diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-video.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index f13c40e653c1..596b46e7bc51 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -1239,7 +1239,7 @@ static int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i) dprintk(1, "%s()\n", __func__); n = i->index; - if (n >= 4) + if (n >= MAX_CX23885_INPUT) return -EINVAL; if (0 == INPUT(n)->type) @@ -1279,11 +1279,14 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i) dprintk(1, "%s(%d)\n", __func__, i); - if (i >= 4) { + if (i >= MAX_CX23885_INPUT) { dprintk(1, "%s() -EINVAL\n", __func__); return -EINVAL; } + if (INPUT(i)->type == 0) + return -EINVAL; + mutex_lock(&dev->lock); cx23885_video_mux(dev, i); mutex_unlock(&dev->lock); |