* [patch -next 1/2] media/s2255drv: return if vdev not found
@ 2010-05-05 6:01 Dan Carpenter
0 siblings, 0 replies; only message in thread
From: Dan Carpenter @ 2010-05-05 6:01 UTC (permalink / raw)
To: linux-media; +Cc: Mauro Carvalho Chehab
The original code didn't handle the case where vdev was not found so I
added a check for that.
Signed-off-by: Dan Carpenter <error27@gmail.com>
diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c
index ac9c40c..1f9a49e 100644
--- a/drivers/media/video/s2255drv.c
+++ b/drivers/media/video/s2255drv.c
@@ -1716,11 +1716,15 @@ static int s2255_open(struct file *file)
dprintk(1, "s2255: open called (dev=%s)\n",
video_device_node_name(vdev));
- for (i = 0; i < MAX_CHANNELS; i++)
+ for (i = 0; i < MAX_CHANNELS; i++) {
if (&dev->vdev[i] == vdev) {
cur_channel = i;
break;
}
+ }
+ if (i == MAX_CHANNELS)
+ return -ENODEV;
+
/*
* open lock necessary to prevent multiple instances
* of v4l-conf (or other programs) from simultaneously
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