diff options
Diffstat (limited to 'linux/drivers')
| -rw-r--r-- | linux/drivers/media/video/em28xx/em28xx-video.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-video.c b/linux/drivers/media/video/em28xx/em28xx-video.c index ff960f90c..9ac643abb 100644 --- a/linux/drivers/media/video/em28xx/em28xx-video.c +++ b/linux/drivers/media/video/em28xx/em28xx-video.c @@ -622,10 +622,8 @@ static void res_free(struct em28xx_fh *fh) { struct em28xx *dev = fh->dev; - mutex_lock(&dev->lock); fh->stream_on = 0; dev->stream_on = 0; - mutex_unlock(&dev->lock); } /* @@ -1293,7 +1291,9 @@ static int vidioc_streamoff(struct file *file, void *priv, return -EINVAL; videobuf_streamoff(&fh->vb_vidq); + mutex_lock(&dev->lock); res_free(fh); + mutex_unlock(&dev->lock); return 0; } @@ -1740,11 +1740,10 @@ static int em28xx_v4l2_close(struct inode *inode, struct file *filp) em28xx_videodbg("users=%d\n", dev->users); + mutex_lock(&dev->lock); if (res_check(fh)) res_free(fh); - mutex_lock(&dev->lock); - if (dev->users == 1) { videobuf_stop(&fh->vb_vidq); videobuf_mmap_free(&fh->vb_vidq); |