From: Alan Cox <alan@redhat.com>
Date: Tue, 22 Jul 2008 12:44:14 +0000 (+0100)
Subject: istallion: Use helpers
X-Git-Tag: firefly_0821_release~19463
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ed569bfb8e5d0725db11018130e44eb567d829c1;p=firefly-linux-kernel-4.4.55.git

istallion: Use helpers

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@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index 63d22b5ebc0d..f9ebcd41d8e5 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);