[PATCH 0/2] constify vb2_ops structures

[PATCH 0/2] constify vb2_ops structures

[Julia Lawall]

The vb2_ops structures can be const as they are only stored in the ops
field of a vb2_queue structure and this field is const.

Done with the help of Coccinelle.

---

 drivers/media/i2c/video-i2c.c           |    2 +-
 drivers/usb/gadget/function/uvc_queue.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

[PATCH 1/2] usb: gadget: uvc: constify vb2_ops structure

[Julia Lawall]

The vb2_ops structure can be const as it is only stored in the ops
field of a vb2_queue structure and this field is const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
 drivers/usb/gadget/function/uvc_queue.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c
index 9e33d5206d54..526a10a33094 100644
--- a/drivers/usb/gadget/function/uvc_queue.c
+++ b/drivers/usb/gadget/function/uvc_queue.c
@@ -102,7 +102,7 @@ static void uvc_buffer_queue(struct vb2_buffer *vb)
 	spin_unlock_irqrestore(&queue->irqlock, flags);
 }
 
-static struct vb2_ops uvc_queue_qops = {
+static const struct vb2_ops uvc_queue_qops = {
 	.queue_setup = uvc_queue_setup,
 	.buf_prepare = uvc_buffer_prepare,
 	.buf_queue = uvc_buffer_queue,

[PATCH 2/2] media: video-i2c: hwmon: constify vb2_ops structure

[Julia Lawall]

The vb2_ops structure can be const as it is only stored in the ops
field of a vb2_queue structure and this field is const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

---
 drivers/media/i2c/video-i2c.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c
index 4d49af86c15e..cb89cda6553d 100644
--- a/drivers/media/i2c/video-i2c.c
+++ b/drivers/media/i2c/video-i2c.c
@@ -336,7 +336,7 @@ static void stop_streaming(struct vb2_queue *vq)
 	video_i2c_del_list(vq, VB2_BUF_STATE_ERROR);
 }
 
-static struct vb2_ops video_i2c_video_qops = {
+static const struct vb2_ops video_i2c_video_qops = {
 	.queue_setup		= queue_setup,
 	.buf_prepare		= buffer_prepare,
 	.buf_queue		= buffer_queue,

Re: [PATCH 2/2] media: video-i2c: hwmon: constify vb2_ops structure

[Matt Ranostay]

On Tue, Oct 30, 2018 at 9:06 AM Julia Lawall <Julia.Lawall@lip6.fr> wrote:
>
> The vb2_ops structure can be const as it is only stored in the ops
> field of a vb2_queue structure and this field is const.
>
> Done with the help of Coccinelle.
>
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>

>
> ---
>  drivers/media/i2c/video-i2c.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/media/i2c/video-i2c.c b/drivers/media/i2c/video-i2c.c
> index 4d49af86c15e..cb89cda6553d 100644
> --- a/drivers/media/i2c/video-i2c.c
> +++ b/drivers/media/i2c/video-i2c.c
> @@ -336,7 +336,7 @@ static void stop_streaming(struct vb2_queue *vq)
>         video_i2c_del_list(vq, VB2_BUF_STATE_ERROR);
>  }
>
> -static struct vb2_ops video_i2c_video_qops = {
> +static const struct vb2_ops video_i2c_video_qops = {
>         .queue_setup            = queue_setup,
>         .buf_prepare            = buffer_prepare,
>         .buf_queue              = buffer_queue,
>

Re: [PATCH 1/2] usb: gadget: uvc: constify vb2_ops structure

[Laurent Pinchart]

Hello Julia,

Thank you for the patch.

On Tuesday, 30 October 2018 17:31:21 EET Julia Lawall wrote:
> The vb2_ops structure can be const as it is only stored in the ops
> field of a vb2_queue structure and this field is const.
> 
> Done with the help of Coccinelle.
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

and applied to my tree.

> ---
>  drivers/usb/gadget/function/uvc_queue.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/gadget/function/uvc_queue.c
> b/drivers/usb/gadget/function/uvc_queue.c index 9e33d5206d54..526a10a33094
> 100644
> --- a/drivers/usb/gadget/function/uvc_queue.c
> +++ b/drivers/usb/gadget/function/uvc_queue.c
> @@ -102,7 +102,7 @@ static void uvc_buffer_queue(struct vb2_buffer *vb)
>  	spin_unlock_irqrestore(&queue->irqlock, flags);
>  }
> 
> -static struct vb2_ops uvc_queue_qops = {
> +static const struct vb2_ops uvc_queue_qops = {
>  	.queue_setup = uvc_queue_setup,
>  	.buf_prepare = uvc_buffer_prepare,
>  	.buf_queue = uvc_buffer_queue,

-- 
Regards,

Laurent Pinchart