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 <famz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
}
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) {
+ bdrv_unref(bs);
+ blk_unref(blk);
+ return NULL;
+ }
return blk;
}