136 				  struct scsi_device_handler *scsi_dh)  in scsi_dh_handler_attach()  argument
140 	if (!try_module_get(scsi_dh->module))  in scsi_dh_handler_attach()
143 	error = scsi_dh->attach(sdev);  in scsi_dh_handler_attach()
162 				    scsi_dh->name, error);  in scsi_dh_handler_attach()
163 		module_put(scsi_dh->module);  in scsi_dh_handler_attach()
165 		sdev->handler = scsi_dh;  in scsi_dh_handler_attach()
210 int scsi_register_device_handler(struct scsi_device_handler *scsi_dh)  in scsi_register_device_handler()  argument
212 	if (__scsi_dh_lookup(scsi_dh->name))  in scsi_register_device_handler()
215 	if (!scsi_dh->attach || !scsi_dh->detach)  in scsi_register_device_handler()
219 	list_add(&scsi_dh->list, &scsi_dh_list);  in scsi_register_device_handler()
222 	printk(KERN_INFO "%s: device handler registered\n", scsi_dh->name);  in scsi_register_device_handler()
235 int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh)  in scsi_unregister_device_handler()  argument
237 	if (!__scsi_dh_lookup(scsi_dh->name))  in scsi_unregister_device_handler()
241 	list_del(&scsi_dh->list);  in scsi_unregister_device_handler()
243 	printk(KERN_INFO "%s: device handler unregistered\n", scsi_dh->name);  in scsi_unregister_device_handler()
334 	struct scsi_device_handler *scsi_dh;  in scsi_dh_attach()  local
341 	scsi_dh = scsi_dh_lookup(name);  in scsi_dh_attach()
342 	if (!scsi_dh) {  in scsi_dh_attach()
348 		if (sdev->handler != scsi_dh)  in scsi_dh_attach()
353 	err = scsi_dh_handler_attach(sdev, scsi_dh);  in scsi_dh_attach()