From 3471648a7569512e10f154cdfe5076c341a5c099 Mon Sep 17 00:00:00 2001
From: Jeff Layton <jlayton@poochiereds.net>
Date: Fri, 10 Jul 2015 15:58:42 -0400
Subject: [PATCH] nfs: plug memory leak when ->prepare_layoutcommit fails

"data" is currently leaked when the prepare_layoutcommit operation
returns an error. Put the cred before taking the spinlock in that
case, take the lock and then goto out_unlock which will drop the
lock and then free "data".

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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