From a9e1f6d927223b4855cd8280d7c986654d3b4d3c Mon Sep 17 00:00:00 2001
From: "Alan T. DeKok" <aland@freeradius.org>
Date: Fri, 26 May 2017 10:54:14 -0400
Subject: [PATCH] check before dereference.

Found by PVS-Studio
---
 src/modules/rlm_passwd/rlm_passwd.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/modules/rlm_passwd/rlm_passwd.c b/src/modules/rlm_passwd/rlm_passwd.c
index e8cd8af..b6b9ba0 100644
--- a/src/modules/rlm_passwd/rlm_passwd.c
+++ b/src/modules/rlm_passwd/rlm_passwd.c
@@ -134,10 +134,11 @@ static void release_hash_table(struct hashtable * ht){
 	int i;
 
 	if (!ht) return;
-	for (i = 0; i < ht->tablesize; i++)
-		if (ht->table[i])
-			destroy_password(ht->table[i]);
 	if (ht->table) {
+		for (i = 0; i < ht->tablesize; i++) {
+			if (ht->table[i])
+				destroy_password(ht->table[i]);
+		}
 		free(ht->table);
 		ht->table = NULL;
 	}
-- 
2.1.4