Commit 5fc5b42a authored by Jiri Slaby's avatar Jiri Slaby Committed by Linus Torvalds
Browse files

tty: remove sleep_on 



Use wait_event instead of sleep_on in tty_block_til_ready.

Wait for ASYNC_CLOSING flag being 0.

Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4db2299d

drivers/char/tty_port.c

+2 −1
Original line number Diff line number Diff line
@@ -198,7 +198,8 @@ int tty_port_block_til_ready(struct tty_port *port, 


	/* block if port is in the process of being closed */

	if (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING) {

		interruptible_sleep_on(&port->close_wait);

		wait_event_interruptible(port->close_wait,

				!(port->flags & ASYNC_CLOSING));

		if (port->flags & ASYNC_HUP_NOTIFY)

			return -EAGAIN;

		else