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path: root/drivers/usb/input/kbtab.c
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Diffstat (limited to 'drivers/usb/input/kbtab.c')
-rw-r--r--drivers/usb/input/kbtab.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/usb/input/kbtab.c b/drivers/usb/input/kbtab.c
index fedbcb127c2..c4781b9d129 100644
--- a/drivers/usb/input/kbtab.c
+++ b/drivers/usb/input/kbtab.c
@@ -100,7 +100,7 @@ MODULE_DEVICE_TABLE(usb, kbtab_ids);
static int kbtab_open(struct input_dev *dev)
{
- struct kbtab *kbtab = dev->private;
+ struct kbtab *kbtab = input_get_drvdata(dev);
kbtab->irq->dev = kbtab->usbdev;
if (usb_submit_urb(kbtab->irq, GFP_KERNEL))
@@ -111,7 +111,7 @@ static int kbtab_open(struct input_dev *dev)
static void kbtab_close(struct input_dev *dev)
{
- struct kbtab *kbtab = dev->private;
+ struct kbtab *kbtab = input_get_drvdata(dev);
usb_kill_urb(kbtab->irq);
}
@@ -122,6 +122,7 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
struct usb_endpoint_descriptor *endpoint;
struct kbtab *kbtab;
struct input_dev *input_dev;
+ int error = -ENOMEM;
kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL);
input_dev = input_allocate_device();
@@ -145,8 +146,9 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
input_dev->name = "KB Gear Tablet";
input_dev->phys = kbtab->phys;
usb_to_input_id(dev, &input_dev->id);
- input_dev->cdev.dev = &intf->dev;
- input_dev->private = kbtab;
+ input_dev->dev.parent = &intf->dev;
+
+ input_set_drvdata(input_dev, kbtab);
input_dev->open = kbtab_open;
input_dev->close = kbtab_close;
@@ -168,15 +170,19 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
kbtab->irq->transfer_dma = kbtab->data_dma;
kbtab->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- input_register_device(kbtab->dev);
+ error = input_register_device(kbtab->dev);
+ if (error)
+ goto fail3;
usb_set_intfdata(intf, kbtab);
+
return 0;
-fail2: usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma);
-fail1: input_free_device(input_dev);
+ fail3: usb_free_urb(kbtab->irq);
+ fail2: usb_buffer_free(dev, 10, kbtab->data, kbtab->data_dma);
+ fail1: input_free_device(input_dev);
kfree(kbtab);
- return -ENOMEM;
+ return error;
}
static void kbtab_disconnect(struct usb_interface *intf)