From aec01c5895051849ed842dc5b8794017a7751f28 Mon Sep 17 00:00:00 2001
From: Serge Hallyn <serge.hallyn@canonical.com>
Date: Mon, 26 Sep 2011 10:18:29 -0500
Subject: [PATCH] USB: pid_ns: ensure pid is not freed during
 kill_pid_info_as_uid

Alan Stern points out that after spin_unlock(&ps->lock) there is no
guarantee that ps->pid won't be freed.  Since kill_pid_info_as_uid() is
called after the spin_unlock(), the pid passed to it must be pinned.

Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Serge Hallyn <serge.hallyn@canonical.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
Reading git-format-patch failed