From: Dan Carpenter <error27@xxxxxxxxx>
Return -EINVAL if we don't find the right query control id.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
Cc: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
Cc: Hans Verkuil <hverkuil@xxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/media/video/cx88/cx88-video.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff -puN drivers/media/video/cx88/cx88-video.c~cx88-improve-error-handling drivers/media/video/cx88/cx88-video.c
--- a/drivers/media/video/cx88/cx88-video.c~cx88-improve-error-handling
+++ a/drivers/media/video/cx88/cx88-video.c
@@ -1537,9 +1537,12 @@ static int radio_queryctrl (struct file
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;
_
--
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