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From: Dan Carpenter on 2 Apr 2010 07:40
Return -EINVAL if we don't find the control id.

Signed-off-by: Dan Carpenter <error27(a)gmail.com>

diff --git a/drivers/media/video/cx231xx/cx231xx-video.c b/drivers/media/video/cx231xx/cx231xx-video.c
index d4f546f..5a74ef8 100644
--- a/drivers/media/video/cx231xx/cx231xx-video.c
+++ b/drivers/media/video/cx231xx/cx231xx-video.c
@@ -1901,9 +1901,12 @@ 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;
--
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