PCI hotplug: fix memory leaks

Stanse found a cut&pasted memory leak in pciehp_queue_pushbutton_work
and shpchp_queue_pushbutton_work. info is not freed/assigned on all
paths. Fix that.
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

drivers/pci/hotplug/pciehp_ctrl.c

@@ -341,6 +341,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work)
 		p_slot->state = POWERON_STATE;
 		break;
 	default:
+		kfree(info);
 		goto out;
 	}
 	queue_work(pciehp_wq, &info->work);

drivers/pci/hotplug/shpchp_ctrl.c

@@ -453,6 +453,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work)
 		p_slot->state = POWERON_STATE;
 		break;
 	default:
+		kfree(info);
 		goto out;
 	}
 	queue_work(shpchp_wq, &info->work);