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moxa: dcd handling of CLOCAL is backwards

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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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Cox 2012-11-01 16:43:49 +00:00 committed by Greg Kroah-Hartman
parent e8823f1ca8
commit 4bd82136cd
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/moxa.c
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@ -1370,7 +1370,7 @@ static void moxa_new_dcdstate(struct moxa_port *p, u8 dcd)
p->DCDState = dcd; p->DCDState = dcd;
spin_unlock_irqrestore(&p->port.lock, flags); spin_unlock_irqrestore(&p->port.lock, flags);
tty = tty_port_tty_get(&p->port); tty = tty_port_tty_get(&p->port);
if (tty && C_CLOCAL(tty) && !dcd) if (tty && !C_CLOCAL(tty) && !dcd)
tty_hangup(tty); tty_hangup(tty);
tty_kref_put(tty); tty_kref_put(tty);
} }