From 181c37b6e4c1bdb061ed0d884c54f9a6e6cdac89 Mon Sep 17 00:00:00 2001
From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 12 May 2015 17:21:25 -0400
Subject: [PATCH] namei: saner calling conventions for filename_create()

a) make it reject ERR_PTR() for name
b) make it putname(name) upon return in all other cases.

seriously simplifies the callers...

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