From 7bb55def7731dd64585a6677bacca207c2a8c701 Mon Sep 17 00:00:00 2001
From: Rick Macklem <rmacklem@FreeBSD.org>
Date: Wed, 22 Jun 2011 21:10:12 +0000
Subject: [PATCH] Plug an mbuf leak in the new NFS client that occurred when a
 server replied NFS3ERR_JUKEBOX/NFS4ERR_DELAY to an rpc. This affected both
 NFSv3 and NFSv4. Found during testing at the recent NFSv4 interoperability
 Bakeathon.

MFC after:	2 weeks
---
 sys/fs/nfs/nfs_commonkrpc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/fs/nfs/nfs_commonkrpc.c b/sys/fs/nfs/nfs_commonkrpc.c
index c34ea87a0e3..f658ac8d3cb 100644
--- a/sys/fs/nfs/nfs_commonkrpc.c
+++ b/sys/fs/nfs/nfs_commonkrpc.c
@@ -733,6 +733,8 @@ tryagain:
 				while (NFSD_MONOSEC < waituntil)
 					(void) nfs_catnap(PZERO, 0, "nfstry");
 				trylater_delay *= 2;
+				m_freem(nd->nd_mrep);
+				nd->nd_mrep = NULL;
 				goto tryagain;
 			}