1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index 1c8cd0ef4a65..3ae71a340822 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -110,6 +110,8 @@ static int ts_release(struct inode *inode, struct file *file)
 {
         struct saa7134_dev *dev = file->private_data;
 
+        mutex_lock(&dev->empress_tsq.vb_lock);
+
         videobuf_stop(&dev->empress_tsq);
         videobuf_mmap_free(&dev->empress_tsq);
 
@@ -122,6 +124,8 @@ static int ts_release(struct inode *inode, struct file *file)
 
         dev->empress_users--;
 
+        mutex_unlock(&dev->empress_tsq.vb_lock);
+
         return 0;
 }