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-rw-r--r--nis/nis_ping.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/nis/nis_ping.c b/nis/nis_ping.c
index 81afc5e8e3..d9924f9279 100644
--- a/nis/nis_ping.c
+++ b/nis/nis_ping.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.
@@ -39,7 +39,8 @@ nis_ping (const_nis_name dirname, unsigned int utime,
res = nis_lookup (dirname, MASTER_ONLY);
if (res == NULL || NIS_RES_STATUS (res) != NIS_SUCCESS)
{
- nis_freeresult (res);
+ if (res)
+ nis_freeresult (res);
return;
}
obj = res->objects.objects_val;
@@ -50,7 +51,8 @@ nis_ping (const_nis_name dirname, unsigned int utime,
/* Check if obj is really a diryectory object */
if (__type_of (obj) != NIS_DIRECTORY_OBJ)
{
- nis_freeresult (res);
+ if (res != NULL)
+ nis_freeresult (res);
return;
}
@@ -66,5 +68,6 @@ nis_ping (const_nis_name dirname, unsigned int utime,
NIS_PING, (xdrproc_t) _xdr_ping_args,
(caddr_t) &args, (xdrproc_t) xdr_void,
(caddr_t) NULL, 0, NULL);
- nis_freeresult (res);
+ if (res)
+ nis_freeresult (res);
}