From 47d4a4d009a9dcf186b4c4887eb741f8f7668e2b Mon Sep 17 00:00:00 2001
From: bjh21 <bjh21@NetBSD.org>
Date: Wed, 27 Dec 2000 16:35:37 +0000
Subject: [PATCH] Extra diagnostic assertion:  subtle pmap bugs can ultimately
 lead to trying to use NULL credentials for NFS ops, so spot them before we
 dereference them.

---
 sys/nfs/nfs_socket.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/nfs/nfs_socket.c b/sys/nfs/nfs_socket.c
index d4f675b5d104..992e45fc0982 100644
--- a/sys/nfs/nfs_socket.c
+++ b/sys/nfs/nfs_socket.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: nfs_socket.c,v 1.63 2000/12/10 23:17:01 fvdl Exp $	*/
+/*	$NetBSD: nfs_socket.c,v 1.64 2000/12/27 16:35:37 bjh21 Exp $	*/
 
 /*
  * Copyright (c) 1989, 1991, 1993, 1995
@@ -916,6 +916,7 @@ nfs_request(vp, mrest, procnum, procp, cred, mrp, mdp, dposp)
 	struct nfsnode *np;
 #endif
 
+	KASSERT(cred != NULL);
 	nmp = VFSTONFS(vp->v_mount);
 	MALLOC(rep, struct nfsreq *, sizeof(struct nfsreq), M_NFSREQ, M_WAITOK);
 	rep->r_nmp = nmp;