linux-master/lib/kobject_uevent.c

184  * @kobj: struct kobject for which synthetic uevent is to be generated
191 int kobject_synth_uevent(struct kobject *kobj, const char *buf, size_t count)
207 		r = kobject_uevent_env(kobj, action, no_uuid_envp);
221 	r = kobject_uevent_env(kobj, action, env->envp);
225 		devpath = kobject_get_path(kobj, GFP_KERNEL);
235 static int kobj_usermode_filter(struct kobject *kobj)
239 	ops = kobj_ns_ops(kobj);
243 		ns = kobj->ktype->namespace(kobj);
382 static int kobject_uevent_net_broadcast(struct kobject *kobj,
393 	ops = kobj_ns_ops(kobj);
394 	if (!ops && kobj->kset) {
395 		struct kobject *ksobj = &kobj->kset->kobj;
405 	if (ops && ops->netlink_ns && kobj->ktype->namespace)
407 			net = kobj->ktype->namespace(kobj);
451  * @kobj: struct kobject that the action is happening to
458 int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
476 		kobj->state_remove_uevent_sent = 1;
479 		 kobject_name(kobj), kobj, __func__);
482 	top_kobj = kobj;
488 			 "without kset!\n", kobject_name(kobj), kobj,
497 	if (kobj->uevent_suppress) {
500 				 kobject_name(kobj), kobj, __func__);
505 		if (!uevent_ops->filter(kobj)) {
508 				 kobject_name(kobj), kobj, __func__);
514 		subsystem = uevent_ops->name(kobj);
516 		subsystem = kobject_name(&kset->kobj);
519 			 "event to drop!\n", kobject_name(kobj), kobj,
530 	devpath = kobject_get_path(kobj, GFP_KERNEL);
558 		retval = uevent_ops->uevent(kobj, env);
561 				 "%d\n", kobject_name(kobj), kobj,
576 		kobj->state_add_uevent_sent = 1;
593 	retval = kobject_uevent_net_broadcast(kobj, env, action_string,
598 	if (uevent_helper[0] && !kobj_usermode_filter(kobj)) {
633  * @kobj: struct kobject that the action is happening to
639 int kobject_uevent(struct kobject *kobj, enum kobject_action action)
641 	return kobject_uevent_env(kobj, action, NULL);