lkml.org 
[lkml]   [2017]   [Nov]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Date
SubjectRe: [PATCH] media: v4l: async: fix return of unitialized variable ret
Hi Colin,

Thanks for your patch.

On 2017-11-03 06:58:27 +0000, Colin King wrote:
> From: Colin Ian King <colin.king@canonical.com>
>
> A shadow declaration of variable ret is being assigned a return error
> status and this value is being lost when the error exit goto's jump
> out of the local scope. This leads to an uninitalized error return value
> in the outer scope being returned. Fix this by removing the inner scoped
> declaration of variable ret.
>
> Detected by CoverityScan, CID#1460380 ("Uninitialized scalar variable")
>
> Fixes: fb45f436b818 ("media: v4l: async: Fix notifier complete callback error handling")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>

> ---
> drivers/media/v4l2-core/v4l2-async.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
> index 49f7eccc76db..7020b2e6d158 100644
> --- a/drivers/media/v4l2-core/v4l2-async.c
> +++ b/drivers/media/v4l2-core/v4l2-async.c
> @@ -550,7 +550,6 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd)
> struct v4l2_device *v4l2_dev =
> v4l2_async_notifier_find_v4l2_dev(notifier);
> struct v4l2_async_subdev *asd;
> - int ret;
>
> if (!v4l2_dev)
> continue;
> --
> 2.14.1
>

--
Regards,
Niklas Söderlund

\
 
 \ /
  Last update: 2017-11-03 08:37    [W:0.040 / U:0.152 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site