V4L/DVB: cx231xx: improve error handling

Return -EINVAL if we don't find the 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 08:30:10 -03:00 committed by Mauro Carvalho Chehab
parent f76280154c
commit 8e47567f7d
1 changed files with 4 additions and 1 deletions

View File

@ -1902,9 +1902,12 @@ static int radio_queryctrl(struct file *file, void *priv,
if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
return -EINVAL;
if (c->id == V4L2_CID_AUDIO_MUTE) {
for (i = 0; i < CX231XX_CTLS; i++)
for (i = 0; i < CX231XX_CTLS; i++) {
if (cx231xx_ctls[i].v.id == c->id)
break;
}
if (i == CX231XX_CTLS)
return -EINVAL;
*c = cx231xx_ctls[i].v;
} else
*c = no_ctl;