From: Dave Young <dyoung@redhat.com>
Date: Tue, 8 Nov 2011 05:44:59 +0000 (+0800)
Subject: tty_ldisc: remove unnecessary negative return check for wait_event_timeout
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=66ef27c3fd0e91038029054c862c9439be5137c1;p=linux-beck.git

tty_ldisc: remove unnecessary negative return check for wait_event_timeout

wait_event_timeout always return value >= 0
remove the unnecessary ret < 0 check

Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c
index 512c49f98e85..5201f78d39a6 100644
--- a/drivers/tty/tty_ldisc.c
+++ b/drivers/tty/tty_ldisc.c
@@ -556,8 +556,6 @@ static int tty_ldisc_wait_idle(struct tty_struct *tty)
 	int ret;
 	ret = wait_event_timeout(tty_ldisc_idle,
 			atomic_read(&tty->ldisc->users) == 1, 5 * HZ);
-	if (ret < 0)
-		return ret;
 	return ret > 0 ? 0 : -EBUSY;
 }