From: David Howells <dhowells@redhat.com>
Date: Thu, 23 Feb 2012 13:50:35 +0000 (+0000)
Subject: NOMMU: Lock i_mmap_mutex for access to the VMA prio list
X-Git-Tag: v3.2.9~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f6c3d1a5873d9190bd6259357900ddebc308626;p=pandora-kernel.git

NOMMU: Lock i_mmap_mutex for access to the VMA prio list

commit 918e556ec214ed2f584e4cac56d7b29e4bb6bf27 upstream.

Lock i_mmap_mutex for access to the VMA prio list to prevent concurrent
access.  Currently, certain parts of the mmap handling are protected by
the region mutex, but not all.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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