1_pcm_playback_ops = {
 	.open =		snd_gf1_pcm_playback_open,
 	.close =	snd_gf1_pcm_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -856,7 +856,7 @@ static struct snd_pcm_ops snd_gf1_pcm_playback_ops = {
 	.fill_silence =	snd_gf1_pcm_playback_silence,
 };
 
-static struct snd_pcm_ops snd_gf1_pcm_capture_ops = {
+static const struct snd_pcm_ops snd_gf1_pcm_capture_ops = {
 	.open =		snd_gf1_pcm_capture_open,
 	.close =	snd_gf1_pcm_capture_close,
 	.ioctl =	snd_pcm_lib_ioctl,

sound/isa/gus/interwave.c

@@ -136,7 +136,7 @@ struct snd_interwave {
 static int isa_registered;
 static int pnp_registered;
 
-static struct pnp_card_device_id snd_interwave_pnpids[] = {
+static const struct pnp_card_device_id snd_interwave_pnpids[] = {
 #ifndef SNDRV_STB
 	/* Gravis UltraSound Plug & Play */
 	{ .id = "GRV0001", .devs = { { .id = "GRV0000" } } },

sound/isa/msnd/msnd.c

@@ -437,7 +437,7 @@ static void snd_msnd_capture_reset_queue(struct snd_msnd *chip,
 	}
 }
 
-static struct snd_pcm_hardware snd_msnd_playback = {
+static const struct snd_pcm_hardware snd_msnd_playback = {
 	.info =			SNDRV_PCM_INFO_MMAP |
 				SNDRV_PCM_INFO_INTERLEAVED |
 				SNDRV_PCM_INFO_MMAP_VALID |
@@ -456,7 +456,7 @@ static struct snd_pcm_hardware snd_msnd_playback = {
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_msnd_capture = {
+static const struct snd_pcm_hardware snd_msnd_capture = {
 	.info =			SNDRV_PCM_INFO_MMAP |
 				SNDRV_PCM_INFO_INTERLEAVED |
 				SNDRV_PCM_INFO_MMAP_VALID |
@@ -572,7 +572,7 @@ snd_msnd_playback_pointer(struct snd_pcm_substream *substream)
 }
 
 
-static struct snd_pcm_ops snd_msnd_playback_ops = {
+static const struct snd_pcm_ops snd_msnd_playback_ops = {
 	.open =		snd_msnd_playback_open,
 	.close =	snd_msnd_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -669,7 +669,7 @@ static int snd_msnd_capture_hw_params(struct snd_pcm_substream *substream,
 }
 
 
-static struct snd_pcm_ops snd_msnd_capture_ops = {
+static const struct snd_pcm_ops snd_msnd_capture_ops = {
 	.open =		snd_msnd_capture_open,
 	.close =	snd_msnd_capture_close,
 	.ioctl =	snd_pcm_lib_ioctl,

sound/isa/msnd/msnd_pinnacle.c

@@ -1192,7 +1192,7 @@ static void snd_msnd_pnp_remove(struct pnp_card_link *pcard)
 static int isa_registered;
 static int pnp_registered;
 
-static struct pnp_card_device_id msnd_pnpids[] = {
+static const struct pnp_card_device_id msnd_pnpids[] = {
 	/* Pinnacle PnP */
 	{ .id = "BVJ0440", .devs = { { "TBS0000" }, { "TBS0001" } } },
 	{ .id = "" }	/* end */

sound/isa/opl3sa2.c

@@ -141,7 +141,7 @@ struct snd_opl3sa2 {
 
 #ifdef CONFIG_PNP
 
-static struct pnp_device_id snd_opl3sa2_pnpbiosids[] = {
+static const struct pnp_device_id snd_opl3sa2_pnpbiosids[] = {
 	{ .id = "YMH0021" },
 	{ .id = "NMX2210" },	/* Gateway Solo 2500 */
 	{ .id = "" }		/* end */
@@ -149,7 +149,7 @@ static struct pnp_device_id snd_opl3sa2_pnpbiosids[] = {
 
 MODULE_DEVICE_TABLE(pnp, snd_opl3sa2_pnpbiosids);
 
-static struct pnp_card_device_id snd_opl3sa2_pnpids[] = {
+static const struct pnp_card_device_id snd_opl3sa2_pnpids[] = {
 	/* Yamaha YMF719E-S (Genius Sound Maker 3DX) */
 	{ .id = "YMH0020", .devs = { { "YMH0021" } } },
 	/* Yamaha OPL3-SA3 (integrated on Intel's Pentium II AL440LX motherboard) */

sound/isa/opti9xx/miro.c

@@ -143,7 +143,7 @@ static int snd_miro_pnp_is_probed;
 
 #ifdef CONFIG_PNP
 
-static struct pnp_card_device_id snd_miro_pnpids[] = {
+static const struct pnp_card_device_id snd_miro_pnpids[] = {
 	/* PCM20 and PCM12 in PnP mode */
 	{ .id = "MIR0924",
 	  .devs = { { "MIR0000" }, { "MIR0002" }, { "MIR0005" } }, },
@@ -1353,9 +1353,10 @@ static int snd_miro_probe(struct snd_card *card)
 	}
 
 	strcpy(card->driver, "miro");
-	sprintf(card->longname, "%s: OPTi%s, %s at 0x%lx, irq %d, dma %d&%d",
-		card->shortname, miro->name, codec->pcm->name,
-		miro->wss_base + 4, miro->irq, miro->dma1, miro->dma2);
+	snprintf(card->longname, sizeof(card->longname),
+		 "%s: OPTi%s, %s at 0x%lx, irq %d, dma %d&%d",
+		 card->shortname, miro->name, codec->pcm->name,
+		 miro->wss_base + 4, miro->irq, miro->dma1, miro->dma2);
 
