From ad80492df56b4bd2d4da9990678d87b66af42f54 Mon Sep 17 00:00:00 2001
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Date: Mon, 29 Dec 2014 15:00:18 +0200
Subject: [PATCH] 9p: fix error handling in v9fs_file_do_lock

p9_client_lock_dotl() doesn't set status if p9_client_rpc() fails.
It can lead to 'default:' case in switch below and kernel crashes.

Let's bypass the switch if p9_client_lock_dotl() fails.

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dominique Martinet <dominique.martinet@cea.fr>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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