| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 244/342] ACPI / PCI / hotplug: unlock in error path in acpiphp_enable_slot() | Date | Tue, 01 Mar 2016 23:55:05 +0000 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Insu Yun <wuninsu@gmail.com>
commit 2c3033a0664dfae91e1dee7fabac10f24354b958 upstream.
In acpiphp_enable_slot(), there is a missing unlock path when error occurred. It needs to be unlocked before returning an error.
Signed-off-by: Insu Yun <wuninsu@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/pci/hotplug/acpiphp_glue.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -953,8 +953,10 @@ int acpiphp_enable_slot(struct acpiphp_s { pci_lock_rescan_remove(); - if (slot->flags & SLOT_IS_GOING_AWAY) + if (slot->flags & SLOT_IS_GOING_AWAY) { + pci_unlock_rescan_remove(); return -ENODEV; + } /* configure all functions */ if (!(slot->flags & SLOT_ENABLED))
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