From 9e00b0cadc2f9d9423bd9f27b45162ed81a4b438 Mon Sep 17 00:00:00 2001
From: Klas Lindfors <klas@yubico.com>
Date: Thu, 21 Nov 2013 14:38:32 +0100
Subject: [PATCH] free() filename before throwing the pointer away

avoids a memory-leak pointed out by @crosser
---
 util.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/util.c b/util.c
index 841a9ee..cf16bdd 100644
--- a/util.c
+++ b/util.c
@@ -220,6 +220,7 @@ get_user_challenge_file(YK_KEY *yk, const char *chalresp_path, const char *usern
       filename_malloced = 1;
       if (res < 0 || res > len) {
 	/* Not enough space, strangely enough. */
+	free(filename);
 	filename = NULL;
       }
     }