Messages in this thread Patch in this message | | | Date | Tue, 8 Nov 2011 13:44:59 +0800 | From | Dave Young <> | Subject | [PATCH] tty_ldisc: remove unnecessary negative return check for wait_event_timeout |
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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; }
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