Commit 1cb40d08 authored Sep 17, 2013 by Peter Hurley Committed by Greg Kroah-Hartman Sep 25, 2013

n_tty: Remove superfluous reader wakeup



n_tty's .set_termios method unconditionally performs reader wakeup;
remove extra reader wakeup for canonical mode changes.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 4a10c2ac

drivers/tty/n_tty.c

+0 −3

Original line number	Diff line number	Diff line
		@@ -1764,9 +1764,6 @@ static void n_tty_set_termios(struct tty_struct tty, struct ktermios old)
		ldata->lnext = 0;
		}

		if (canon_change && !L_ICANON(tty) && read_cnt(ldata))
		wake_up_interruptible(&tty->read_wait);

		ldata->icanon = (L_ICANON(tty) != 0);

		if (I_ISTRIP(tty) \|\| I_IUCLC(tty) \|\| I_IGNCR(tty) \|\|

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