moxa: dcd handling of CLOCAL is backwards
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>
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 @@
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);
}