tty_ldisc: remove unnecessary negative return check for wait_event_ti…

…meout 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>
git-mirror · Nov 15, 2011 · 66ef27c · 66ef27c
1 parent 1ea6b8f
commit 66ef27c
Showing 1 changed file with 0 additions and 2 deletions.
diff --git 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;
 }