From a1c87df26077aaaa8cd644c3d5400cbbd61a3379 Mon Sep 17 00:00:00 2001
From: Nicolas Williams <nico@cryptonector.com>
Date: Tue, 24 Mar 2015 11:47:58 -0500
Subject: [PATCH] Add guard in krb5_free_creds()

Don't call krb5_free_contents() if the creds pointer is NULL.

MIT krb5 also has this guard.
---
 lib/krb5/creds.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/krb5/creds.c b/lib/krb5/creds.c
index 78f501b1e..16e3f5780 100644
--- a/lib/krb5/creds.c
+++ b/lib/krb5/creds.c
@@ -160,8 +160,9 @@ krb5_copy_creds (krb5_context context,
 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
 krb5_free_creds (krb5_context context, krb5_creds *c)
 {
-    krb5_free_cred_contents (context, c);
-    free (c);
+    if (c != NULL)
+        krb5_free_cred_contents(context, c);
+    free(c);
     return 0;
 }
 
-- 
2.11.4.GIT