linux-kernel - [PATCH] nlm_shutdown_hosts

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Date:   Mon, 30 Oct 2017 16:47:58 +0300
From:   Vasily Averin <vvs@...tuozzo.com>
To:     linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     "J. Bruce Fields" <bfields@...ldses.org>,
        Jeff Layton <jlayton@...chiereds.net>
Subject: [PATCH] nlm_shutdown_hosts_net() cleanup

nlm_complain_hosts() walk through nlm_server_hosts hlist that should be
protected by nlm_host_mutex.

Signed-off-by: Vasily Averin <vvs@...tuozzo.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 d716c99..089c1d7 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -617,9 +617,8 @@ 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);
 }
 
 /*
-- 
2.7.4