706 	struct fscrypt_add_key_arg arg;  in fscrypt_ioctl_add_key()  local
710 	if (copy_from_user(&arg, uarg, sizeof(arg)))  in fscrypt_ioctl_add_key()
713 	if (!valid_key_spec(&arg.key_spec))  in fscrypt_ioctl_add_key()
716 	if (memchr_inv(arg.__reserved, 0, sizeof(arg.__reserved)))  in fscrypt_ioctl_add_key()
724 	if (arg.key_spec.type == FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR &&  in fscrypt_ioctl_add_key()
730 	if (arg.__flags) {  in fscrypt_ioctl_add_key()
731 		if (arg.__flags & ~__FSCRYPT_ADD_KEY_FLAG_HW_WRAPPED)  in fscrypt_ioctl_add_key()
733 		if (arg.key_spec.type != FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER)  in fscrypt_ioctl_add_key()
738 	if (arg.key_id) {  in fscrypt_ioctl_add_key()
739 		if (arg.raw_size != 0)  in fscrypt_ioctl_add_key()
741 		err = get_keyring_key(arg.key_id, arg.key_spec.type, &secret);  in fscrypt_ioctl_add_key()
749 		if (arg.raw_size < FSCRYPT_MIN_KEY_SIZE ||  in fscrypt_ioctl_add_key()
750 		    arg.raw_size > (secret.is_hw_wrapped ?  in fscrypt_ioctl_add_key()
754 		secret.size = arg.raw_size;  in fscrypt_ioctl_add_key()
760 	err = add_master_key(sb, &secret, &arg.key_spec);  in fscrypt_ioctl_add_key()
766 	if (arg.key_spec.type == FSCRYPT_KEY_SPEC_TYPE_IDENTIFIER &&  in fscrypt_ioctl_add_key()
767 	    copy_to_user(uarg->key_spec.u.identifier, arg.key_spec.u.identifier,  in fscrypt_ioctl_add_key()
1034 	struct fscrypt_remove_key_arg arg;  in do_remove_key()  local
1040 	if (copy_from_user(&arg, uarg, sizeof(arg)))  in do_remove_key()
1043 	if (!valid_key_spec(&arg.key_spec))  in do_remove_key()
1046 	if (memchr_inv(arg.__reserved, 0, sizeof(arg.__reserved)))  in do_remove_key()
1053 	if (arg.key_spec.type == FSCRYPT_KEY_SPEC_TYPE_DESCRIPTOR &&  in do_remove_key()
1058 	mk = fscrypt_find_master_key(sb, &arg.key_spec);  in do_remove_key()
1159 	struct fscrypt_get_key_status_arg arg;  in fscrypt_ioctl_get_key_status()  local
1163 	if (copy_from_user(&arg, uarg, sizeof(arg)))  in fscrypt_ioctl_get_key_status()
1166 	if (!valid_key_spec(&arg.key_spec))  in fscrypt_ioctl_get_key_status()
1169 	if (memchr_inv(arg.__reserved, 0, sizeof(arg.__reserved)))  in fscrypt_ioctl_get_key_status()
1172 	arg.status_flags = 0;  in fscrypt_ioctl_get_key_status()
1173 	arg.user_count = 0;  in fscrypt_ioctl_get_key_status()
1174 	memset(arg.__out_reserved, 0, sizeof(arg.__out_reserved));  in fscrypt_ioctl_get_key_status()
1176 	mk = fscrypt_find_master_key(sb, &arg.key_spec);  in fscrypt_ioctl_get_key_status()
1178 		arg.status = FSCRYPT_KEY_STATUS_ABSENT;  in fscrypt_ioctl_get_key_status()
1185 		arg.status = refcount_read(&mk->mk_active_refs) > 0 ?  in fscrypt_ioctl_get_key_status()
1192 	arg.status = FSCRYPT_KEY_STATUS_PRESENT;  in fscrypt_ioctl_get_key_status()
1196 		arg.user_count = mk->mk_users->keys.nr_leaves_on_tree;  in fscrypt_ioctl_get_key_status()
1199 			arg.status_flags |=  in fscrypt_ioctl_get_key_status()
1212 	if (!err && copy_to_user(uarg, &arg, sizeof(arg)))  in fscrypt_ioctl_get_key_status()