From 4ef872a4c569172a3d2dec2d1aa39dfcf6e4f8a8 Mon Sep 17 00:00:00 2001
From: Luoqi Chen <luoqi@FreeBSD.org>
Date: Tue, 1 Sep 1998 02:31:52 +0000
Subject: Check for NULL pointer before freeing a struct sockaddr. m_freem()
 can handle NULL, buf free() can't.

---
 sys/nfsserver/nfs_syscalls.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'sys/nfsserver')

diff --git a/sys/nfsserver/nfs_syscalls.c b/sys/nfsserver/nfs_syscalls.c
index c6b92d5f597e..abf3383e709d 100644
--- a/sys/nfsserver/nfs_syscalls.c
+++ b/sys/nfsserver/nfs_syscalls.c
@@ -34,7 +34,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)nfs_syscalls.c	8.5 (Berkeley) 3/30/95
- * $Id: nfs_syscalls.c,v 1.41 1998/05/31 20:08:55 peter Exp $
+ * $Id: nfs_syscalls.c,v 1.42 1998/08/23 03:07:16 wollman Exp $
  */
 
 #include <sys/param.h>
@@ -721,7 +721,8 @@ nfssvc_nfsd(nsd, argp, p)
 			if (nfsrtton)
 				nfsd_rt(sotype, nd, cacherep);
 			m_freem(nd->nd_mrep);
-			FREE(nd->nd_nam2, M_SONAME);
+			if (nd->nd_nam2)
+				FREE(nd->nd_nam2, M_SONAME);
 			break;
 		    };
 		    if (nd) {
-- 
cgit v1.2.3