diff options
Diffstat (limited to 'drivers/net/usb/hso.c')
| -rw-r--r-- | drivers/net/usb/hso.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index ce78714f536f..74849da031fa 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -186,7 +186,7 @@ struct hso_tiocmget { int intr_completed; struct usb_endpoint_descriptor *endp; struct urb *urb; - struct hso_serial_state_notification serial_state_notification; + struct hso_serial_state_notification *serial_state_notification; u16 prev_UART_state_bitmap; struct uart_icount icount; }; @@ -1432,7 +1432,7 @@ static int tiocmget_submit_urb(struct hso_serial *serial, usb_rcvintpipe(usb, tiocmget->endp-> bEndpointAddress & 0x7F), - &tiocmget->serial_state_notification, + tiocmget->serial_state_notification, sizeof(struct hso_serial_state_notification), tiocmget_intr_callback, serial, tiocmget->endp->bInterval); @@ -1479,7 +1479,7 @@ static void tiocmget_intr_callback(struct urb *urb) /* wIndex should be the USB interface number of the port to which the * notification applies, which should always be the Modem port. */ - serial_state_notification = &tiocmget->serial_state_notification; + serial_state_notification = tiocmget->serial_state_notification; if (serial_state_notification->bmRequestType != BM_REQUEST_TYPE || serial_state_notification->bNotification != B_NOTIFICATION || le16_to_cpu(serial_state_notification->wValue) != W_VALUE || @@ -2565,6 +2565,8 @@ static void hso_free_tiomget(struct hso_serial *serial) usb_free_urb(tiocmget->urb); tiocmget->urb = NULL; serial->tiocmget = NULL; + kfree(tiocmget->serial_state_notification); + tiocmget->serial_state_notification = NULL; kfree(tiocmget); } } @@ -2615,19 +2617,26 @@ static struct hso_device *hso_create_bulk_serial_device( num_urbs = 2; serial->tiocmget = kzalloc(sizeof(struct hso_tiocmget), GFP_KERNEL); + serial->tiocmget->serial_state_notification + = kzalloc(sizeof(struct hso_serial_state_notification), + GFP_KERNEL); /* it isn't going to break our heart if serial->tiocmget * allocation fails don't bother checking this. */ - if (serial->tiocmget) { + if (serial->tiocmget && serial->tiocmget->serial_state_notification) { tiocmget = serial->tiocmget; + tiocmget->endp = hso_get_ep(interface, + USB_ENDPOINT_XFER_INT, + USB_DIR_IN); + if (!tiocmget->endp) { + dev_err(&interface->dev, "Failed to find INT IN ep\n"); + goto exit; + } + tiocmget->urb = usb_alloc_urb(0, GFP_KERNEL); if (tiocmget->urb) { mutex_init(&tiocmget->mutex); init_waitqueue_head(&tiocmget->waitq); - tiocmget->endp = hso_get_ep( - interface, - USB_ENDPOINT_XFER_INT, - USB_DIR_IN); } else hso_free_tiomget(serial); } |