From 70291aecc6aa228c1b3bb36a5f3efdb0af636042 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 4 May 2015 07:53:00 -0400
Subject: [PATCH] namei: lift (open-coded) terminate_walk() in
 follow_dotdot_rcu() into callers

follow_dotdot_rcu() does an equivalent of terminate_walk() on failure;
shifting it into callers makes for simpler rules and those callers
already have terminate_walk() on other failure exits.

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