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V4L/DVB: cx88: improve error handling

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Return -EINVAL if we don't find the right query control id.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dan Carpenter 2010-04-02 08:31:50 -03:00 committed by Mauro Carvalho Chehab
parent 8e47567f7d
commit a41b2ea73a
1 changed files with 4 additions and 1 deletions
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5
drivers/media/video/cx88/cx88-video.c
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@ -1538,9 +1538,12 @@ static int radio_queryctrl (struct file *file, void *priv,
c->id >= V4L2_CID_LASTP1)
return -EINVAL;
if (c->id == V4L2_CID_AUDIO_MUTE) {
for (i = 0; i < CX8800_CTLS; i++)
for (i = 0; i < CX8800_CTLS; i++) {
if (cx8800_ctls[i].v.id == c->id)
break;
}
if (i == CX8800_CTLS)
return -EINVAL;
*c = cx8800_ctls[i].v;
} else
*c = no_ctl;