From: David Howells <dhowells@redhat.com>
Date: Wed, 27 Sep 2006 08:50:18 +0000 (-0700)
Subject: [PATCH] NOMMU: Check VMA protections
X-Git-Tag: v2.6.19-rc1~954
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b4d5b8b39fd3701ed3693a89f2bd8f6ef49bce2;p=pandora-kernel.git

[PATCH] NOMMU: Check VMA protections

Check the VMA protections in get_user_pages() against what's being asked.

This checks to see that we don't accidentally write on a non-writable VMA or
permit an I/O mapping VMA to be accessed (which may lack page structs).

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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