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* [patch] cx88: improve error handling
@ 2010-04-02 11:31 Dan Carpenter
  0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2010-04-02 11:31 UTC (permalink / raw)
  To: Mauro Carvalho Chehab
  Cc: Hans Verkuil, Laurent Pinchart, Andrew Morton, Devin Heitmueller,
	linux-media, linux-kernel, kernel-janitors

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

Signed-off-by: Dan Carpenter <error27@gmail.com>

diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index 48c450f..b4c80cb 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1537,9 +1537,12 @@ 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;

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2010-04-02 11:31 [patch] cx88: improve error handling Dan Carpenter

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