From e8bb73dfb0aad673a3b9650e9af0ba1739a4df01 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Fri, 8 May 2015 16:28:42 -0400
Subject: [PATCH] namei: fold put_link() into the failure case of
 complete_walk()

... and don't open-code unlazy_walk() in there - the only reason
for that is to avoid verfication of cached nd->root, which is
trivially avoided by discarding said cached nd->root first.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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