ALSA: virmidi: fixed code style issues

Fixed some minor code style issues and also removed some
assignments inside of if conditionals.

Signed-off-by: Kyle Chamberlin <kylechamberlin@project20million.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/drivers/virmidi.c

@@ -99,30 +99,33 @@ static int snd_virmidi_probe(struct platform_device *devptr)
 
 	if (midi_devs[dev] > MAX_MIDI_DEVICES) {
 		snd_printk(KERN_WARNING
-			   "too much midi devices for virmidi %d: "
-			   "force to use %d\n", dev, MAX_MIDI_DEVICES);
+			   "too much midi devices for virmidi %d: force to use %d\n",
+			   dev, MAX_MIDI_DEVICES);
 		midi_devs[dev] = MAX_MIDI_DEVICES;
 	}
 	for (idx = 0; idx < midi_devs[dev]; idx++) {
 		struct snd_rawmidi *rmidi;
 		struct snd_virmidi_dev *rdev;
-		if ((err = snd_virmidi_new(card, idx, &rmidi)) < 0)
+
+		err = snd_virmidi_new(card, idx, &rmidi);
+		if (err < 0)
 			goto __nodev;
 		rdev = rmidi->private_data;
 		vmidi->midi[idx] = rmidi;
 		strcpy(rmidi->name, "Virtual Raw MIDI");
 		rdev->seq_mode = SNDRV_VIRMIDI_SEQ_DISPATCH;
 	}
-	
+
 	strcpy(card->driver, "VirMIDI");
 	strcpy(card->shortname, "VirMIDI");
 	sprintf(card->longname, "Virtual MIDI Card %i", dev + 1);
 
-	if ((err = snd_card_register(card)) == 0) {
+	err = snd_card_register(card);
+	if (err) {
 		platform_set_drvdata(devptr, card);
 		return 0;
 	}
-      __nodev:
+__nodev:
 	snd_card_free(card);
 	return err;
 }
@@ -157,13 +160,15 @@ static int __init alsa_card_virmidi_init(void)
 {
 	int i, cards, err;
 
-	if ((err = platform_driver_register(&snd_virmidi_driver)) < 0)
+	err = platform_driver_register(&snd_virmidi_driver);
+	if (err < 0)
 		return err;
 
 	cards = 0;
 	for (i = 0; i < SNDRV_CARDS; i++) {
 		struct platform_device *device;
-		if (! enable[i])
+
+		if (!enable[i])
 			continue;
 		device = platform_device_register_simple(SND_VIRMIDI_DRIVER,
 							 i, NULL, 0);