diff options
Diffstat (limited to 'linux/drivers/media/video/ivtv/ivtv-ioctl.c')
| -rw-r--r-- | linux/drivers/media/video/ivtv/ivtv-ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/linux/drivers/media/video/ivtv/ivtv-ioctl.c b/linux/drivers/media/video/ivtv/ivtv-ioctl.c index 7d1a5e434..9a0c3df8d 100644 --- a/linux/drivers/media/video/ivtv/ivtv-ioctl.c +++ b/linux/drivers/media/video/ivtv/ivtv-ioctl.c @@ -912,6 +912,9 @@ int ivtv_v4l2_ioctls(struct ivtv *itv, struct file *filp, unsigned int cmd, void IVTV_DEBUG_INFO("Input unchanged\n"); break; } + if (atomic_read(&itv->capturing) > 0) { + return -EBUSY; + } IVTV_DEBUG_INFO("Changing input from %d to %d\n", itv->active_input, inp); |