 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
 		rmidi = NULL;

sound/isa/opti9xx/opti92x-ad1848.c

@@ -151,7 +151,7 @@ static int snd_opti9xx_pnp_is_probed;
 
 #ifdef CONFIG_PNP
 
-static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
+static const struct pnp_card_device_id snd_opti9xx_pnpids[] = {
 #ifndef OPTi93X
 	/* OPTi 82C924 */
 	{ .id = "OPT0924",
@@ -879,13 +879,15 @@ static int snd_opti9xx_probe(struct snd_card *card)
 	strcpy(card->driver, chip->name);
 	sprintf(card->shortname, "OPTi %s", card->driver);
 #if defined(CS4231) || defined(OPTi93X)
-	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
-		card->shortname, codec->pcm->name,
-		chip->wss_base + 4, irq, dma1, xdma2);
+	snprintf(card->longname, sizeof(card->longname),
+		 "%s, %s at 0x%lx, irq %d, dma %d&%d",
+		 card->shortname, codec->pcm->name,
+		 chip->wss_base + 4, irq, dma1, xdma2);
 #else
-	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
-		card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
-		dma1);
+	snprintf(card->longname, sizeof(card->longname),
+		 "%s, %s at 0x%lx, irq %d, dma %d",
+		 card->shortname, codec->pcm->name, chip->wss_base + 4, irq,
+		 dma1);
 #endif	/* CS4231 || OPTi93X */
 
 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)

sound/isa/sb/emu8000_callback.c

@@ -62,7 +62,7 @@ static void snd_emu8000_tweak_voice(struct snd_emu8000 *emu, int ch);
 /*
  * set up operators
  */
-static struct snd_emux_operators emu8000_ops = {
+static const struct snd_emux_operators emu8000_ops = {
 	.owner =	THIS_MODULE,
 	.get_voice =	get_voice,
 	.prepare =	start_voice,

sound/isa/sb/emu8000_pcm.c

@@ -157,7 +157,7 @@ static int calc_rate_offset(int hz)
 /*
  */
 
-static struct snd_pcm_hardware emu8k_pcm_hw = {
+static const struct snd_pcm_hardware emu8k_pcm_hw = {
 #ifdef USE_NONINTERLEAVE
 	.info =			SNDRV_PCM_INFO_NONINTERLEAVED,
 #else
@@ -670,7 +670,7 @@ static snd_pcm_uframes_t emu8k_pcm_pointer(struct snd_pcm_substream *subs)
 }
 
 
-static struct snd_pcm_ops emu8k_pcm_ops = {
+static const struct snd_pcm_ops emu8k_pcm_ops = {
 	.open =		emu8k_pcm_open,
 	.close =	emu8k_pcm_close,
 	.ioctl =	snd_pcm_lib_ioctl,

sound/isa/sb/sb16.c

@@ -145,7 +145,7 @@ struct snd_card_sb16 {
 
 #ifdef CONFIG_PNP
 
-static struct pnp_card_device_id snd_sb16_pnpids[] = {
+static const struct pnp_card_device_id snd_sb16_pnpids[] = {
 #ifndef SNDRV_SBAWE
 	/* Sound Blaster 16 PnP */
 	{ .id = "CTL0024", .devs = { { "CTL0031" } } },

sound/isa/sb/sb16_main.c

@@ -473,7 +473,7 @@ static snd_pcm_uframes_t snd_sb16_capture_pointer(struct snd_pcm_substream *subs
 
  */
 
-static struct snd_pcm_hardware snd_sb16_playback =
+static const struct snd_pcm_hardware snd_sb16_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
@@ -491,7 +491,7 @@ static struct snd_pcm_hardware snd_sb16_playback =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_sb16_capture =
+static const struct snd_pcm_hardware snd_sb16_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
@@ -838,7 +838,7 @@ int snd_sb16dsp_configure(struct snd_sb * chip)
 	return 0;
 }
 
-static struct snd_pcm_ops snd_sb16_playback_ops = {
+static const struct snd_pcm_ops snd_sb16_playback_ops = {
 	.open =		snd_sb16_playback_open,
 	.close =	snd_sb16_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -849,7 +849,7 @@ static struct snd_pcm_ops snd_sb16_playback_ops = {
 	.pointer =	snd_sb16_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_sb16_capture_ops = {
+static const struct snd_pcm_ops snd_sb16_capture_ops = {
 	.open =		snd_sb16_capture_open,
 	.close =	snd_sb16_capture_close,
 	.ioctl =	snd_pcm_lib_ioctl,

sound/isa/sb/sb8_main.c

@@ -447,7 +447,7 @@ static snd_pcm_uframes_t snd_sb8_capture_pointer(struct snd_pcm_substream *subst
 
  */
 
-static struct snd_pcm_hardware snd_sb8_playback =
+static const struct snd_pcm_hardware snd_sb8_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
@@ -466,7 +466,7 @@ static struct snd_pcm_hardware snd_sb8_playback =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_sb8_capture =
+static const struct snd_pcm_hardware snd_sb8_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
@@ -572,7 +572,7 @@ static int snd_sb8_close(struct snd_pcm_substream *substream)
  *  Initialization part
  */
  
-static struct snd_pcm_ops snd_sb8_playback_ops = {
+static const struct snd_pcm_ops snd_sb8_playback_ops = {
 	.open =			snd_sb8_open,
 	.close =		snd_sb8_close,
 	.ioctl =		snd_pcm_lib_ioctl,
@@ -583,7 +583,7 @@ static struct snd_pcm_ops snd_sb8_playback_ops = {
 	.pointer =		snd_sb8_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_sb8_capture_ops = {
+static const struct snd_pcm_ops snd_sb8_capture_ops = {
 	.open =			snd_sb8_open,
 	.close =		snd_sb8_close,
 	.ioctl =		snd_pcm_lib_ioctl,

sound/isa/sscape.c

@@ -88,7 +88,7 @@ MODULE_PARM_DESC(joystick, "Enable gameport.");
 static int isa_registered;
 static int pnp_registered;
 
