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path: root/drivers/usb/input/appletouch.c
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Diffstat (limited to 'drivers/usb/input/appletouch.c')
-rw-r--r--drivers/usb/input/appletouch.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/usb/input/appletouch.c b/drivers/usb/input/appletouch.c
index c77291d3d063..e3215267db11 100644
--- a/drivers/usb/input/appletouch.c
+++ b/drivers/usb/input/appletouch.c
@@ -466,7 +466,7 @@ exit:
static int atp_open(struct input_dev *input)
{
- struct atp *dev = input->private;
+ struct atp *dev = input_get_drvdata(input);
if (usb_submit_urb(dev->urb, GFP_ATOMIC))
return -EIO;
@@ -477,7 +477,7 @@ static int atp_open(struct input_dev *input)
static void atp_close(struct input_dev *input)
{
- struct atp *dev = input->private;
+ struct atp *dev = input_get_drvdata(input);
usb_kill_urb(dev->urb);
dev->open = 0;
@@ -491,8 +491,7 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id
struct usb_host_interface *iface_desc;
struct usb_endpoint_descriptor *endpoint;
int int_in_endpointAddr = 0;
- int i, retval = -ENOMEM;
-
+ int i, error = -ENOMEM;
/* set up the endpoint information */
/* use only the first interrupt-in endpoint */
@@ -567,17 +566,13 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id
}
dev->urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!dev->urb) {
- retval = -ENOMEM;
+ if (!dev->urb)
goto err_free_devs;
- }
dev->data = usb_buffer_alloc(dev->udev, dev->datalen, GFP_KERNEL,
&dev->urb->transfer_dma);
- if (!dev->data) {
- retval = -ENOMEM;
+ if (!dev->data)
goto err_free_urb;
- }
usb_fill_int_urb(dev->urb, udev,
usb_rcvintpipe(udev, int_in_endpointAddr),
@@ -589,9 +584,10 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id
input_dev->name = "appletouch";
input_dev->phys = dev->phys;
usb_to_input_id(dev->udev, &input_dev->id);
- input_dev->cdev.dev = &iface->dev;
+ input_dev->dev.parent = &iface->dev;
+
+ input_set_drvdata(input_dev, dev);
- input_dev->private = dev;
input_dev->open = atp_open;
input_dev->close = atp_close;
@@ -633,20 +629,25 @@ static int atp_probe(struct usb_interface *iface, const struct usb_device_id *id
set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit);
set_bit(BTN_LEFT, input_dev->keybit);
- input_register_device(dev->input);
+ error = input_register_device(dev->input);
+ if (error)
+ goto err_free_buffer;
/* save our data pointer in this interface device */
usb_set_intfdata(iface, dev);
return 0;
+ err_free_buffer:
+ usb_buffer_free(dev->udev, dev->datalen,
+ dev->data, dev->urb->transfer_dma);
err_free_urb:
usb_free_urb(dev->urb);
err_free_devs:
usb_set_intfdata(iface, NULL);
kfree(dev);
input_free_device(input_dev);
- return retval;
+ return error;
}
static void atp_disconnect(struct usb_interface *iface)