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media: v4l2-ctrls.c: initialize an error return code with zero 

Fix this smatch error:

drivers/media/v4l2-core/v4l2-ctrls.c:2971 v4l2_ctrl_request_clone() error: uninitialized symbol 'err'.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Hans Verkuil 2018-09-14 05:56:28 -04:00 committed by Mauro Carvalho Chehab
parent 9e39b43612
commit 7390ba4397
1 changed files with 1 additions and 1 deletions
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2
drivers/media/v4l2-core/v4l2-ctrls.c
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@ -2879,7 +2879,7 @@ static int v4l2_ctrl_request_clone(struct v4l2_ctrl_handler *hdl,
const struct v4l2_ctrl_handler *from)
{
struct v4l2_ctrl_ref *ref;
int err;
int err = 0;
if (WARN_ON(!hdl || hdl == from))
return -EINVAL;