Fix FREEV() when v is NULL.

git-svn-id: svn+ssh://svn.openpam.org/svn/openpam/trunk@915 185d5e19-27fe-0310-9dcf-9bff6b9f3609
2017-02-07 12:03:19 +00:00 · 2017-02-07 12:03:19 +00:00 · 1e09705bd7
parent c5a320988e
commit 1e09705bd7
1 changed files with 4 additions and 4 deletions
--- 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"