37     struct ff_msg *msg, *retmsg = NULL;  in sysctl()  local
115         if (retmsg != NULL) {  in sysctl()
116             ff_ipc_msg_free(retmsg);  in sysctl()
118         ret = ff_ipc_recv(&retmsg, msg->msg_type);  in sysctl()
123     } while (msg != retmsg);  in sysctl()
125     if (retmsg->result == 0) {  in sysctl()
127         if (oldlenp && retmsg->sysctl.oldlenp) {  in sysctl()
128             *oldlenp = *retmsg->sysctl.oldlenp;  in sysctl()
131         if (old && retmsg->sysctl.old && oldlenp) {  in sysctl()
132             memcpy(old, retmsg->sysctl.old, *oldlenp);  in sysctl()
136         errno = retmsg->result;  in sysctl()