-static struct pnp_card_device_id sscape_pnpids[] = {
+static const struct pnp_card_device_id sscape_pnpids[] = {
 	{ .id = "ENS3081", .devs = { { "ENS0000" } } }, /* Soundscape PnP */
 	{ .id = "ENS4081", .devs = { { "ENS1011" } } },	/* VIVO90 */
 	{ .id = "" }	/* end */

sound/isa/wavefront/wavefront.c

@@ -88,7 +88,7 @@ MODULE_PARM_DESC(use_cs4232_midi, "Use CS4232 MPU-401 interface (inaccessibly lo
 static int isa_registered;
 static int pnp_registered;
 
-static struct pnp_card_device_id snd_wavefront_pnpids[] = {
+static const struct pnp_card_device_id snd_wavefront_pnpids[] = {
 	/* Tropez */
 	{ .id = "CSC7532", .devs = { { "CSC0000" }, { "CSC0010" }, { "PnPb006" }, { "CSC0004" } } },
 	/* Tropez+ */

sound/isa/wss/wss_lib.c

@@ -1452,7 +1452,7 @@ static int snd_wss_probe(struct snd_wss *chip)
 
  */
 
-static struct snd_pcm_hardware snd_wss_playback =
+static const struct snd_pcm_hardware snd_wss_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID |
@@ -1472,7 +1472,7 @@ static struct snd_pcm_hardware snd_wss_playback =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_wss_capture =
+static const struct snd_pcm_hardware snd_wss_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID |
@@ -1901,7 +1901,7 @@ int snd_wss_create(struct snd_card *card,
 }
 EXPORT_SYMBOL(snd_wss_create);
 
-static struct snd_pcm_ops snd_wss_playback_ops = {
+static const struct snd_pcm_ops snd_wss_playback_ops = {
 	.open =		snd_wss_playback_open,
 	.close =	snd_wss_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -1912,7 +1912,7 @@ static struct snd_pcm_ops snd_wss_playback_ops = {
 	.pointer =	snd_wss_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_wss_capture_ops = {
+static const struct snd_pcm_ops snd_wss_capture_ops = {
 	.open =		snd_wss_capture_open,
 	.close =	snd_wss_capture_close,
 	.ioctl =	snd_pcm_lib_ioctl,

sound/mips/hal2.c

@@ -496,7 +496,7 @@ static void hal2_free_dmabuf(struct hal2_codec *codec)
 		       DMA_ATTR_NON_CONSISTENT);
 }
 
-static struct snd_pcm_hardware hal2_pcm_hw = {
+static const struct snd_pcm_hardware hal2_pcm_hw = {
 	.info = (SNDRV_PCM_INFO_MMAP |
 		 SNDRV_PCM_INFO_MMAP_VALID |
 		 SNDRV_PCM_INFO_INTERLEAVED |
@@ -711,7 +711,7 @@ static int hal2_capture_ack(struct snd_pcm_substream *substream)
 						 hal2_capture_transfer);
 }
 
-static struct snd_pcm_ops hal2_playback_ops = {
+static const struct snd_pcm_ops hal2_playback_ops = {
 	.open =        hal2_playback_open,
 	.close =       hal2_playback_close,
 	.ioctl =       snd_pcm_lib_ioctl,
@@ -723,7 +723,7 @@ static struct snd_pcm_ops hal2_playback_ops = {
 	.ack =         hal2_playback_ack,
 };
 
-static struct snd_pcm_ops hal2_capture_ops = {
+static const struct snd_pcm_ops hal2_capture_ops = {
 	.open =        hal2_capture_open,
 	.close =       hal2_capture_close,
 	.ioctl =       snd_pcm_lib_ioctl,

sound/mips/sgio2audio.c

@@ -532,7 +532,7 @@ static irqreturn_t snd_sgio2audio_error_isr(int irq, void *dev_id)
 
 /* PCM part */
 /* PCM hardware definition */
-static struct snd_pcm_hardware snd_sgio2audio_pcm_hw = {
+static const struct snd_pcm_hardware snd_sgio2audio_pcm_hw = {
 	.info = (SNDRV_PCM_INFO_MMAP |
 		 SNDRV_PCM_INFO_MMAP_VALID |
 		 SNDRV_PCM_INFO_INTERLEAVED |
@@ -675,7 +675,7 @@ snd_sgio2audio_pcm_pointer(struct snd_pcm_substream *substream)
 }
 
 /* operators */
-static struct snd_pcm_ops snd_sgio2audio_playback1_ops = {
+static const struct snd_pcm_ops snd_sgio2audio_playback1_ops = {
 	.open =        snd_sgio2audio_playback1_open,
 	.close =       snd_sgio2audio_pcm_close,
 	.ioctl =       snd_pcm_lib_ioctl,
@@ -688,7 +688,7 @@ static struct snd_pcm_ops snd_sgio2audio_playback1_ops = {
 	.mmap =        snd_pcm_lib_mmap_vmalloc,
 };
 
-static struct snd_pcm_ops snd_sgio2audio_playback2_ops = {
+static const struct snd_pcm_ops snd_sgio2audio_playback2_ops = {
 	.open =        snd_sgio2audio_playback2_open,
 	.close =       snd_sgio2audio_pcm_close,
 	.ioctl =       snd_pcm_lib_ioctl,
@@ -701,7 +701,7 @@ static struct snd_pcm_ops snd_sgio2audio_playback2_ops = {
 	.mmap =        snd_pcm_lib_mmap_vmalloc,
 };
 
