| commit | ae934bc9b4f3b49fc83617792cce6ca938e3fbd0 | |
| author | Jiri Slaby <jirislaby@gmail.com> | |
| Sat, 17 Jan 2009 15:23:55 +0000 (17 16:23 +0100) | ||
| committer | Greg Kroah-Hartman <gregkh@suse.de> | |
| Mon, 2 Feb 2009 16:28:16 +0000 (2 08:28 -0800) | ||
| tree | 7fc35f051b9ecb4e8547ef756c72e41d0a9c298b | treesnapshot (tar.gz zip) |
| parent | 74ecc88002472e3a880e3fe346d24eb9276eb2dc | commitdiff |
PCI hotplug: fix lock imbalance in pciehp
commit c2fdd36b550659f5ac2240d1f5a83ffa1a092289 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
commit c2fdd36b550659f5ac2240d1f5a83ffa1a092289 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| drivers/pci/hotplug/pciehp_core.c | diffblobblamehistory |