diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index b2d347d18c7d..67e0fc542249 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -3173,14 +3173,18 @@ void drbd_free_bc(struct drbd_backing_dev *ldev)
 void drbd_free_sock(struct drbd_conf *mdev)
 {
 	if (mdev->data.socket) {
+		mutex_lock(&mdev->data.mutex);
 		kernel_sock_shutdown(mdev->data.socket, SHUT_RDWR);
 		sock_release(mdev->data.socket);
 		mdev->data.socket = NULL;
+		mutex_unlock(&mdev->data.mutex);
 	}
 	if (mdev->meta.socket) {
+		mutex_lock(&mdev->meta.mutex);
 		kernel_sock_shutdown(mdev->meta.socket, SHUT_RDWR);
 		sock_release(mdev->meta.socket);
 		mdev->meta.socket = NULL;
+		mutex_unlock(&mdev->meta.mutex);
 	}
 }
 
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 41f36a9cd407..d803e6c257e2 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -3617,10 +3617,7 @@ static void drbd_disconnect(struct drbd_conf *mdev)
 
 	/* asender does not clean up anything. it must not interfere, either */
 	drbd_thread_stop(&mdev->asender);
-
-	mutex_lock(&mdev->data.mutex);
 	drbd_free_sock(mdev);
-	mutex_unlock(&mdev->data.mutex);
 
 	spin_lock_irq(&mdev->req_lock);
 	_drbd_wait_ee_list_empty(mdev, &mdev->active_ee);