From 54d642ad7de87bb33606ccbb047cf50aa9f4063f Mon Sep 17 00:00:00 2001
From: Sergey Kandaurov <pluknet@FreeBSD.org>
Date: Sat, 5 May 2012 09:34:35 +0000
Subject: [PATCH] Fix mount mutex handling missed in r234386.

---
 sys/nfsclient/nfs_vfsops.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/nfsclient/nfs_vfsops.c b/sys/nfsclient/nfs_vfsops.c
index b2586c3d7ec5..91727036d212 100644
--- a/sys/nfsclient/nfs_vfsops.c
+++ b/sys/nfsclient/nfs_vfsops.c
@@ -1452,6 +1452,7 @@ nfs_sync(struct mount *mp, int waitfor)
 		MNT_IUNLOCK(mp);
 		return (EBADF);
 	}
+	MNT_IUNLOCK(mp);
 
 	/*
 	 * Force stale buffer cache information to be flushed.