Commit 3a542974 authored by Alan Cox's avatar Alan Cox Committed by Linus Torvalds
Browse files

pty: quickfix for the pty ENXIO timing problems 



This also makes close stall in the normal case which is apparently
needed to fix emacs

Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f1462147

drivers/char/pty.c

+2 −0
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ static void pty_close(struct tty_struct *tty, struct file *filp) 
		return;

	tty->link->packet = 0;

	set_bit(TTY_OTHER_CLOSED, &tty->link->flags);

	tty_flip_buffer_push(tty->link);

	wake_up_interruptible(&tty->link->read_wait);

	wake_up_interruptible(&tty->link->write_wait);

	if (tty->driver->subtype == PTY_TYPE_MASTER) {
@@ -207,6 +208,7 @@ static int pty_open(struct tty_struct *tty, struct file *filp) 
	clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);

	set_bit(TTY_THROTTLED, &tty->flags);

	retval = 0;

	tty->low_latency = 1;

out:

	return retval;

}