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-rw-r--r--drivers/media/video/cx88/cx88-video.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index b993d42fe73..d6d6d13a6a6 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -926,8 +926,10 @@ static int video_release(struct file *file)
file->private_data = NULL;
kfree(fh);
+ mutex_lock(&dev->core->lock);
if(atomic_dec_and_test(&dev->core->users))
call_all(dev->core, tuner, s_standby);
+ mutex_unlock(&dev->core->lock);
return 0;
}