i386 rs232: do full write in out_int

	. in kvm, this does the full output without truncating
	  and gets rid of the messy 'enough!' case

diff --git a/drivers/tty/arch/i386/rs232.c b/drivers/tty/arch/i386/rs232.c
index 0e29628e38501265424fdfd3c6fbc5d57237c97d..d65107740d958827c1670b94839311fcd5c37022 100644 (file)
--- a/drivers/tty/arch/i386/rs232.c
+++ b/drivers/tty/arch/i386/rs232.c
@@ -820,7 +820,7 @@ static void out_int(register rs232_t *rs)
  * Notify TTY when the buffer goes empty.
  */
 
-  if (rs->ostate >= (ODEVREADY | OQUEUED | OSWREADY)) {
+  while (txready(rs) && rs->ostate >= (ODEVREADY | OQUEUED | OSWREADY)) {
        /* Bit test allows ORAW and requires the others. */
        sys_outb(rs->xmit_port, *rs->otail);
        if (++rs->otail == bufend(rs->obuf)) rs->otail = rs->obuf;