89 	struct klp_func *func;  in klp_find_func()  local
91 	klp_for_each_func(obj, func) {  in klp_find_func()
92 		if ((strcmp(old_func->old_name, func->old_name) == 0) &&  in klp_find_func()
93 		    (old_func->old_sympos == func->old_sympos)) {  in klp_find_func()
94 			return func;  in klp_find_func()
458 				struct klp_func *func);
485 static void klp_free_func_nop(struct klp_func *func)  in klp_free_func_nop()  argument
487 	kfree(func->old_name);  in klp_free_func_nop()
488 	kfree(func);  in klp_free_func_nop()
494 	struct klp_func *func;  in klp_alloc_func_nop()  local
496 	func = kzalloc(sizeof(*func), GFP_KERNEL);  in klp_alloc_func_nop()
497 	if (!func)  in klp_alloc_func_nop()
501 		func->old_name = kstrdup(old_func->old_name, GFP_KERNEL);  in klp_alloc_func_nop()
502 		if (!func->old_name) {  in klp_alloc_func_nop()
503 			kfree(func);  in klp_alloc_func_nop()
508 	klp_init_func_early(obj, func);  in klp_alloc_func_nop()
513 	func->old_sympos = old_func->old_sympos;  in klp_alloc_func_nop()
514 	func->nop = true;  in klp_alloc_func_nop()
516 	return func;  in klp_alloc_func_nop()
523 	struct klp_func *func, *old_func;  in klp_add_object_nops()  local
534 		func = klp_find_func(obj, old_func);  in klp_add_object_nops()
535 		if (func)  in klp_add_object_nops()
538 		func = klp_alloc_func_nop(old_func, obj);  in klp_add_object_nops()
539 		if (!func)  in klp_add_object_nops()
601 	struct klp_func *func;  in klp_kobj_release_func()  local
603 	func = container_of(kobj, struct klp_func, kobj);  in klp_kobj_release_func()
605 	if (func->nop)  in klp_kobj_release_func()
606 		klp_free_func_nop(func);  in klp_kobj_release_func()
616 	struct klp_func *func, *tmp_func;  in __klp_free_funcs()  local
618 	klp_for_each_func_safe(obj, func, tmp_func) {  in __klp_free_funcs()
619 		if (nops_only && !func->nop)  in __klp_free_funcs()
622 		list_del(&func->node);  in __klp_free_funcs()
623 		kobject_put(&func->kobj);  in __klp_free_funcs()
630 	struct klp_func *func;  in klp_free_object_loaded()  local
634 	klp_for_each_func(obj, func) {  in klp_free_object_loaded()
635 		func->old_func = NULL;  in klp_free_object_loaded()
637 		if (func->nop)  in klp_free_object_loaded()
638 			func->new_func = NULL;  in klp_free_object_loaded()
736 static int klp_init_func(struct klp_object *obj, struct klp_func *func)  in klp_init_func()  argument
738 	if (!func->old_name)  in klp_init_func()
745 	if (!func->new_func && !func->nop)  in klp_init_func()
748 	if (strlen(func->old_name) >= KSYM_NAME_LEN)  in klp_init_func()
751 	INIT_LIST_HEAD(&func->stack_node);  in klp_init_func()
752 	func->patched = false;  in klp_init_func()
753 	func->transition = false;  in klp_init_func()
760 	return kobject_add(&func->kobj, &obj->kobj, "%s,%lu",  in klp_init_func()
761 			   func->old_name,  in klp_init_func()
762 			   func->old_sympos ? func->old_sympos : 1);  in klp_init_func()
792 	struct klp_func *func;  in klp_init_object_loaded()  local
807 	klp_for_each_func(obj, func) {  in klp_init_object_loaded()
808 		ret = klp_find_object_symbol(obj->name, func->old_name,  in klp_init_object_loaded()
809 					     func->old_sympos,  in klp_init_object_loaded()
810 					     (unsigned long *)&func->old_func);  in klp_init_object_loaded()
814 		ret = kallsyms_lookup_size_offset((unsigned long)func->old_func,  in klp_init_object_loaded()
815 						  &func->old_size, NULL);  in klp_init_object_loaded()
818 			       func->old_name);  in klp_init_object_loaded()
822 		if (func->nop)  in klp_init_object_loaded()
823 			func->new_func = func->old_func;  in klp_init_object_loaded()
825 		ret = kallsyms_lookup_size_offset((unsigned long)func->new_func,  in klp_init_object_loaded()
826 						  &func->new_size, NULL);  in klp_init_object_loaded()
829 			       func->old_name);  in klp_init_object_loaded()
839 	struct klp_func *func;  in klp_init_object()  local
856 	klp_for_each_func(obj, func) {  in klp_init_object()
857 		ret = klp_init_func(obj, func);  in klp_init_object()
869 				struct klp_func *func)  in klp_init_func_early()  argument
871 	kobject_init(&func->kobj, &klp_ktype_func);  in klp_init_func_early()
872 	list_add_tail(&func->node, &obj->func_list);  in klp_init_func_early()
886 	struct klp_func *func;  in klp_init_patch_early()  local
899 		klp_for_each_func_static(obj, func) {  in klp_init_patch_early()
900 			klp_init_func_early(obj, func);  in klp_init_patch_early()