From aab9796f5580a988c46c130a727cdc398a05317b Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 5 May 2010 03:01:30 -0300 Subject: [PATCH] V4L/DVB: s2255drv: return if vdev not found 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 Cc: linux-dev@sensoray.com Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/s2255drv.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/s2255drv.c b/drivers/media/video/s2255drv.c index ac9c40cf5835..1f9a49e054a8 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 -- 2.20.1