From: akpm@linux-foundation.org
To: mchehab@infradead.org
Cc: linux-media@vger.kernel.org, akpm@linux-foundation.org,
error27@gmail.com, dougsland@redhat.com,
laurent.pinchart@ideasonboard.com, xyzzy@speakeasy.org
Subject: [patch 11/11] cx231xx: improve error handling
Date: Tue, 27 Apr 2010 14:11:27 -0700 [thread overview]
Message-ID: <201004272111.o3RLBSEX020011@imap1.linux-foundation.org> (raw)
From: Dan Carpenter <error27@gmail.com>
Return -EINVAL if we don't find the control id.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Trent Piepho <xyzzy@speakeasy.org>
Cc: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
drivers/media/video/cx231xx/cx231xx-video.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff -puN drivers/media/video/cx231xx/cx231xx-video.c~cx231xx-improve-error-handling drivers/media/video/cx231xx/cx231xx-video.c
--- a/drivers/media/video/cx231xx/cx231xx-video.c~cx231xx-improve-error-handling
+++ a/drivers/media/video/cx231xx/cx231xx-video.c
@@ -1902,9 +1902,12 @@ static int radio_queryctrl(struct file *
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;
_
reply other threads:[~2010-04-27 21:23 UTC|newest]
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