From 8eff733a45c98f17f254a313859f3b3ed9fc12dc Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sun, 3 May 2015 21:27:36 -0400
Subject: [PATCH] link_path_walk: end of nd->depth massage

get rid of orig_depth - we only use it on error exit to tell whether
to stop doing put_link() when depth reaches 0 (call from path_init())
or when it reaches 1 (call from trailing_symlink()).  However, in
the latter case the caller would immediately follow with one more
put_link().  Just keep doing it until the depth reaches zero (and
simplify trailing_symlink() as the result).

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