diff options
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index d6ada6226b54..d3485f500c5e 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -947,6 +947,12 @@ static int vidioc_s_fmt_cap(struct file *file, void *priv, goto out; } + if (dev->stream_on && !fh->stream_on) { + em28xx_errdev("%s device in use by another fh\n", __func__); + rc = -EBUSY; + goto out; + } + /* set new image size */ dev->width = f->fmt.pix.width; dev->height = f->fmt.pix.height; |