From 57e4c53633a742635fda17d3ee7bfca22eb05151 Mon Sep 17 00:00:00 2001
From: Sup Yut Sum <ch3cooli@gmail.com>
Date: Fri, 19 Apr 2013 07:51:56 +0800
Subject: [PATCH] Fix dereferencing null pointer in git_close_log

Signed-off-by: Sup Yut Sum <ch3cooli@gmail.com>
---
 ext/gitdll/gitdll.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/ext/gitdll/gitdll.c b/ext/gitdll/gitdll.c
index 3aa8e9c08..588ef2307 100644
--- a/ext/gitdll/gitdll.c
+++ b/ext/gitdll/gitdll.c
@@ -441,7 +441,8 @@ int git_close_log(GIT_LOG handle)
 	}
 	free_all_pack();
 
-	free_notes(*display_notes_trees);
+	if (display_notes_trees)
+		free_notes(*display_notes_trees);
 	display_notes_trees = 0;
 	return 0;
 }
-- 
2.11.4.GIT