From: Jiri Slaby <jirislaby@gmail.com>
Date: Sat, 10 Feb 2007 09:44:42 +0000 (-0800)
Subject: [PATCH] Char: tty, delete wake_up_interruptible after tty_wakeup
X-Git-Tag: v2.6.21-rc1~274^2~376
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dd65aa6690e30fdad84a62191c7ab37da89d9865;p=linux-2.6

[PATCH] Char: tty, delete wake_up_interruptible after tty_wakeup

tty_wakeup calls wake_up_interruptible(&tty->write_wait) itself, it's not
needed to wake up again after tty_wakeup returns.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index c57b1f4346..305e46db70 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1612,7 +1612,6 @@ void start_tty(struct tty_struct *tty)
 
 	/* If we have a running line discipline it may need kicking */
 	tty_wakeup(tty);
-	wake_up_interruptible(&tty->write_wait);
 }
 
 EXPORT_SYMBOL(start_tty);