diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c
index 4ab906be8962a9ec5fdfa976316f820dd463b49a..3581dea3c1f7161b9fa83c291f8cf3e69d273e20 100644
--- a/drivers/media/video/gspca/gspca.c
+++ b/drivers/media/video/gspca/gspca.c
@@ -1634,6 +1634,8 @@ static int vidioc_streamoff(struct file *file, void *priv,
 	gspca_dev->usb_err = 0;
 	gspca_stream_off(gspca_dev);
 	mutex_unlock(&gspca_dev->usb_lock);
+	/* In case another thread is waiting in dqbuf */
+	wake_up_interruptible(&gspca_dev->wq);
 
 	/* empty the transfer queues */
 	atomic_set(&gspca_dev->fr_q, 0);