Lines Matching refs:xmit_buf
86 port->xmit_buf[port->xmit_head++] = ch;
146 memcpy (port->xmit_buf + port->xmit_head, buf, c);
206 if (!port || !port->xmit_buf)
231 memcpy(port->xmit_buf + port->xmit_head, buf, c);
307 gs_dprintk (GS_DEBUG_FLUSH, "xmit_cnt=%x, xmit_buf=%p, tty=%p.\n",
308 port->xmit_cnt, port->xmit_buf, port->tty);
311 if (!port || port->xmit_cnt < 0 || !port->xmit_buf) {
312 gs_dprintk (GS_DEBUG_FLUSH, "ERROR: !port, !port->xmit_buf or prot->xmit_cnt < 0.\n");
400 !port->xmit_buf) {
425 port->xmit_buf &&
445 port->xmit_buf &&
467 if (port->xmit_buf) {
468 free_page((unsigned long) port->xmit_buf);
469 port->xmit_buf = NULL;
834 if (!port->xmit_buf) {
840 if (port->xmit_buf)
843 port->xmit_buf = (unsigned char *) tmp;
845 if (!port->xmit_buf) {