From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 17 Jan 2009 15:23:55 +0000 (+0100)
Subject: PCI hotplug: fix lock imbalance in pciehp
X-Git-Tag: v2.6.29-rc3~33^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2fdd36b550659f5ac2240d1f5a83ffa1a092289;p=pandora-kernel.git

PCI hotplug: fix lock imbalance in pciehp

set_lock_status omits mutex_unlock in fail path. Add the omitted
unlock.

As a result a lockup caused by this can be triggered from userspace
by writing 1 to /sys/bus/pci/slots/.../lock often enough.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---

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