[PATCH] hotplug: unlock in error path in acpiphp_enable_slot

[Insu Yun]

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 <wuni...@gmail.com>
---
 drivers/pci/hotplug/acpiphp_glue.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/hotplug/acpiphp_glue.c 
b/drivers/pci/hotplug/acpiphp_glue.c
index ff53856..0b3e0bf 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -953,8 +953,10 @@ int acpiphp_enable_slot(struct acpiphp_slot *slot)
 {
        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))
-- 
1.9.1