Subject: [PATCH1/1] hso modem detect fix patch against Alan Cox'es tty tree

From: Denis Joseph Barrow <[email-masked]>
Date: Mon, 08 Dec 2008 15:38:31 +0100

Here you go good sir,

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 <[email-masked]>
---
Index: linux-2.6.28-rc7.alan/drivers/net/usb/hso.c
===================================================================
--- linux-2.6.28-rc7.alan.orig/drivers/net/usb/hso.c	2008-12-08 15:26:00.000000000 +0100
+++ linux-2.6.28-rc7.alan/drivers/net/usb/hso.c	2008-12-08 15:28:10.000000000 +0100
@@ -2659,7 +2659,7 @@
 	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);

-- 
best regards,
D.J. Barrow

Linux Kernel Developer
Option NV, Gaston Geenslaan 14, 3001 Leuven, Belgium
 
T: +32 16 311 621
F: +32 16 207 164
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[email-masked]
www.option.com

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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 <[email-masked]>
---
Index: linux-2.6.28-rc7.alan/drivers/net/usb/hso.c
===================================================================
--- linux-2.6.28-rc7.alan.orig/drivers/net/usb/hso.c	2008-12-08 15:26:00.000000000 +0100
+++ linux-2.6.28-rc7.alan/drivers/net/usb/hso.c	2008-12-08 15:28:10.000000000 +0100
@@ -2659,7 +2659,7 @@
 	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);