From 1e09705bd75f713e365753a2c2fd70529a08f206 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dag-Erling=20Sm=C3=B8rgrav?= <des@des.no>
Date: Tue, 7 Feb 2017 12:03:19 +0000
Subject: [PATCH] Fix FREEV() when v is NULL.

git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@915 185d5e19-27fe-0310-9dcf-9bff6b9f3609
---
 lib/libpam/openpam_impl.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/lib/libpam/openpam_impl.h b/lib/libpam/openpam_impl.h
index 12c8542..ef8a90a 100644
--- a/lib/libpam/openpam_impl.h
+++ b/lib/libpam/openpam_impl.h
@@ -161,11 +161,11 @@ pam_module_t	*openpam_dynamic(const char *)
 
 #define FREEV(c, v)				\
 	do {					\
-		while (c) {			\
-			--(c);			\
-			FREE((v)[(c)]);		\
+		if ((v) != NULL) {		\
+			while ((c)-- > 0)	\
+				FREE((v)[(c)]);	\
+			FREE(v);		\
 		}				\
-		FREE(v);			\
 	} while (0)
 
 #include "openpam_constants.h"