From 9e137ed5abcb21c0efffb1b6a7c48f2d21980303 Mon Sep 17 00:00:00 2001
From: Vasily Averin <vvs@virtuozzo.com>
Date: Mon, 30 Oct 2017 16:47:58 +0300
Subject: [PATCH] nlm_shutdown_hosts_net() cleanup

nlm_complain_hosts() walks through nlm_server_hosts hlist, which should
be protected by nlm_host_mutex.

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
---
 fs/lockd/host.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index f90f6d5082ef..826a89184f90 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -621,9 +621,8 @@ nlm_shutdown_hosts_net(struct net *net)
 
 	/* Then, perform a garbage collection pass */
 	nlm_gc_hosts(net);
-	mutex_unlock(&nlm_host_mutex);
-
 	nlm_complain_hosts(net);
+	mutex_unlock(&nlm_host_mutex);
 }
 
 /*
-- 
2.30.2