493     for (i = 0; i < vmsg->fd_num; i++) {  in vmsg_close_fds()
504     vmsg->fd_num = 0;  in vmsg_set_reply_u64()
563     vmsg->fd_num = 0;  in vu_message_read_default()
570             vmsg->fd_num = fd_size / sizeof(int);  in vu_message_read_default()
571             assert(vmsg->fd_num <= VHOST_MEMORY_BASELINE_NREGIONS);  in vu_message_read_default()
624     assert(vmsg->fd_num <= VHOST_MEMORY_BASELINE_NREGIONS);  in vu_message_write()
625     if (vmsg->fd_num > 0) {  in vu_message_write()
626         size_t fdsize = vmsg->fd_num * sizeof(int);  in vu_message_write()
793     vmsg->fd_num = 0;  in vu_get_features_exec()
951     if (vmsg->fd_num != 1) {  in vu_add_mem_reg()
954                       "should be sent for this message type", vmsg->fd_num);  in vu_add_mem_reg()
991         vmsg->fd_num = 0;  in vu_add_mem_reg()
1017     if (vmsg->fd_num > 1) {  in vu_rem_mem_reg()
1020                       "should be sent for this message type", vmsg->fd_num);  in vu_rem_mem_reg()
1076     int fd_num = 0;  in vu_get_shared_object()  local
1084         vmsg->fds[fd_num++] = dmabuf_fd;  in vu_get_shared_object()
1086     vmsg->fd_num = fd_num;  in vu_get_shared_object()
1107         vmsg->fd_num = 0;  in vu_set_mem_table_exec()
1147     if (vmsg->fd_num != 1 ||  in vu_set_log_base_exec()
1173     vmsg->fd_num = 0;  in vu_set_log_base_exec()
1181     if (vmsg->fd_num != 1) {  in vu_set_log_fd_exec()
1308     if (vmsg->fd_num != 1) {  in vu_check_queue_msg_file()
1462     int fd_num = 0;  in vu_set_queue_host_notifier()  local
1477         vmsg.fds[fd_num++] = fd;  in vu_set_queue_host_notifier()
1480     vmsg.fd_num = fd_num;  in vu_set_queue_host_notifier()
1529     if (msg_reply.fd_num != 1) {  in vu_lookup_shared_object()
1531                msg_reply.fd_num);  in vu_lookup_shared_object()
1755     if (vmsg->fd_num != 1) {  in vu_set_backend_req_fd()
1756         vu_panic(dev, "Invalid backend_req_fd message (%d fd's)", vmsg->fd_num);  in vu_set_backend_req_fd()
1836     vmsg->fd_num = 1;  in vu_set_postcopy_advise()
1953     vmsg->fd_num = 1;  in vu_get_inflight_fd()
1972     if (vmsg->fd_num != 1 ||  in vu_set_inflight_fd()
1975                  vmsg->size, vmsg->fd_num);  in vu_set_inflight_fd()
2068     if (vmsg->fd_num) {  in vu_process_message()
2071         for (i = 0; i < vmsg->fd_num; i++) {  in vu_process_message()