block: Fix leak of ignore_children in error path

Reported-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Fam Zheng 2018-03-15 11:51:57 +08:00 committed by Kevin Wolf
parent 4f8e3a1f22
commit 2c860e797a

View File

@ -3679,12 +3679,12 @@ int bdrv_drop_intermediate(BlockDriverState *top, BlockDriverState *base,
GSList *ignore_children = g_slist_prepend(NULL, c);
bdrv_check_update_perm(base, NULL, c->perm, c->shared_perm,
ignore_children, &local_err);
g_slist_free(ignore_children);
if (local_err) {
ret = -EPERM;
error_report_err(local_err);
goto exit;
}
g_slist_free(ignore_children);
/* If so, update the backing file path in the image file */
if (c->role->update_filename) {