From 6548fae2eca6b66c7257af6663fdbdf5a50745fd Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Thu, 7 May 2015 20:32:22 -0400
Subject: [PATCH] namei: make put_link() RCU-safe

very simple - just make path_put() conditional on !RCU.
Note that right now it doesn't get called in RCU mode -
we leave it before getting anything into stack.

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