if(!controller) { 
if (!controller) 
cpci_hp_stop(void){	if(!controller) {		return -ENODEV;	}	if(atomic_read(&extracting) != 0) {		return -EBUSY;	}	if(controller->irq) {		/* Stop enum interrupt processing */		dbg("%s - disabling irq", __FUNCTION__);		controller->ops->disable_irq();	}	cpci_stop_thread();	return 0;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/bcc488ab02254a6e60d749187a632dc3d642d4f8/cpci_hotplug_core.c/buggy/drivers/pci/hotplug/cpci_hotplug_core.c