-static struct snd_pcm_ops snd_sgio2audio_capture_ops = {
+static const struct snd_pcm_ops snd_sgio2audio_capture_ops = {
 	.open =        snd_sgio2audio_capture_open,
 	.close =       snd_sgio2audio_pcm_close,
 	.ioctl =       snd_pcm_lib_ioctl,

sound/parisc/harmony.c

@@ -260,7 +260,7 @@ snd_harmony_rate_bits(int rate)
 	return HARMONY_SR_44KHZ;
 }
 
-static struct snd_pcm_hardware snd_harmony_playback =
+static const struct snd_pcm_hardware snd_harmony_playback =
 {
 	.info =	(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | 
 		 SNDRV_PCM_INFO_JOINT_DUPLEX | SNDRV_PCM_INFO_MMAP_VALID |
@@ -281,7 +281,7 @@ static struct snd_pcm_hardware snd_harmony_playback =
 	.fifo_size = 0,
 };
 
-static struct snd_pcm_hardware snd_harmony_capture =
+static const struct snd_pcm_hardware snd_harmony_capture =
 {
         .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
                  SNDRV_PCM_INFO_JOINT_DUPLEX | SNDRV_PCM_INFO_MMAP_VALID |
@@ -596,7 +596,7 @@ snd_harmony_hw_free(struct snd_pcm_substream *ss)
 	return snd_pcm_lib_free_pages(ss);
 }
 
-static struct snd_pcm_ops snd_harmony_playback_ops = {
+static const struct snd_pcm_ops snd_harmony_playback_ops = {
 	.open =	snd_harmony_playback_open,
 	.close = snd_harmony_playback_close,
 	.ioctl = snd_pcm_lib_ioctl,
@@ -607,7 +607,7 @@ static struct snd_pcm_ops snd_harmony_playback_ops = {
  	.pointer = snd_harmony_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_harmony_capture_ops = {
+static const struct snd_pcm_ops snd_harmony_capture_ops = {
         .open = snd_harmony_capture_open,
         .close = snd_harmony_capture_close,
         .ioctl = snd_pcm_lib_ioctl,

sound/pci/ad1889.c

@@ -283,7 +283,7 @@ snd_ad1889_hw_free(struct snd_pcm_substream *substream)
 	return snd_pcm_lib_free_pages(substream);
 }
 
-static struct snd_pcm_hardware snd_ad1889_playback_hw = {
+static const struct snd_pcm_hardware snd_ad1889_playback_hw = {
 	.info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BLOCK_TRANSFER,
 	.formats = SNDRV_PCM_FMTBIT_S16_LE,
@@ -300,7 +300,7 @@ static struct snd_pcm_hardware snd_ad1889_playback_hw = {
 	/*.fifo_size = 0,*/
 };
 
-static struct snd_pcm_hardware snd_ad1889_capture_hw = {
+static const struct snd_pcm_hardware snd_ad1889_capture_hw = {
 	.info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_BLOCK_TRANSFER,
 	.formats = SNDRV_PCM_FMTBIT_S16_LE,

sound/pci/ali5451/ali5451.c

@@ -1540,7 +1540,7 @@ static int snd_ali_close(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static struct snd_pcm_ops snd_ali_playback_ops = {
+static const struct snd_pcm_ops snd_ali_playback_ops = {
 	.open =		snd_ali_playback_open,
 	.close =	snd_ali_playback_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -1551,7 +1551,7 @@ static struct snd_pcm_ops snd_ali_playback_ops = {
 	.pointer =	snd_ali_playback_pointer,
 };
 
-static struct snd_pcm_ops snd_ali_capture_ops = {
+static const struct snd_pcm_ops snd_ali_capture_ops = {
 	.open =		snd_ali_capture_open,
 	.close =	snd_ali_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -1626,7 +1626,7 @@ static int snd_ali_modem_capture_open(struct snd_pcm_substream *substream)
 	return snd_ali_modem_open(substream, 1, ALI_MODEM_IN_CHANNEL);
 }
 
-static struct snd_pcm_ops snd_ali_modem_playback_ops = {
+static const struct snd_pcm_ops snd_ali_modem_playback_ops = {
 	.open =		snd_ali_modem_playback_open,
 	.close =	snd_ali_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -1637,7 +1637,7 @@ static struct snd_pcm_ops snd_ali_modem_playback_ops = {
 	.pointer =	snd_ali_pointer,
 };
 
-static struct snd_pcm_ops snd_ali_modem_capture_ops = {
+static const struct snd_pcm_ops snd_ali_modem_capture_ops = {
 	.open =		snd_ali_modem_capture_open,
 	.close =	snd_ali_close,
 	.ioctl =	snd_pcm_lib_ioctl,
@@ -1653,8 +1653,8 @@ struct ali_pcm_description {
 	char *name;
 	unsigned int playback_num;
 	unsigned int capture_num;
-	struct snd_pcm_ops *playback_ops;
-	struct snd_pcm_ops *capture_ops;
+	const struct snd_pcm_ops *playback_ops;
+	const struct snd_pcm_ops *capture_ops;
 	unsigned short class;
 };
 

sound/pci/als300.c

@@ -328,7 +328,7 @@ static int snd_als300_ac97(struct snd_als300 *chip)
  * the card when it is running outside of legacy
  * mode.
  */
-static struct snd_pcm_hardware snd_als300_playback_hw =
+static const struct snd_pcm_hardware snd_als300_playback_hw =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP |
 				SNDRV_PCM_INFO_INTERLEAVED |
@@ -347,7 +347,7 @@ static struct snd_pcm_hardware snd_als300_playback_hw =
 	.periods_max =		2,
 };
 
