From: Jeremy Fitzhardinge <jeremy@goop.org>
Date: Tue, 25 Sep 2007 18:50:00 +0000 (-0700)
Subject: xen: execve's error paths don't pin the mm before unpinning
X-Git-Tag: v2.6.23-rc9~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df912ea4ae7233d1504fbd861ee127bd7ee5781d;p=pandora-kernel.git

xen: execve's error paths don't pin the mm before unpinning

execve's error paths don't activate (and therefore pin) the mm before
calling exit_mmap to free it up, so don't try to unpin unless it is
actually pinned.  This prevents a BUG_ON from triggering.

Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Christian Ostheimer <osth@freesurf.ch>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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