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[media] ml86v7667: fix compile warning: 'ret' set but not used 

media_build/v4l/ml86v7667.c: In function 'ml86v7667_s_ctrl':
media_build/v4l/ml86v7667.c:120:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
  int ret;
      ^
And indeed, ret is set but not used. Let's actually return the error
code.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2013-06-30 04:40:32 -03:00 committed by Mauro Carvalho Chehab
parent 8b64f75588
commit 3f1a94ba9f
1 changed files with 2 additions and 2 deletions
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4
drivers/media/i2c/ml86v7667.c
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@ -117,7 +117,7 @@ static int ml86v7667_s_ctrl(struct v4l2_ctrl *ctrl)
{ {
struct v4l2_subdev *sd = to_sd(ctrl); struct v4l2_subdev *sd = to_sd(ctrl);
struct i2c_client *client = v4l2_get_subdevdata(sd); struct i2c_client *client = v4l2_get_subdevdata(sd);
int ret; int ret = -EINVAL;
switch (ctrl->id) { switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS: case V4L2_CID_BRIGHTNESS:
@ -157,7 +157,7 @@ static int ml86v7667_s_ctrl(struct v4l2_ctrl *ctrl)
break; break;
} }
return 0; return ret;
} }
static int ml86v7667_querystd(struct v4l2_subdev *sd, v4l2_std_id *std) static int ml86v7667_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)