-static struct snd_pcm_hardware snd_als300_capture_hw =
+static const struct snd_pcm_hardware snd_als300_capture_hw =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP |
 				SNDRV_PCM_INFO_INTERLEAVED |

sound/pci/als4000.c

@@ -592,7 +592,7 @@ static irqreturn_t snd_als4000_interrupt(int irq, void *dev_id)
 
 /*****************************************************************/
 
-static struct snd_pcm_hardware snd_als4000_playback =
+static const struct snd_pcm_hardware snd_als4000_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),
@@ -611,7 +611,7 @@ static struct snd_pcm_hardware snd_als4000_playback =
 	.fifo_size =		0
 };
 
-static struct snd_pcm_hardware snd_als4000_capture =
+static const struct snd_pcm_hardware snd_als4000_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_MMAP_VALID),

sound/pci/asihpi/hpidebug.c

@@ -71,8 +71,8 @@ void hpi_debug_data(u16 *pdata, u32 len)
 		printk(KERN_DEBUG "%p:", (pdata + i));
 
 		for (k = 0; k < cols && i < len; i++, k++)
-			printk("%s%04x", k == 0 ? "" : " ", pdata[i]);
+			printk(KERN_CONT "%s%04x", k == 0 ? "" : " ", pdata[i]);
 
-		printk("\n");
+		printk(KERN_CONT "\n");
 	}
 }

sound/pci/atiixp.c

@@ -1009,7 +1009,7 @@ static int snd_atiixp_pcm_hw_free(struct snd_pcm_substream *substream)
 /*
  * pcm hardware definition, identical for all DMA types
  */
-static struct snd_pcm_hardware snd_atiixp_pcm_hw =
+static const struct snd_pcm_hardware snd_atiixp_pcm_hw =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1183,7 +1183,7 @@ static const struct snd_pcm_ops snd_atiixp_spdif_ops = {
 	.pointer =	snd_atiixp_pcm_pointer,
 };
 
-static struct ac97_pcm atiixp_pcm_defs[] = {
+static const struct ac97_pcm atiixp_pcm_defs[] = {
 	/* front PCM */
 	{
 		.exclusive = 1,

sound/pci/atiixp_modem.c

@@ -834,7 +834,7 @@ static int snd_atiixp_pcm_hw_free(struct snd_pcm_substream *substream)
 /*
  * pcm hardware definition, identical for all DMA types
  */
-static struct snd_pcm_hardware snd_atiixp_pcm_hw =
+static const struct snd_pcm_hardware snd_atiixp_pcm_hw =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |

sound/pci/au88x0/au88x0_pcm.c

@@ -30,7 +30,7 @@
 #define VORTEX_PCM_TYPE(x) (x->name[40])
 
 /* hardware definition */
-static struct snd_pcm_hardware snd_vortex_playback_hw_adb = {
+static const struct snd_pcm_hardware snd_vortex_playback_hw_adb = {
 	.info =
 	    (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
 	     SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
@@ -51,7 +51,7 @@ static struct snd_pcm_hardware snd_vortex_playback_hw_adb = {
 };
 
 #ifndef CHIP_AU8820
-static struct snd_pcm_hardware snd_vortex_playback_hw_a3d = {
+static const struct snd_pcm_hardware snd_vortex_playback_hw_a3d = {
 	.info =
 	    (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
 	     SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
@@ -71,7 +71,7 @@ static struct snd_pcm_hardware snd_vortex_playback_hw_a3d = {
 	.periods_max = 64,
 };
 #endif
-static struct snd_pcm_hardware snd_vortex_playback_hw_spdif = {
+static const struct snd_pcm_hardware snd_vortex_playback_hw_spdif = {
 	.info =
 	    (SNDRV_PCM_INFO_MMAP | /* SNDRV_PCM_INFO_RESUME | */
 	     SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_INTERLEAVED |
@@ -94,7 +94,7 @@ static struct snd_pcm_hardware snd_vortex_playback_hw_spdif = {
 };
 
 #ifndef CHIP_AU8810
-static struct snd_pcm_hardware snd_vortex_playback_hw_wt = {
+static const struct snd_pcm_hardware snd_vortex_playback_hw_wt = {
 	.info = (SNDRV_PCM_INFO_MMAP |
 		 SNDRV_PCM_INFO_INTERLEAVED |
 		 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID),
@@ -439,7 +439,7 @@ static snd_pcm_uframes_t snd_vortex_pcm_pointer(struct snd_pcm_substream *substr
 }
 
 /* operators */
-static struct snd_pcm_ops snd_vortex_playback_ops = {
+static const struct snd_pcm_ops snd_vortex_playback_ops = {
 	.open = snd_vortex_pcm_open,
 	.close = snd_vortex_pcm_close,
 	.ioctl = snd_pcm_lib_ioctl,

sound/pci/aw2/aw2-alsa.c

@@ -52,7 +52,7 @@ MODULE_LICENSE("GPL");
  * TYPEDEFS
  ********************************/
   /* hardware definition */
-static struct snd_pcm_hardware snd_aw2_playback_hw = {
+static const struct snd_pcm_hardware snd_aw2_playback_hw = {
 	.info = (SNDRV_PCM_INFO_MMAP |
 		 SNDRV_PCM_INFO_INTERLEAVED |
 		 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID),
@@ -69,7 +69,7 @@ static struct snd_pcm_hardware snd_aw2_playback_hw = {
 	.periods_max = 1024,
 };
 
