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path: root/drivers/usb/serial/sierra.c
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Diffstat (limited to 'drivers/usb/serial/sierra.c')
-rw-r--r--drivers/usb/serial/sierra.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 5019325ba25d..328578bdb455 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -195,6 +195,7 @@ static const struct sierra_iface_info direct_ip_interface_blacklist = {
static struct usb_device_id id_table [] = {
{ USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */
{ USB_DEVICE(0x03F0, 0x1B1D) }, /* HP ev2200 a.k.a MC5720 */
+ { USB_DEVICE(0x03F0, 0x211D) }, /* HP ev2210 a.k.a MC5725 */
{ USB_DEVICE(0x03F0, 0x1E1D) }, /* HP hs2300 a.k.a MC8775 */
{ USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
@@ -209,6 +210,7 @@ static struct usb_device_id id_table [] = {
{ USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
{ USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
{ USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless USB Dongle 595U */
+ { USB_DEVICE(0x1199, 0x0301) }, /* Sierra Wireless USB Dongle 250U */
/* Sierra Wireless C597 */
{ USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x0023, 0xFF, 0xFF, 0xFF) },
/* Sierra Wireless T598 */
@@ -567,14 +569,17 @@ static void sierra_indat_callback(struct urb *urb)
} else {
if (urb->actual_length) {
tty = tty_port_tty_get(&port->port);
-
- tty_buffer_request_room(tty, urb->actual_length);
- tty_insert_flip_string(tty, data, urb->actual_length);
- tty_flip_buffer_push(tty);
-
- tty_kref_put(tty);
- usb_serial_debug_data(debug, &port->dev, __func__,
- urb->actual_length, data);
+ if (tty) {
+ tty_buffer_request_room(tty,
+ urb->actual_length);
+ tty_insert_flip_string(tty, data,
+ urb->actual_length);
+ tty_flip_buffer_push(tty);
+
+ tty_kref_put(tty);
+ usb_serial_debug_data(debug, &port->dev,
+ __func__, urb->actual_length, data);
+ }
} else {
dev_dbg(&port->dev, "%s: empty read urb"
" received\n", __func__);