Commit 58eb17f1 authored by Denis Joseph Barrow's avatar Denis Joseph Barrow Committed by Linus Torvalds
Browse files

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: default avatarDenis Joseph Barrow <D.Barow@option.com>
Signed-off-by: default avatarAlan Cox <alan@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ad36b88e

drivers/net/usb/hso.c

+1 −1
Original line number Diff line number Diff line
@@ -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);