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[media] rcar-vin: add missing error check to propagate error

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The return value of __rvin_try_format_source is not checked, add a check
and propagate the error.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Niklas Söderlund 2017-05-23 21:15:39 -03:00 committed by Mauro Carvalho Chehab
parent f8a668f72e
commit 8afb72eda5
1 changed files with 4 additions and 1 deletions
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5
drivers/media/platform/rcar-vin/rcar-v4l2.c
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@ -208,6 +208,7 @@ static int __rvin_try_format(struct rvin_dev *vin,
{
const struct rvin_video_format *info;
u32 rwidth, rheight, walign;
int ret;
/* Requested */
rwidth = pix->width;
@ -235,7 +236,9 @@ static int __rvin_try_format(struct rvin_dev *vin,
pix->sizeimage = 0;
/* Limit to source capabilities */
__rvin_try_format_source(vin, which, pix, source);
ret = __rvin_try_format_source(vin, which, pix, source);
if (ret)
return ret;
switch (pix->field) {
case V4L2_FIELD_TOP: