51 	unsigned char *src = inbuf->data + inbuf->head;  in cmd_loop()
123 	unsigned char *src = inbuf->data + inbuf->head;  in lock_loop()
145 	unsigned char *src = inbuf->data + inbuf->head;  in hdlc_loop()
291 	unsigned char *src = inbuf->data + inbuf->head;  in iraw_loop()
347 		if (inbuf->data[inbuf->head] == DLE_FLAG &&  in handle_dle()
350 			inbuf->head++;  in handle_dle()
351 			if (inbuf->head == inbuf->tail ||  in handle_dle()
352 			    inbuf->head == RBUFSIZE) {  in handle_dle()
366 	switch (inbuf->data[inbuf->head]) {  in handle_dle()
372 		inbuf->head++;	/* byte consumed */  in handle_dle()
382 		inbuf->head++;	/* byte consumed */  in handle_dle()
393 			   inbuf->data[inbuf->head]);  in handle_dle()
412 	gig_dbg(DEBUG_INTR, "buffer state: %u -> %u", inbuf->head, inbuf->tail);  in gigaset_m10x_input()
414 	while (inbuf->head != inbuf->tail) {  in gigaset_m10x_input()
419 		numbytes = (inbuf->head > inbuf->tail ?  in gigaset_m10x_input()
420 			    RBUFSIZE : inbuf->tail) - inbuf->head;  in gigaset_m10x_input()
435 		inbuf->head += procbytes;  in gigaset_m10x_input()
438 		if (inbuf->head >= RBUFSIZE)  in gigaset_m10x_input()
439 			inbuf->head = 0;  in gigaset_m10x_input()
441 		gig_dbg(DEBUG_INTR, "head set to %u", inbuf->head);  in gigaset_m10x_input()