diff mbox

[07/10] mem2mem-emmaprp: Remove unneeded struct vb2_queue clear on queue_init()

Message ID 1345727311-27478-7-git-send-email-elezegarcia@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Ezequiel Garcia Aug. 23, 2012, 1:08 p.m. UTC
queue_init() is always called by v4l2_m2m_ctx_init(), which allocates
a context struct v4l2_m2m_ctx with kzalloc.
Therefore, there is no need to clear vb2_queue src/dst structs.

Cc: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
---
 drivers/media/platform/mx2_emmaprp.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

Comments

Javier Martin Aug. 24, 2012, 6:22 a.m. UTC | #1
On 23 August 2012 15:08, Ezequiel Garcia <elezegarcia@gmail.com> wrote:
> queue_init() is always called by v4l2_m2m_ctx_init(), which allocates
> a context struct v4l2_m2m_ctx with kzalloc.
> Therefore, there is no need to clear vb2_queue src/dst structs.
>
> Cc: Javier Martin <javier.martin@vista-silicon.com>
> Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
> ---
>  drivers/media/platform/mx2_emmaprp.c |    2 --
>  1 files changed, 0 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c
> index dab380a..59aaca4 100644
> --- a/drivers/media/platform/mx2_emmaprp.c
> +++ b/drivers/media/platform/mx2_emmaprp.c
> @@ -757,7 +757,6 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
>         struct emmaprp_ctx *ctx = priv;
>         int ret;
>
> -       memset(src_vq, 0, sizeof(*src_vq));
>         src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
>         src_vq->io_modes = VB2_MMAP | VB2_USERPTR;
>         src_vq->drv_priv = ctx;
> @@ -769,7 +768,6 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
>         if (ret)
>                 return ret;
>
> -       memset(dst_vq, 0, sizeof(*dst_vq));
>         dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
>         dst_vq->io_modes = VB2_MMAP | VB2_USERPTR;
>         dst_vq->drv_priv = ctx;
> --
> 1.7.8.6
>

Acked-By: Javier Martin <javier.martin@vista-silicon.com>
diff mbox

Patch

diff --git a/drivers/media/platform/mx2_emmaprp.c b/drivers/media/platform/mx2_emmaprp.c
index dab380a..59aaca4 100644
--- a/drivers/media/platform/mx2_emmaprp.c
+++ b/drivers/media/platform/mx2_emmaprp.c
@@ -757,7 +757,6 @@  static int queue_init(void *priv, struct vb2_queue *src_vq,
 	struct emmaprp_ctx *ctx = priv;
 	int ret;
 
-	memset(src_vq, 0, sizeof(*src_vq));
 	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
 	src_vq->io_modes = VB2_MMAP | VB2_USERPTR;
 	src_vq->drv_priv = ctx;
@@ -769,7 +768,6 @@  static int queue_init(void *priv, struct vb2_queue *src_vq,
 	if (ret)
 		return ret;
 
-	memset(dst_vq, 0, sizeof(*dst_vq));
 	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 	dst_vq->io_modes = VB2_MMAP | VB2_USERPTR;
 	dst_vq->drv_priv = ctx;