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-rw-r--r--nis/nis_ismember.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/nis/nis_ismember.c b/nis/nis_ismember.c
index 178b4890ef..f3f9bc9540 100644
--- a/nis/nis_ismember.c
+++ b/nis/nis_ismember.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 1997, 1998, 1999, 2006 Free Software Foundation, Inc.
+/* Copyright (c) 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Thorsten Kukuk <kukuk@suse.de>, 1997.
@@ -47,7 +47,8 @@ internal_ismember (const_nis_name principal, const_nis_name group)
res = nis_lookup (buf, EXPAND_NAME|FOLLOW_LINKS);
if (res == NULL || NIS_RES_STATUS (res) != NIS_SUCCESS)
{
- nis_freeresult (res);
+ if (res)
+ nis_freeresult (res);
return 0;
}