From 9d44676b1566820f70371e1b50e1dca9a19a8e9f Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Thu, 5 Jun 2008 13:26:13 -0700
Subject: [PATCH] crush: add a few assertions to catch badness early

---
 src/crush/mapper.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/crush/mapper.c b/src/crush/mapper.c
index 665b1371acc57..e3b0cbf1b01f8 100644
--- a/src/crush/mapper.c
+++ b/src/crush/mapper.c
@@ -222,6 +222,7 @@ static int crush_choose(struct crush_map *map,
 					BUG_ON(1);
 					item = in->items[0];
 				}
+				BUG_ON(item >= map->max_devices);
 				
 				/* desired type? */
 				if (item < 0) 
@@ -294,6 +295,7 @@ int crush_do_rule(struct crush_map *map,
 	int i,j;
 	int numrep;
 	
+	BUG_ON(ruleno >= map->max_rules);
 	rule = map->rules[ruleno];
 	result_len = 0;
 	w = a;
-- 
2.39.5