[src/trunk]: src/sys/kern Deal with M_COPYALL becoming -ve properly in m_copym0.

[skrll <skrll%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c531a9d5f810
branches:  trunk
changeset: 791363:c531a9d5f810
user:      skrll <skrll%NetBSD.org@localhost>
date:      Thu Nov 14 09:21:30 2013 +0000

description:
Deal with M_COPYALL becoming -ve properly in m_copym0.

 I can now mount via nfs again.

diffstat:

 sys/kern/uipc_mbuf.c |  6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diffs (27 lines):

diff -r e845b18f16bb -r c531a9d5f810 sys/kern/uipc_mbuf.c
--- a/sys/kern/uipc_mbuf.c      Thu Nov 14 09:11:39 2013 +0000
+++ b/sys/kern/uipc_mbuf.c      Thu Nov 14 09:21:30 2013 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: uipc_mbuf.c,v 1.154 2013/11/14 00:50:36 christos Exp $ */
+/*     $NetBSD: uipc_mbuf.c,v 1.155 2013/11/14 09:21:30 skrll Exp $    */
 
 /*-
  * Copyright (c) 1999, 2001 The NetBSD Foundation, Inc.
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uipc_mbuf.c,v 1.154 2013/11/14 00:50:36 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uipc_mbuf.c,v 1.155 2013/11/14 09:21:30 skrll Exp $");
 
 #include "opt_mbuftrace.h"
 #include "opt_nmbclusters.h"
@@ -749,7 +749,7 @@
        }
        np = &top;
        top = 0;
-       while (len > 0) {
+       while (len == M_COPYALL || len > 0) {
                if (m == 0) {
                        if (len != M_COPYALL)
                                panic("m_copym: m == 0, len %d [!COPYALL]",