From: Dave Young <dyoung@redhat.com>
To: gregkh@suse.de, linux-kernel@vger.kernel.org
Subject: [PATCH] tty_ldisc: remove unnecessary negative return check for wait_event_timeout
Date: Tue, 8 Nov 2011 13:44:59 +0800 [thread overview]
Message-ID: <20111108054459.GA23162@darkstar.nay.redhat.com> (raw)
wait_event_timeout always return value >= 0
remove the unnecessary ret < 0 check
Signed-off-by: Dave Young <dyoung@redhat.com>
---
drivers/tty/tty_ldisc.c | 2 --
1 file changed, 2 deletions(-)
--- linux-2.6.orig/drivers/tty/tty_ldisc.c 2011-11-01 13:06:20.000000000 +0800
+++ linux-2.6/drivers/tty/tty_ldisc.c 2011-11-08 13:31:30.596308060 +0800
@@ -556,8 +556,6 @@ static int tty_ldisc_wait_idle(struct tt
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;
}
next reply other threads:[~2011-11-08 5:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-08 5:44 Dave Young [this message]
2011-11-08 8:27 ` [PATCH] tty_ldisc: remove unnecessary negative return check for wait_event_timeout Jiri Slaby
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