From 52555a78946cd91034f86eb4ad03c2d76cbef0cd Mon Sep 17 00:00:00 2001
From: Felipe Pena <felipensp@gmail.com>
Date: Sun, 20 Oct 2013 09:04:24 -0200
Subject: [PATCH] - Fixed possible NULL ptr dereference

---
 ext/phar/util.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ext/phar/util.c b/ext/phar/util.c
index 898d8bd4b2..227bd15dc7 100644
--- a/ext/phar/util.c
+++ b/ext/phar/util.c
@@ -1262,8 +1262,10 @@ alias_success:
 					spprintf(error, 0, "alias \"%s\" is already used for archive \"%s\" cannot be overloaded with \"%s\"", alias, (*fd_ptr)->fname, fname);
 				}
 				if (SUCCESS == phar_free_alias(*fd_ptr, alias, alias_len TSRMLS_CC)) {
-					efree(*error);
-					*error = NULL;
+					if (error) {
+						efree(*error);
+						*error = NULL;
+					}
 				}
 				return FAILURE;
 			}
-- 
2.40.0