From fcc439c9fd860bc6d03c81889fb5178be2aecc9b Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@highsecure.ru>
Date: Wed, 23 Aug 2017 20:13:25 +0100
Subject: [PATCH] [Minor] Fix sanity check

---
 src/libutil/mem_pool.c | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/libutil/mem_pool.c b/src/libutil/mem_pool.c
index 4861a2127..db7cf298c 100644
--- a/src/libutil/mem_pool.c
+++ b/src/libutil/mem_pool.c
@@ -645,9 +645,13 @@ rspamd_mempool_delete (rspamd_mempool_t * pool)
 	POOL_MTX_LOCK ();
 
 	/* Find free space in pool chain */
-	cur = pool->pools[RSPAMD_MEMPOOL_NORMAL] != NULL ?
-		g_ptr_array_index (pool->pools[RSPAMD_MEMPOOL_NORMAL],
-				pool->pools[RSPAMD_MEMPOOL_NORMAL]->len - 1) : NULL;
+	cur = NULL;
+
+	if (pool->pools[RSPAMD_MEMPOOL_NORMAL] != NULL &&
+			pool->pools[RSPAMD_MEMPOOL_NORMAL]->len > 0) {
+		cur = g_ptr_array_index (pool->pools[RSPAMD_MEMPOOL_NORMAL],
+				pool->pools[RSPAMD_MEMPOOL_NORMAL]->len - 1);
+	}
 
 	if (cur) {
 		pool->entry->elts[pool->entry->cur_elts].leftover +=
-- 
2.39.5