From: Jo-Philipp Wich <jow@openwrt.org>
Date: Wed, 19 Aug 2009 21:36:10 +0000 (+0000)
Subject: libs/lmo: fix possible null pointer dereference in lmo_lookup() - thanks blogic
X-Git-Tag: 0.10.0~1169
X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=commitdiff_plain;h=68f335b8d6e3f96c0e35d2b2021d5995e0f536e7

libs/lmo: fix possible null pointer dereference in lmo_lookup() - thanks blogic
---

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 )
 	{