diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 449123eb54bf..0d74d75260ef 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -3399,10 +3399,12 @@ void drbd_uuid_new_current(struct drbd_device *device) __must_hold(local)
 void drbd_uuid_set_bm(struct drbd_device *device, u64 val) __must_hold(local)
 {
 	unsigned long flags;
-	if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0)
-		return;
-
 	spin_lock_irqsave(&device->ldev->md.uuid_lock, flags);
+	if (device->ldev->md.uuid[UI_BITMAP] == 0 && val == 0) {
+		spin_unlock_irqrestore(&device->ldev->md.uuid_lock, flags);
+		return;
+	}
+
 	if (val == 0) {
 		drbd_uuid_move_history(device);
 		device->ldev->md.uuid[UI_HISTORY_START] = device->ldev->md.uuid[UI_BITMAP];