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path: root/drivers/usb/class/cdc-wdm.c
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Diffstat (limited to 'drivers/usb/class/cdc-wdm.c')
-rw-r--r--drivers/usb/class/cdc-wdm.c39
1 files changed, 19 insertions, 20 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 5fd3f0d48a1..18b91424c70 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -163,11 +163,9 @@ static void wdm_int_callback(struct urb *urb)
int rv = 0;
int status = urb->status;
struct wdm_device *desc;
- struct usb_ctrlrequest *req;
struct usb_cdc_notification *dr;
desc = urb->context;
- req = desc->irq;
dr = (struct usb_cdc_notification *)desc->sbuf;
if (status) {
@@ -214,24 +212,6 @@ static void wdm_int_callback(struct urb *urb)
goto exit;
}
- req->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE);
- req->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE;
- req->wValue = 0;
- req->wIndex = desc->inum;
- req->wLength = cpu_to_le16(desc->wMaxCommand);
-
- usb_fill_control_urb(
- desc->response,
- interface_to_usbdev(desc->intf),
- /* using common endpoint 0 */
- usb_rcvctrlpipe(interface_to_usbdev(desc->intf), 0),
- (unsigned char *)req,
- desc->inbuf,
- desc->wMaxCommand,
- wdm_in_callback,
- desc
- );
- desc->response->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
spin_lock(&desc->iuspin);
clear_bit(WDM_READ, &desc->flags);
set_bit(WDM_RESPONDING, &desc->flags);
@@ -751,6 +731,25 @@ next_desc:
);
desc->validity->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+ desc->irq->bRequestType = (USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE);
+ desc->irq->bRequest = USB_CDC_GET_ENCAPSULATED_RESPONSE;
+ desc->irq->wValue = 0;
+ desc->irq->wIndex = desc->inum;
+ desc->irq->wLength = cpu_to_le16(desc->wMaxCommand);
+
+ usb_fill_control_urb(
+ desc->response,
+ interface_to_usbdev(desc->intf),
+ /* using common endpoint 0 */
+ usb_rcvctrlpipe(interface_to_usbdev(desc->intf), 0),
+ (unsigned char *)desc->irq,
+ desc->inbuf,
+ desc->wMaxCommand,
+ wdm_in_callback,
+ desc
+ );
+ desc->response->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
usb_set_intfdata(intf, desc);
rv = usb_register_dev(intf, &wdm_class);
if (rv < 0)