1 files changed, 5 insertions, 5 deletions

diff --git a/block.c b/block.c
index 7178872560..d7b94794f4 100644
--- a/block.c
+++ b/block.c
@@ -1079,11 +1079,11 @@ static int bdrv_backing_update_filename(BdrvChild *c, BlockDriverState *base,
                                         const char *filename, Error **errp)
 {
     BlockDriverState *parent = c->opaque;
-    int orig_flags = bdrv_get_flags(parent);
+    bool read_only = bdrv_is_read_only(parent);
     int ret;
 
-    if (!(orig_flags & BDRV_O_RDWR)) {
-        ret = bdrv_reopen(parent, orig_flags | BDRV_O_RDWR, errp);
+    if (read_only) {
+        ret = bdrv_reopen_set_read_only(parent, false, errp);
         if (ret < 0) {
             return ret;
         }
@@ -1095,8 +1095,8 @@ static int bdrv_backing_update_filename(BdrvChild *c, BlockDriverState *base,
         error_setg_errno(errp, -ret, "Could not update backing file link");
     }
 
-    if (!(orig_flags & BDRV_O_RDWR)) {
-        bdrv_reopen(parent, orig_flags, NULL);
+    if (read_only) {
+        bdrv_reopen_set_read_only(parent, true, NULL);
     }
 
     return ret;