127 				  struct scsi_device_handler *scsi_dh)  in scsi_dh_handler_attach()  argument
131 	if (!try_module_get(scsi_dh->module))  in scsi_dh_handler_attach()
134 	error = scsi_dh->attach(sdev);  in scsi_dh_handler_attach()
137 			    scsi_dh->name, error);  in scsi_dh_handler_attach()
138 		module_put(scsi_dh->module);  in scsi_dh_handler_attach()
140 		sdev->handler = scsi_dh;  in scsi_dh_handler_attach()
164 	struct scsi_device_handler *scsi_dh;  in store_dh_state()  local
175 		scsi_dh = scsi_dh_lookup(buf);  in store_dh_state()
176 		if (!scsi_dh)  in store_dh_state()
178 		err = scsi_dh_handler_attach(sdev, scsi_dh);  in store_dh_state()
253 int scsi_register_device_handler(struct scsi_device_handler *scsi_dh)  in scsi_register_device_handler()  argument
255 	if (__scsi_dh_lookup(scsi_dh->name))  in scsi_register_device_handler()
258 	if (!scsi_dh->attach || !scsi_dh->detach)  in scsi_register_device_handler()
262 	list_add(&scsi_dh->list, &scsi_dh_list);  in scsi_register_device_handler()
265 	printk(KERN_INFO "%s: device handler registered\n", scsi_dh->name);  in scsi_register_device_handler()
278 int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh)  in scsi_unregister_device_handler()  argument
280 	if (!__scsi_dh_lookup(scsi_dh->name))  in scsi_unregister_device_handler()
284 	list_del(&scsi_dh->list);  in scsi_unregister_device_handler()
286 	printk(KERN_INFO "%s: device handler unregistered\n", scsi_dh->name);  in scsi_unregister_device_handler()
391 	struct scsi_device_handler *scsi_dh;  in scsi_dh_attach()  local
398 	scsi_dh = scsi_dh_lookup(name);  in scsi_dh_attach()
399 	if (!scsi_dh) {  in scsi_dh_attach()
405 		if (sdev->handler != scsi_dh)  in scsi_dh_attach()
410 	err = scsi_dh_handler_attach(sdev, scsi_dh);  in scsi_dh_attach()