From: songbaisen <song.baisen@zte.com.cn>
Date: Tue, 26 Jan 2016 01:58:23 +0000 (+0800)
Subject: Crush: add some safe judgment
X-Git-Tag: v10.0.4~99^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=54aef927c9bbf1c039088e30bce564c91dd2a767;p=ceph.git

Crush: add some safe judgment

Fixes: #14496
Signed-off-by: song baisen song.baisen@zte.com.cn
---

diff --git a/src/crush/builder.c b/src/crush/builder.c
index 1212e4be2d37..387c8beceb85 100644
--- a/src/crush/builder.c
+++ b/src/crush/builder.c
@@ -176,7 +176,7 @@ int crush_add_bucket(struct crush_map *map,
 int crush_remove_bucket(struct crush_map *map, struct crush_bucket *bucket)
 {
 	int pos = -1 - bucket->id;
-
+       assert(pos < map->max_buckets);
 	map->buckets[pos] = NULL;
 	crush_destroy_bucket(bucket);
 	return 0;