From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: greg@kroah.com, linux-serial@vger.kernel.org
Subject: [PATCH 1/2] moxa: dcd handling of CLOCAL is backwards
Date: Thu, 01 Nov 2012 16:43:49 +0000 [thread overview]
Message-ID: <20121101164336.31727.23069.stgit@bob.linux.org.uk> (raw)
From: Alan Cox <alan@linux.intel.com>
We should do hangup on dcd loss if CLOCAL is false not true.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?id=49911
---
drivers/tty/moxa.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
index 56e616b..9b57aae 100644
--- a/drivers/tty/moxa.c
+++ b/drivers/tty/moxa.c
@@ -1370,7 +1370,7 @@ static void moxa_new_dcdstate(struct moxa_port *p, u8 dcd)
p->DCDState = dcd;
spin_unlock_irqrestore(&p->port.lock, flags);
tty = tty_port_tty_get(&p->port);
- if (tty && C_CLOCAL(tty) && !dcd)
+ if (tty && !C_CLOCAL(tty) && !dcd)
tty_hangup(tty);
tty_kref_put(tty);
}
next reply other threads:[~2012-11-01 16:41 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-01 16:43 Alan Cox [this message]
2012-11-01 16:45 ` [PATCH 2/2] ipwireless: don't oops if we run out of space Alan Cox
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