-static struct snd_pcm_hardware snd_aw2_capture_hw = {
+static const struct snd_pcm_hardware snd_aw2_capture_hw = {
 	.info = (SNDRV_PCM_INFO_MMAP |
 		 SNDRV_PCM_INFO_INTERLEAVED |
 		 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP_VALID),

sound/pci/bt87x.c

@@ -353,7 +353,7 @@ static irqreturn_t snd_bt87x_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static struct snd_pcm_hardware snd_bt87x_digital_hw = {
+static const struct snd_pcm_hardware snd_bt87x_digital_hw = {
 	.info = SNDRV_PCM_INFO_MMAP |
 		SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -370,7 +370,7 @@ static struct snd_pcm_hardware snd_bt87x_digital_hw = {
 	.periods_max = 255,
 };
 
-static struct snd_pcm_hardware snd_bt87x_analog_hw = {
+static const struct snd_pcm_hardware snd_bt87x_analog_hw = {
 	.info = SNDRV_PCM_INFO_MMAP |
 		SNDRV_PCM_INFO_INTERLEAVED |
 		SNDRV_PCM_INFO_BLOCK_TRANSFER |

sound/pci/ca0106/ca0106_main.c

@@ -296,7 +296,7 @@ static struct snd_ca0106_details ca0106_chip_details[] = {
 };
 
 /* hardware definition */
-static struct snd_pcm_hardware snd_ca0106_playback_hw = {
+static const struct snd_pcm_hardware snd_ca0106_playback_hw = {
 	.info =			SNDRV_PCM_INFO_MMAP | 
 				SNDRV_PCM_INFO_INTERLEAVED |
 				SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -317,7 +317,7 @@ static struct snd_pcm_hardware snd_ca0106_playback_hw = {
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_ca0106_capture_hw = {
+static const struct snd_pcm_hardware snd_ca0106_capture_hw = {
 	.info =			(SNDRV_PCM_INFO_MMAP | 
 				 SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -660,11 +660,9 @@ static int snd_ca0106_pcm_open_capture_channel(struct snd_pcm_substream *substre
 	int err;
 
 	epcm = kzalloc(sizeof(*epcm), GFP_KERNEL);
-	if (epcm == NULL) {
-		dev_err(chip->card->dev,
-			"open_capture_channel: failed epcm alloc\n");
+	if (!epcm)
 		return -ENOMEM;
-        }
+
 	epcm->emu = chip;
 	epcm->substream = substream;
         epcm->channel_id=channel_id;

sound/pci/cmipci.c

@@ -1477,7 +1477,7 @@ static irqreturn_t snd_cmipci_interrupt(int irq, void *dev_id)
  */
 
 /* playback on channel A */
-static struct snd_pcm_hardware snd_cmipci_playback =
+static const struct snd_pcm_hardware snd_cmipci_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
@@ -1497,7 +1497,7 @@ static struct snd_pcm_hardware snd_cmipci_playback =
 };
 
 /* capture on channel B */
-static struct snd_pcm_hardware snd_cmipci_capture =
+static const struct snd_pcm_hardware snd_cmipci_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
@@ -1517,7 +1517,7 @@ static struct snd_pcm_hardware snd_cmipci_capture =
 };
 
 /* playback on channel B - stereo 16bit only? */
-static struct snd_pcm_hardware snd_cmipci_playback2 =
+static const struct snd_pcm_hardware snd_cmipci_playback2 =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
@@ -1537,7 +1537,7 @@ static struct snd_pcm_hardware snd_cmipci_playback2 =
 };
 
 /* spdif playback on channel A */
-static struct snd_pcm_hardware snd_cmipci_playback_spdif =
+static const struct snd_pcm_hardware snd_cmipci_playback_spdif =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
@@ -1557,7 +1557,7 @@ static struct snd_pcm_hardware snd_cmipci_playback_spdif =
 };
 
 /* spdif playback on channel A (32bit, IEC958 subframes) */
-static struct snd_pcm_hardware snd_cmipci_playback_iec958_subframe =
+static const struct snd_pcm_hardware snd_cmipci_playback_iec958_subframe =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
@@ -1577,7 +1577,7 @@ static struct snd_pcm_hardware snd_cmipci_playback_iec958_subframe =
 };
 
 /* spdif capture on channel B */
-static struct snd_pcm_hardware snd_cmipci_capture_spdif =
+static const struct snd_pcm_hardware snd_cmipci_capture_spdif =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_PAUSE |
@@ -3295,20 +3295,23 @@ static int snd_cmipci_probe(struct pci_dev *pci,
 		break;
 	}
 
-	if ((err = snd_cmipci_create(card, pci, dev, &cm)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	err = snd_cmipci_create(card, pci, dev, &cm);
+	if (err < 0)
+		goto free_card;
+
 	card->private_data = cm;
 
-	if ((err = snd_card_register(card)) < 0) {
-		snd_card_free(card);
-		return err;
-	}
+	err = snd_card_register(card);
+	if (err < 0)
+		goto free_card;
+
 	pci_set_drvdata(pci, card);
 	dev++;
 	return 0;
 
+free_card:
+	snd_card_free(card);
+	return err;
 }
 
 static void snd_cmipci_remove(struct pci_dev *pci)

sound/pci/cs4281.c

@@ -847,7 +847,7 @@ static snd_pcm_uframes_t snd_cs4281_pointer(struct snd_pcm_substream *substream)
 	       snd_cs4281_peekBA0(chip, dma->regDCC) - 1;
 }
 
-static struct snd_pcm_hardware snd_cs4281_playback =
+static const struct snd_pcm_hardware snd_cs4281_playback =
 {
 	.info =			SNDRV_PCM_INFO_MMAP |
 				SNDRV_PCM_INFO_INTERLEAVED |
@@ -872,7 +872,7 @@ static struct snd_pcm_hardware snd_cs4281_playback =
 	.fifo_size =		CS4281_FIFO_SIZE,
 };
 
