diff options
author | Hans Verkuil <hans.verkuil@cisco.com> | 2013-04-13 14:39:19 +0400 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-04-17 01:02:23 +0400 |
commit | 6b1dce251fa21caea4e0021fd3fd0d8dcdece784 (patch) | |
tree | c2c4865afb070de8d74d0b44ebc594275231348b /drivers/media/pci/cx25821/cx25821-video.c | |
parent | a8f35ce3d6f5b776463f03403e0319c2415401f7 (diff) | |
download | linux-6b1dce251fa21caea4e0021fd3fd0d8dcdece784.tar.xz |
[media] cx25821: s_input didn't check for invalid input
The s_input implementation allowed input 1 even if that didn't exist.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-video.c')
-rw-r--r-- | drivers/media/pci/cx25821/cx25821-video.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-video.c b/drivers/media/pci/cx25821/cx25821-video.c index a9aa09651cab..9ddc7ac03a73 100644 --- a/drivers/media/pci/cx25821/cx25821-video.c +++ b/drivers/media/pci/cx25821/cx25821-video.c @@ -1163,10 +1163,8 @@ int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i) return err; } - if (i >= CX25821_NR_INPUT) { - dprintk(1, "%s(): -EINVAL\n", __func__); + if (i >= CX25821_NR_INPUT || INPUT(i)->type == 0) return -EINVAL; - } mutex_lock(&dev->lock); cx25821_video_mux(dev, i); |