From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 12 May 2015 21:32:54 +0000 (-0400)
Subject: namei: saner calling conventions for filename_parentat()
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~213^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5c31b6cedb675199bfd18c08a1223c9b39daedd7;p=pandora-kernel.git

namei: saner calling conventions for filename_parentat()

a) make it reject ERR_PTR() for name
b) make it putname(name) on all other failure exits
c) make it return name on success

again, simplifies the callers

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