-static struct snd_pcm_hardware snd_cs4281_capture =
+static const struct snd_pcm_hardware snd_cs4281_capture =
 {
 	.info =			SNDRV_PCM_INFO_MMAP |
 				SNDRV_PCM_INFO_INTERLEAVED |

sound/pci/cs46xx/cs46xx_lib.c

@@ -1438,7 +1438,7 @@ static irqreturn_t snd_cs46xx_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static struct snd_pcm_hardware snd_cs46xx_playback =
+static const struct snd_pcm_hardware snd_cs46xx_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP |
 				 SNDRV_PCM_INFO_INTERLEAVED | 
@@ -1460,7 +1460,7 @@ static struct snd_pcm_hardware snd_cs46xx_playback =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_cs46xx_capture =
+static const struct snd_pcm_hardware snd_cs46xx_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP |
 				 SNDRV_PCM_INFO_INTERLEAVED |

sound/pci/cs5535audio/cs5535audio_pcm.c

@@ -33,7 +33,7 @@
 #include <sound/ac97_codec.h>
 #include "cs5535audio.h"
 
-static struct snd_pcm_hardware snd_cs5535audio_playback =
+static const struct snd_pcm_hardware snd_cs5535audio_playback =
 {
 	.info =			(
 				SNDRV_PCM_INFO_MMAP |
@@ -62,7 +62,7 @@ static struct snd_pcm_hardware snd_cs5535audio_playback =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_cs5535audio_capture =
+static const struct snd_pcm_hardware snd_cs5535audio_capture =
 {
 	.info =			(
 				SNDRV_PCM_INFO_MMAP |

sound/pci/ctxfi/cthw20k1.c

@@ -2154,7 +2154,7 @@ static void hw_write_pci(struct hw *hw, u32 reg, u32 data)
 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
 }
 
-static struct hw ct20k1_preset = {
+static const struct hw ct20k1_preset = {
 	.irq = -1,
 
 	.card_init = hw_card_init,

sound/pci/ctxfi/cthw20k2.c

@@ -2220,7 +2220,7 @@ static void hw_write_20kx(struct hw *hw, u32 reg, u32 data)
 	writel(data, hw->mem_base + reg);
 }
 
-static struct hw ct20k2_preset = {
+static const struct hw ct20k2_preset = {
 	.irq = -1,
 
 	.card_init = hw_card_init,

sound/pci/ctxfi/ctpcm.c

@@ -21,7 +21,7 @@
 #include <sound/pcm.h>
 
 /* Hardware descriptions for playback */
-static struct snd_pcm_hardware ct_pcm_playback_hw = {
+static const struct snd_pcm_hardware ct_pcm_playback_hw = {
 	.info			= (SNDRV_PCM_INFO_MMAP |
 				   SNDRV_PCM_INFO_INTERLEAVED |
 				   SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -46,7 +46,7 @@ static struct snd_pcm_hardware ct_pcm_playback_hw = {
 	.fifo_size		= 0,
 };
 
-static struct snd_pcm_hardware ct_spdif_passthru_playback_hw = {
+static const struct snd_pcm_hardware ct_spdif_passthru_playback_hw = {
 	.info			= (SNDRV_PCM_INFO_MMAP |
 				   SNDRV_PCM_INFO_INTERLEAVED |
 				   SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -69,7 +69,7 @@ static struct snd_pcm_hardware ct_spdif_passthru_playback_hw = {
 };
 
 /* Hardware descriptions for capture */
-static struct snd_pcm_hardware ct_pcm_capture_hw = {
+static const struct snd_pcm_hardware ct_pcm_capture_hw = {
 	.info			= (SNDRV_PCM_INFO_MMAP |
 				   SNDRV_PCM_INFO_INTERLEAVED |
 				   SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -140,27 +140,28 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream)
 
 	err = snd_pcm_hw_constraint_integer(runtime,
 					    SNDRV_PCM_HW_PARAM_PERIODS);
-	if (err < 0) {
-		kfree(apcm);
-		return err;
-	}
+	if (err < 0)
+		goto free_pcm;
+
 	err = snd_pcm_hw_constraint_minmax(runtime,
 					   SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
 					   1024, UINT_MAX);
-	if (err < 0) {
-		kfree(apcm);
-		return err;
-	}
+	if (err < 0)
+		goto free_pcm;
 
 	apcm->timer = ct_timer_instance_new(atc->timer, apcm);
 	if (!apcm->timer) {
-		kfree(apcm);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto free_pcm;
 	}
 	runtime->private_data = apcm;
 	runtime->private_free = ct_atc_pcm_free_substream;
 
 	return 0;
+
+free_pcm:
+	kfree(apcm);
+	return err;
 }
 
 static int ct_pcm_playback_close(struct snd_pcm_substream *substream)
@@ -286,27 +287,28 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream)
 
 	err = snd_pcm_hw_constraint_integer(runtime,
 					    SNDRV_PCM_HW_PARAM_PERIODS);
-	if (err < 0) {
-		kfree(apcm);
-		return err;
-	}
+	if (err < 0)
+		goto free_pcm;
+
 	err = snd_pcm_hw_constraint_minmax(runtime,
 					   SNDRV_PCM_HW_PARAM_BUFFER_BYTES,
 					   1024, UINT_MAX);
-	if (err < 0) {
-		kfree(apcm);
-		return err;
-	}
+	if (err < 0)
+		goto free_pcm;
 
