[Qemu-block] [PATCH] block: Fix leak of ignore_children in error path

[Fam Zheng]

Reported-by: Max Reitz <address@hidden>
Signed-off-by: Fam Zheng <address@hidden>
---
 block.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block.c b/block.c
index 75a9fd49de..c1fda9fd57 100644
--- a/block.c
+++ b/block.c
@@ -3671,12 +3671,12 @@ 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) {
-- 
2.14.3