From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 23 Jun 2012 18:49:45 +0000 (+0400)
Subject: do_dentry_open(): close the race with mark_files_ro() in failure exit
X-Git-Tag: v3.6-rc1~152^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c3c4f69424db0760239762d36d0b1b6ae524008b;p=pandora-kernel.git

do_dentry_open(): close the race with mark_files_ro() in failure exit

we want to take it out of mark_files_ro() reach *before* we start
checking if we ought to drop write access.

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