 	apcm->timer = ct_timer_instance_new(atc->timer, apcm);
 	if (!apcm->timer) {
-		kfree(apcm);
-		return -ENOMEM;
+		err = -ENOMEM;
+		goto free_pcm;
 	}
 	runtime->private_data = apcm;
 	runtime->private_free = ct_atc_pcm_free_substream;
 
 	return 0;
+
+free_pcm:
+	kfree(apcm);
+	return err;
 }
 
 static int ct_pcm_capture_close(struct snd_pcm_substream *substream)

sound/pci/ctxfi/ctresource.c

@@ -258,10 +258,8 @@ error:
 
 int rsc_mgr_uninit(struct rsc_mgr *mgr)
 {
-	if (NULL != mgr->rscs) {
-		kfree(mgr->rscs);
-		mgr->rscs = NULL;
-	}
+	kfree(mgr->rscs);
+	mgr->rscs = NULL;
 
 	if ((NULL != mgr->hw) && (NULL != mgr->ctrl_blk)) {
 		switch (mgr->type) {

sound/pci/ctxfi/ctsrc.c

@@ -702,10 +702,8 @@ error1:
 
 static int srcimp_rsc_uninit(struct srcimp *srcimp)
 {
-	if (NULL != srcimp->imappers) {
-		kfree(srcimp->imappers);
-		srcimp->imappers = NULL;
-	}
+	kfree(srcimp->imappers);
+	srcimp->imappers = NULL;
 	srcimp->ops = NULL;
 	srcimp->mgr = NULL;
 	rsc_uninit(&srcimp->rsc);

sound/pci/echoaudio/echoaudio.c

@@ -826,7 +826,7 @@ static snd_pcm_uframes_t pcm_pointer(struct snd_pcm_substream *substream)
 
 
 /* pcm *_ops structures */
-static struct snd_pcm_ops analog_playback_ops = {
+static const struct snd_pcm_ops analog_playback_ops = {
 	.open = pcm_analog_out_open,
 	.close = pcm_close,
 	.ioctl = snd_pcm_lib_ioctl,
@@ -837,7 +837,7 @@ static struct snd_pcm_ops analog_playback_ops = {
 	.pointer = pcm_pointer,
 	.page = snd_pcm_sgbuf_ops_page,
 };
-static struct snd_pcm_ops analog_capture_ops = {
+static const struct snd_pcm_ops analog_capture_ops = {
 	.open = pcm_analog_in_open,
 	.close = pcm_close,
 	.ioctl = snd_pcm_lib_ioctl,
@@ -850,7 +850,7 @@ static struct snd_pcm_ops analog_capture_ops = {
 };
 #ifdef ECHOCARD_HAS_DIGITAL_IO
 #ifndef ECHOCARD_HAS_VMIXER
-static struct snd_pcm_ops digital_playback_ops = {
+static const struct snd_pcm_ops digital_playback_ops = {
 	.open = pcm_digital_out_open,
 	.close = pcm_close,
 	.ioctl = snd_pcm_lib_ioctl,
@@ -862,7 +862,7 @@ static struct snd_pcm_ops digital_playback_ops = {
 	.page = snd_pcm_sgbuf_ops_page,
 };
 #endif /* !ECHOCARD_HAS_VMIXER */
-static struct snd_pcm_ops digital_capture_ops = {
+static const struct snd_pcm_ops digital_capture_ops = {
 	.open = pcm_digital_in_open,
 	.close = pcm_close,
 	.ioctl = snd_pcm_lib_ioctl,

sound/pci/emu10k1/emu10k1x.c

@@ -254,7 +254,7 @@ struct emu10k1x {
 };
 
 /* hardware definition */
-static struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
+static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
 	.info =			(SNDRV_PCM_INFO_MMAP | 
 				 SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -273,7 +273,7 @@ static struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
+static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
 	.info =			(SNDRV_PCM_INFO_MMAP | 
 				 SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |

sound/pci/emu10k1/emupcm.c

@@ -556,7 +556,7 @@ static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
 	return 0;
 }
 
-static struct snd_pcm_hardware snd_emu10k1_efx_playback =
+static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -975,7 +975,7 @@ static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *s
  *  Playback support device description
  */
 
-static struct snd_pcm_hardware snd_emu10k1_playback =
+static const struct snd_pcm_hardware snd_emu10k1_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -999,7 +999,7 @@ static struct snd_pcm_hardware snd_emu10k1_playback =
  *  Capture support device description
  */
 
-static struct snd_pcm_hardware snd_emu10k1_capture =
+static const struct snd_pcm_hardware snd_emu10k1_capture =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1019,7 +1019,7 @@ static struct snd_pcm_hardware snd_emu10k1_capture =
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_emu10k1_capture_efx =
+static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1742,7 +1742,7 @@ static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_subs
 	return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
 }
 
-static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
+static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
 {
 	.info =			(SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_RESUME |

sound/pci/emu10k1/p16v.c

@@ -122,7 +122,7 @@
  */
 
  /* hardware definition */
-static struct snd_pcm_hardware snd_p16v_playback_hw = {
+static const struct snd_pcm_hardware snd_p16v_playback_hw = {
 	.info =			SNDRV_PCM_INFO_MMAP | 
 				SNDRV_PCM_INFO_INTERLEAVED |
 				SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -143,7 +143,7 @@ static struct snd_pcm_hardware snd_p16v_playback_hw = {
 	.fifo_size =		0,
 };
 
-static struct snd_pcm_hardware snd_p16v_capture_hw = {
+static const struct snd_pcm_hardware snd_p16v_capture_hw = {
 	.info =			(SNDRV_PCM_INFO_MMAP |
 				 SNDRV_PCM_INFO_INTERLEAVED |
 				 SNDRV_PCM_INFO_BLOCK_TRANSFER |