We have an errp and bdrv_root_attach_child can fail permission check, error_abort is not the best choice here.
Signed-off-by: Fam Zheng <f...@redhat.com> --- block/block-backend.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/block/block-backend.c b/block/block-backend.c index daa7908..4eab68f 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -213,7 +213,11 @@ BlockBackend *blk_new_open(const char *filename, const char *reference, } blk->root = bdrv_root_attach_child(bs, "root", &child_root, - perm, BLK_PERM_ALL, blk, &error_abort); + perm, BLK_PERM_ALL, blk, errp); + if (!blk->root) { + blk_unref(blk); + return NULL; + } return blk; } -- 2.9.3