From 68f335b8d6e3f96c0e35d2b2021d5995e0f536e7 Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Wed, 19 Aug 2009 21:36:10 +0000
Subject: [PATCH] libs/lmo: fix possible null pointer dereference in
 lmo_lookup() - thanks blogic

---
 libs/lmo/src/lmo_core.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libs/lmo/src/lmo_core.c b/libs/lmo/src/lmo_core.c
index 17467f21e..ab2410f46 100644
--- a/libs/lmo/src/lmo_core.c
+++ b/libs/lmo/src/lmo_core.c
@@ -207,8 +207,12 @@ int lmo_lookup(lmo_archive_t *ar, const char *key, char *dest, int len)
 {
 	uint32_t look_key = sfh_hash(key, strlen(key));
 	int copy_len = -1;
+	lmo_entry_t *entry;
 
-	lmo_entry_t *entry = ar->index;
+	if( !ar )
+		return copy_len;
+
+	entry = ar->index;
 
 	while( entry != NULL )
 	{
-- 
2.11.0