[PATCH] istallion: Small follow up for the fixes to istallion

[Alan Cox]

> Fix the compile error which was caused by commit "istallion: use tty_port" and "tty: Ldisc revamp".
> Also make the warning silent.

Sorry about that one.

There is a bit more fixing needed as the ldisc reference isn't held
during close. 

--

istallion: Use helpers

From: Alan Cox <alan@xxxxxxxxxx>

The ldisc needs to be referenced properly when used. The tty layer has a
helper for this which should have been used but this driver got missed
originally.

Signed-off-by: Alan Cox <alan@xxxxxxxxxx>
---

 drivers/char/istallion.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)


diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 63d22b5..f9ebcd4 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -925,8 +925,7 @@ static void stli_close(struct tty_struct *tty, struct file *filp)
 	clear_bit(ST_TXBUSY, &portp->state);
 	clear_bit(ST_RXSTOP, &portp->state);
 	set_bit(TTY_IO_ERROR, &tty->flags);
-	if (tty->ldisc.ops->flush_buffer)
-		(tty->ldisc.ops->flush_buffer)(tty);
+	tty_ldisc_flush(tty);
 	set_bit(ST_DOFLUSHRX, &portp->state);
 	stli_flushbuffer(tty);
 
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