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Commit 8f7292ed authored by Oliver Neukum's avatar Oliver Neukum Committed by Dmitry Torokhov
Browse files

Input: kbtab - stop saving struct usb_device 



The device can now easily be derived from the interface.
Stop leaving a private copy.

Signed-off-by: default avatarOliver Neukum <ONeukum@suse.com>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent ed752e5d

drivers/input/tablet/kbtab.c

+4 −4
Original line number Diff line number Diff line
@@ -31,7 +31,6 @@ struct kbtab { 
	unsigned char *data;

	dma_addr_t data_dma;

	struct input_dev *dev;

	struct usb_device *usbdev;

	struct usb_interface *intf;

	struct urb *irq;

	char phys[32];
@@ -99,8 +98,9 @@ MODULE_DEVICE_TABLE(usb, kbtab_ids); 
static int kbtab_open(struct input_dev *dev)

{

	struct kbtab *kbtab = input_get_drvdata(dev);

	struct usb_device *udev = interface_to_usbdev(kbtab->intf);



	kbtab->irq->dev = kbtab->usbdev;

	kbtab->irq->dev = udev;

	if (usb_submit_urb(kbtab->irq, GFP_KERNEL))

		return -EIO;
@@ -135,7 +135,6 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i 
	if (!kbtab->irq)

		goto fail2;



	kbtab->usbdev = dev;

	kbtab->intf = intf;

	kbtab->dev = input_dev;
@@ -188,12 +187,13 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i 
static void kbtab_disconnect(struct usb_interface *intf)

{

	struct kbtab *kbtab = usb_get_intfdata(intf);

	struct usb_device *udev = interface_to_usbdev(intf);



	usb_set_intfdata(intf, NULL);



	input_unregister_device(kbtab->dev);

	usb_free_urb(kbtab->irq);

	usb_free_coherent(kbtab->usbdev, 8, kbtab->data, kbtab->data_dma);

	usb_free_coherent(udev, 8, kbtab->data, kbtab->data_dma);

	kfree(kbtab);

}