[PATCH 4/4] [media] usb: constify videobuf_queue_ops structures

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videobuf_queue_ops are not supposed to change at runtime. All functions
working with videobuf_queue_ops provided by <media/videobuf-core.h> work
with const videobuf_queue_ops. So mark the non-const structs as const.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
 drivers/media/usb/cx231xx/cx231xx-417.c   | 2 +-
 drivers/media/usb/cx231xx/cx231xx-video.c | 2 +-
 drivers/media/usb/tm6000/tm6000-video.c   | 2 +-
 drivers/media/usb/zr364xx/zr364xx.c       | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/media/usb/cx231xx/cx231xx-417.c b/drivers/media/usb/cx231xx/cx231xx-417.c
index 509d971..2b16808 100644
--- a/drivers/media/usb/cx231xx/cx231xx-417.c
+++ b/drivers/media/usb/cx231xx/cx231xx-417.c
@@ -1490,7 +1490,7 @@ static void bb_buf_release(struct videobuf_queue *q,
 	free_buffer(q, buf);
 }
 
-static struct videobuf_queue_ops cx231xx_qops = {
+static const struct videobuf_queue_ops cx231xx_qops = {
 	.buf_setup    = bb_buf_setup,
 	.buf_prepare  = bb_buf_prepare,
 	.buf_queue    = bb_buf_queue,
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index f67f868..179b848 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -859,7 +859,7 @@ static void buffer_release(struct videobuf_queue *vq,
 	free_buffer(vq, buf);
 }
 
-static struct videobuf_queue_ops cx231xx_video_qops = {
+static const struct videobuf_queue_ops cx231xx_video_qops = {
 	.buf_setup = buffer_setup,
 	.buf_prepare = buffer_prepare,
 	.buf_queue = buffer_queue,
diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c
index 7e960d0..35925f1 100644
--- a/drivers/media/usb/tm6000/tm6000-video.c
+++ b/drivers/media/usb/tm6000/tm6000-video.c
@@ -801,7 +801,7 @@ static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb
 	free_buffer(vq, buf);
 }
 
-static struct videobuf_queue_ops tm6000_video_qops = {
+static const struct videobuf_queue_ops tm6000_video_qops = {
 	.buf_setup      = buffer_setup,
 	.buf_prepare    = buffer_prepare,
 	.buf_queue      = buffer_queue,
diff --git a/drivers/media/usb/zr364xx/zr364xx.c b/drivers/media/usb/zr364xx/zr364xx.c
index efdcd5b..24d5860 100644
--- a/drivers/media/usb/zr364xx/zr364xx.c
+++ b/drivers/media/usb/zr364xx/zr364xx.c
@@ -439,7 +439,7 @@ static void buffer_release(struct videobuf_queue *vq,
 	free_buffer(vq, buf);
 }
 
-static struct videobuf_queue_ops zr364xx_video_qops = {
+static const struct videobuf_queue_ops zr364xx_video_qops = {
 	.buf_setup = buffer_setup,
 	.buf_prepare = buffer_prepare,
 	.buf_queue = buffer_queue,
-- 
1.9.1

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