From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 18 Jul 2012 13:32:50 +0000 (+0400)
Subject: unobfuscate follow_up() a bit
X-Git-Tag: v3.6-rc1~152^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3c0a6163688b8ca3f44029c7bdb3d91a865c878a;p=pandora-kernel.git

unobfuscate follow_up() a bit

really convoluted test in there has grown up during struct mount
introduction; what it checks is that we'd reached the root of
mount tree.
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