90 	struct klp_func *func;  in klp_find_func()  local
92 	klp_for_each_func(obj, func) {  in klp_find_func()
93 		if ((strcmp(old_func->old_name, func->old_name) == 0) &&  in klp_find_func()
94 		    (old_func->old_sympos == func->old_sympos)) {  in klp_find_func()
95 			return func;  in klp_find_func()
480 				struct klp_func *func);
507 static void klp_free_func_nop(struct klp_func *func)  in klp_free_func_nop()  argument
509 	kfree(func->old_name);  in klp_free_func_nop()
510 	kfree(func);  in klp_free_func_nop()
516 	struct klp_func *func;  in klp_alloc_func_nop()  local
518 	func = kzalloc(sizeof(*func), GFP_KERNEL);  in klp_alloc_func_nop()
519 	if (!func)  in klp_alloc_func_nop()
523 		func->old_name = kstrdup(old_func->old_name, GFP_KERNEL);  in klp_alloc_func_nop()
524 		if (!func->old_name) {  in klp_alloc_func_nop()
525 			kfree(func);  in klp_alloc_func_nop()
530 	klp_init_func_early(obj, func);  in klp_alloc_func_nop()
535 	func->old_sympos = old_func->old_sympos;  in klp_alloc_func_nop()
536 	func->nop = true;  in klp_alloc_func_nop()
538 	return func;  in klp_alloc_func_nop()
545 	struct klp_func *func, *old_func;  in klp_add_object_nops()  local
556 		func = klp_find_func(obj, old_func);  in klp_add_object_nops()
557 		if (func)  in klp_add_object_nops()
560 		func = klp_alloc_func_nop(old_func, obj);  in klp_add_object_nops()
561 		if (!func)  in klp_add_object_nops()
623 	struct klp_func *func;  in klp_kobj_release_func()  local
625 	func = container_of(kobj, struct klp_func, kobj);  in klp_kobj_release_func()
627 	if (func->nop)  in klp_kobj_release_func()
628 		klp_free_func_nop(func);  in klp_kobj_release_func()
638 	struct klp_func *func, *tmp_func;  in __klp_free_funcs()  local
640 	klp_for_each_func_safe(obj, func, tmp_func) {  in __klp_free_funcs()
641 		if (nops_only && !func->nop)  in __klp_free_funcs()
644 		list_del(&func->node);  in __klp_free_funcs()
645 		kobject_put(&func->kobj);  in __klp_free_funcs()
652 	struct klp_func *func;  in klp_free_object_loaded()  local
656 	klp_for_each_func(obj, func) {  in klp_free_object_loaded()
657 		func->old_func = NULL;  in klp_free_object_loaded()
659 		if (func->nop)  in klp_free_object_loaded()
660 			func->new_func = NULL;  in klp_free_object_loaded()
758 static int klp_init_func(struct klp_object *obj, struct klp_func *func)  in klp_init_func()  argument
760 	if (!func->old_name)  in klp_init_func()
767 	if (!func->new_func && !func->nop)  in klp_init_func()
770 	if (strlen(func->old_name) >= KSYM_NAME_LEN)  in klp_init_func()
773 	INIT_LIST_HEAD(&func->stack_node);  in klp_init_func()
774 	func->patched = false;  in klp_init_func()
775 	func->transition = false;  in klp_init_func()
782 	return kobject_add(&func->kobj, &obj->kobj, "%s,%lu",  in klp_init_func()
783 			   func->old_name,  in klp_init_func()
784 			   func->old_sympos ? func->old_sympos : 1);  in klp_init_func()
827 	struct klp_func *func;  in klp_init_object_loaded()  local
842 	klp_for_each_func(obj, func) {  in klp_init_object_loaded()
843 		ret = klp_find_object_symbol(obj->name, func->old_name,  in klp_init_object_loaded()
844 					     func->old_sympos,  in klp_init_object_loaded()
845 					     (unsigned long *)&func->old_func);  in klp_init_object_loaded()
849 		ret = kallsyms_lookup_size_offset((unsigned long)func->old_func,  in klp_init_object_loaded()
850 						  &func->old_size, NULL);  in klp_init_object_loaded()
853 			       func->old_name);  in klp_init_object_loaded()
857 		if (func->nop)  in klp_init_object_loaded()
858 			func->new_func = func->old_func;  in klp_init_object_loaded()
860 		ret = kallsyms_lookup_size_offset((unsigned long)func->new_func,  in klp_init_object_loaded()
861 						  &func->new_size, NULL);  in klp_init_object_loaded()
864 			       func->old_name);  in klp_init_object_loaded()
874 	struct klp_func *func;  in klp_init_object()  local
891 	klp_for_each_func(obj, func) {  in klp_init_object()
892 		ret = klp_init_func(obj, func);  in klp_init_object()
904 				struct klp_func *func)  in klp_init_func_early()  argument
906 	kobject_init(&func->kobj, &klp_ktype_func);  in klp_init_func_early()
907 	list_add_tail(&func->node, &obj->func_list);  in klp_init_func_early()
921 	struct klp_func *func;  in klp_init_patch_early()  local
934 		klp_for_each_func_static(obj, func) {  in klp_init_patch_early()
935 			klp_init_func_early(obj, func);  in klp_init_patch_early()