media: cx23885/saa7134: make vb2_ops const

Make vb2_ops const as they are only stored in the const field of a
vb2_queue structure. Make the declarations const too.

Done using Coccinelle.

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/pci/cx23885/cx23885-vbi.c

@@ -254,7 +254,7 @@ static void cx23885_stop_streaming(struct vb2_queue *q)
 }
 
 
-struct vb2_ops cx23885_vbi_qops = {
+const struct vb2_ops cx23885_vbi_qops = {
 	.queue_setup    = queue_setup,
 	.buf_prepare  = buffer_prepare,
 	.buf_finish = buffer_finish,

drivers/media/pci/cx23885/cx23885.h

@@ -591,7 +591,7 @@ int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm);
 extern int cx23885_vbi_fmt(struct file *file, void *priv,
 	struct v4l2_format *f);
 extern void cx23885_vbi_timeout(unsigned long data);
-extern struct vb2_ops cx23885_vbi_qops;
+extern const struct vb2_ops cx23885_vbi_qops;
 extern int cx23885_vbi_irq(struct cx23885_dev *dev, u32 status);
 
 /* cx23885-i2c.c                                                */

drivers/media/pci/saa7134/saa7134-vbi.c

@@ -165,7 +165,7 @@ static int buffer_init(struct vb2_buffer *vb2)
 	return 0;
 }
 
-struct vb2_ops saa7134_vbi_qops = {
+const struct vb2_ops saa7134_vbi_qops = {
 	.queue_setup	= queue_setup,
 	.buf_init	= buffer_init,
 	.buf_prepare	= buffer_prepare,

drivers/media/pci/saa7134/saa7134.h

@@ -870,7 +870,7 @@ int saa7134_ts_stop(struct saa7134_dev *dev);
 /* ----------------------------------------------------------- */
 /* saa7134-vbi.c                                               */
 
-extern struct vb2_ops saa7134_vbi_qops;
+extern const struct vb2_ops saa7134_vbi_qops;
 extern struct video_device saa7134_vbi_template;
 
 int saa7134_vbi_init1(struct saa7134_dev *dev);