Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

[mirror_qemu.git] / block / blkreplay.c

diff --git a/block/blkreplay.c b/block/blkreplay.c
index 04f53eea417b3d977df2baf5d9f778cc6b901343..792d980aa9df8cf09603954cc3853ef2373e3dc8 100644 (file)
--- a/block/blkreplay.c
+++ b/block/blkreplay.c
@@ -130,7 +130,13 @@ static int coroutine_fn GRAPH_RDLOCK blkreplay_co_flush(BlockDriverState *bs)
 static int blkreplay_snapshot_goto(BlockDriverState *bs,
                                    const char *snapshot_id)
 {
-    return bdrv_snapshot_goto(bs->file->bs, snapshot_id, NULL);
+    BlockDriverState *file_bs;
+
+    bdrv_graph_rdlock_main_loop();
+    file_bs = bs->file->bs;
+    bdrv_graph_rdunlock_main_loop();
+
+    return bdrv_snapshot_goto(file_bs, snapshot_id, NULL);
 }
 
 static BlockDriver bdrv_blkreplay = {