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()
441 				struct klp_func *func);
468 static void klp_free_func_nop(struct klp_func *func)  in klp_free_func_nop()  argument
470 	kfree(func->old_name);  in klp_free_func_nop()
471 	kfree(func);  in klp_free_func_nop()
477 	struct klp_func *func;  in klp_alloc_func_nop()  local
479 	func = kzalloc(sizeof(*func), GFP_KERNEL);  in klp_alloc_func_nop()
480 	if (!func)  in klp_alloc_func_nop()
484 		func->old_name = kstrdup(old_func->old_name, GFP_KERNEL);  in klp_alloc_func_nop()
485 		if (!func->old_name) {  in klp_alloc_func_nop()
486 			kfree(func);  in klp_alloc_func_nop()
491 	klp_init_func_early(obj, func);  in klp_alloc_func_nop()
496 	func->old_sympos = old_func->old_sympos;  in klp_alloc_func_nop()
497 	func->nop = true;  in klp_alloc_func_nop()
499 	return func;  in klp_alloc_func_nop()
506 	struct klp_func *func, *old_func;  in klp_add_object_nops()  local
517 		func = klp_find_func(obj, old_func);  in klp_add_object_nops()
518 		if (func)  in klp_add_object_nops()
521 		func = klp_alloc_func_nop(old_func, obj);  in klp_add_object_nops()
522 		if (!func)  in klp_add_object_nops()
583 	struct klp_func *func;  in klp_kobj_release_func()  local
585 	func = container_of(kobj, struct klp_func, kobj);  in klp_kobj_release_func()
587 	if (func->nop)  in klp_kobj_release_func()
588 		klp_free_func_nop(func);  in klp_kobj_release_func()
598 	struct klp_func *func, *tmp_func;  in __klp_free_funcs()  local
600 	klp_for_each_func_safe(obj, func, tmp_func) {  in __klp_free_funcs()
601 		if (nops_only && !func->nop)  in __klp_free_funcs()
604 		list_del(&func->node);  in __klp_free_funcs()
605 		kobject_put(&func->kobj);  in __klp_free_funcs()
612 	struct klp_func *func;  in klp_free_object_loaded()  local
616 	klp_for_each_func(obj, func) {  in klp_free_object_loaded()
617 		func->old_func = NULL;  in klp_free_object_loaded()
619 		if (func->nop)  in klp_free_object_loaded()
620 			func->new_func = NULL;  in klp_free_object_loaded()
718 static int klp_init_func(struct klp_object *obj, struct klp_func *func)  in klp_init_func()  argument
720 	if (!func->old_name)  in klp_init_func()
727 	if (!func->new_func && !func->nop)  in klp_init_func()
730 	if (strlen(func->old_name) >= KSYM_NAME_LEN)  in klp_init_func()
733 	INIT_LIST_HEAD(&func->stack_node);  in klp_init_func()
734 	func->patched = false;  in klp_init_func()
735 	func->transition = false;  in klp_init_func()
742 	return kobject_add(&func->kobj, &obj->kobj, "%s,%lu",  in klp_init_func()
743 			   func->old_name,  in klp_init_func()
744 			   func->old_sympos ? func->old_sympos : 1);  in klp_init_func()
774 	struct klp_func *func;  in klp_init_object_loaded()  local
789 	klp_for_each_func(obj, func) {  in klp_init_object_loaded()
790 		ret = klp_find_object_symbol(obj->name, func->old_name,  in klp_init_object_loaded()
791 					     func->old_sympos,  in klp_init_object_loaded()
792 					     (unsigned long *)&func->old_func);  in klp_init_object_loaded()
796 		ret = kallsyms_lookup_size_offset((unsigned long)func->old_func,  in klp_init_object_loaded()
797 						  &func->old_size, NULL);  in klp_init_object_loaded()
800 			       func->old_name);  in klp_init_object_loaded()
804 		if (func->nop)  in klp_init_object_loaded()
805 			func->new_func = func->old_func;  in klp_init_object_loaded()
807 		ret = kallsyms_lookup_size_offset((unsigned long)func->new_func,  in klp_init_object_loaded()
808 						  &func->new_size, NULL);  in klp_init_object_loaded()
811 			       func->old_name);  in klp_init_object_loaded()
821 	struct klp_func *func;  in klp_init_object()  local
838 	klp_for_each_func(obj, func) {  in klp_init_object()
839 		ret = klp_init_func(obj, func);  in klp_init_object()
851 				struct klp_func *func)  in klp_init_func_early()  argument
853 	kobject_init(&func->kobj, &klp_ktype_func);  in klp_init_func_early()
854 	list_add_tail(&func->node, &obj->func_list);  in klp_init_func_early()
868 	struct klp_func *func;  in klp_init_patch_early()  local
887 		klp_for_each_func_static(obj, func) {  in klp_init_patch_early()
888 			klp_init_func_early(obj, func);  in klp_init_patch_early()