192 static int release_reference(struct bpf_verifier_env *env, int ref_obj_id);
257 	int ref_obj_id;  member
878 			if (reg_type_may_be_refcounted_or_null(t) && reg->ref_obj_id)  in print_verifier_state()
879 				verbose_a("ref_obj_id=%d", reg->ref_obj_id);  in print_verifier_state()
5965 		} else if (!reg->ref_obj_id && !register_is_null(reg)) {  in check_func_arg()
5977 	if (reg->ref_obj_id) {  in check_func_arg()
5978 		if (meta->ref_obj_id) {  in check_func_arg()
5980 				regno, reg->ref_obj_id,  in check_func_arg()
5981 				meta->ref_obj_id);  in check_func_arg()
5984 		meta->ref_obj_id = reg->ref_obj_id;  in check_func_arg()
6615 			     int ref_obj_id)  in release_reference()  argument
6621 	err = release_reference_state(cur_func(env), ref_obj_id);  in release_reference()
6626 		if (reg->ref_obj_id == ref_obj_id) {  in release_reference()
7352 		else if (meta.ref_obj_id)  in check_helper_call()
7353 			err = release_reference(env, meta.ref_obj_id);  in check_helper_call()
7427 				if (meta.ref_obj_id) {  in check_helper_call()
7436 					meta.ref_obj_id = stack_slot_get_id(env, reg);  in check_helper_call()
7594 		regs[BPF_REG_0].ref_obj_id = meta.ref_obj_id;  in check_helper_call()
7603 		regs[BPF_REG_0].ref_obj_id = id;  in check_helper_call()
7720 		err = release_reference(env, regs[err].ref_obj_id);  in check_kfunc_call()
7765 			if (meta.ref_obj_id)  in check_kfunc_call()
7766 				regs[BPF_REG_0].ref_obj_id = meta.ref_obj_id;  in check_kfunc_call()
7785 			regs[BPF_REG_0].ref_obj_id = id;  in check_kfunc_call()
9971 			reg->ref_obj_id = 0;  in mark_ptr_or_null_reg()
9998 	u32 ref_obj_id = regs[regno].ref_obj_id;  in mark_ptr_or_null_regs()  local
10001 	if (ref_obj_id && ref_obj_id == id && is_null)  in mark_ptr_or_null_regs()