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(parent: 0e063e1) | patch
PCI hotplug: fix lock imbalance in pciehp
authorJiri Slaby <jirislaby@gmail.com>
Sat, 17 Jan 2009 15:23:55 +0000 (16:23 +0100)
committerJesse Barnes <jbarnes@virtuousgeek.org>
Mon, 19 Jan 2009 18:55:54 +0000 (10:55 -0800)
commit4b3acd9e63c88c8e78181357172995bb4c8300db
tree670558bb598d185fb1805f09bf5d39da13b03d91tree | snapshot
parent0e063e10e588ecdc8854a2bc4b93a7ec0629cc60commit | diff
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>
drivers/pci/hotplug/pciehp_core.c diff | blob | history
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