From 58eb17f155704062d76729d1fb7e23d3559ca86a Mon Sep 17 00:00:00 2001
From: Denis Joseph Barrow <D.Barow@option.com>
Date: Fri, 2 Jan 2009 13:50:29 +0000
Subject: [PATCH] hso modem detect fix patch against Alan Cox'es tty tree
Fixed incorrect check for the modem port, this prevents
crashes caused by issueing a tiocmget_submit_urb
on endpoints which don't exist for non modem devices.
Signed-off-by: Denis Joseph Barrow <D.Barow@option.com>
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
drivers/net/usb/hso.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index d974d970e5fdd..148af34837f09 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2663,7 +2663,7 @@ static struct hso_device *hso_create_bulk_serial_device(
serial->parent = hso_dev;
hso_dev->port_data.dev_serial = serial;
- if (port & HSO_PORT_MODEM) {
+ if ((port & HSO_PORT_MASK) == HSO_PORT_MODEM) {
num_urbs = 2;
serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget),
GFP_KERNEL);
--
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