76     struct ff_msg *msg, *retmsg = NULL;  in rtioctl()  local
79     msg = ff_ipc_msg_alloc();  in rtioctl()
80     if (msg == NULL) {  in rtioctl()
85     if (len > msg->buf_len) {  in rtioctl()
87         ff_ipc_msg_free(msg);  in rtioctl()
91     if (read_len > msg->buf_len) {  in rtioctl()
92         read_len = msg->buf_len;  in rtioctl()
97     msg->msg_type = FF_ROUTE;  in rtioctl()
98     msg->route.fib = rt_sofib;  in rtioctl()
99     msg->route.len = len;  in rtioctl()
100     msg->route.maxlen = maxlen;  in rtioctl()
101     msg->route.data = msg->buf_addr;  in rtioctl()
102     memcpy(msg->route.data, data, len);  in rtioctl()
103     msg->buf_addr += len;  in rtioctl()
105     int ret = ff_ipc_send(msg);  in rtioctl()
108         ff_ipc_msg_free(msg);  in rtioctl()
116         ret = ff_ipc_recv(&retmsg, msg->msg_type);  in rtioctl()
121     } while (msg != retmsg);  in rtioctl()
134     ff_ipc_msg_free(msg);  in rtioctl()