--- x/drivers/media/usb/siano/smsusb.c
+++ y/drivers/media/usb/siano/smsusb.c
@@ -173,11 +173,11 @@ static int smsusb_submit_urb(struct smsu
 	return usb_submit_urb(&surb->urb, GFP_ATOMIC);
 }
 
-static void smsusb_stop_streaming(struct smsusb_device_t *dev)
+static void __smsusb_stop_streaming(struct smsusb_device_t *dev, int nr)
 {
 	int i;
 
-	for (i = 0; i < MAX_URBS; i++) {
+	for (i = 0; i < nr; i++) {
 		usb_kill_urb(&dev->surbs[i].urb);
 		cancel_work_sync(&dev->surbs[i].wq);
 
@@ -188,6 +188,11 @@ static void smsusb_stop_streaming(struct
 	}
 }
 
+static void smsusb_stop_streaming(struct smsusb_device_t *dev)
+{
+	__smsusb_stop_streaming(dev, MAX_URBS);
+}
+
 static int smsusb_start_streaming(struct smsusb_device_t *dev)
 {
 	int i, rc;
@@ -196,7 +201,7 @@ static int smsusb_start_streaming(struct
 		rc = smsusb_submit_urb(dev, &dev->surbs[i]);
 		if (rc < 0) {
 			pr_err("smsusb_submit_urb(...) failed\n");
-			smsusb_stop_streaming(dev);
+			__smsusb_stop_streaming(dev, i);
 			break;
 		}
 	}