From: Jiri Slaby <jirislaby@gmail.com>
Date: Thu, 11 Jun 2009 13:32:42 +0000 (+0100)
Subject: tty: remove sleep_on
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5fc5b42a3bb564f0b6e03f0f1b522ed9100250ad;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

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: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index 4d08b6d27c28..931af1030740 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -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