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path: root/drivers/usb/input/acecad.c
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Diffstat (limited to 'drivers/usb/input/acecad.c')
-rw-r--r--drivers/usb/input/acecad.c28
1 files changed, 19 insertions, 9 deletions
diff --git a/drivers/usb/input/acecad.c b/drivers/usb/input/acecad.c
index 909138e5aa04..be8e9243c062 100644
--- a/drivers/usb/input/acecad.c
+++ b/drivers/usb/input/acecad.c
@@ -111,7 +111,7 @@ resubmit:
static int usb_acecad_open(struct input_dev *dev)
{
- struct usb_acecad *acecad = dev->private;
+ struct usb_acecad *acecad = input_get_drvdata(dev);
acecad->irq->dev = acecad->usbdev;
if (usb_submit_urb(acecad->irq, GFP_KERNEL))
@@ -122,7 +122,7 @@ static int usb_acecad_open(struct input_dev *dev)
static void usb_acecad_close(struct input_dev *dev)
{
- struct usb_acecad *acecad = dev->private;
+ struct usb_acecad *acecad = input_get_drvdata(dev);
usb_kill_urb(acecad->irq);
}
@@ -135,6 +135,7 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
struct usb_acecad *acecad;
struct input_dev *input_dev;
int pipe, maxp;
+ int err = -ENOMEM;
if (interface->desc.bNumEndpoints != 1)
return -ENODEV;
@@ -149,16 +150,22 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
acecad = kzalloc(sizeof(struct usb_acecad), GFP_KERNEL);
input_dev = input_allocate_device();
- if (!acecad || !input_dev)
+ if (!acecad || !input_dev) {
+ err = -ENOMEM;
goto fail1;
+ }
acecad->data = usb_buffer_alloc(dev, 8, GFP_KERNEL, &acecad->data_dma);
- if (!acecad->data)
+ if (!acecad->data) {
+ err= -ENOMEM;
goto fail1;
+ }
acecad->irq = usb_alloc_urb(0, GFP_KERNEL);
- if (!acecad->irq)
+ if (!acecad->irq) {
+ err = -ENOMEM;
goto fail2;
+ }
acecad->usbdev = dev;
acecad->input = input_dev;
@@ -178,8 +185,9 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
input_dev->name = acecad->name;
input_dev->phys = acecad->phys;
usb_to_input_id(dev, &input_dev->id);
- input_dev->cdev.dev = &intf->dev;
- input_dev->private = acecad;
+ input_dev->dev.parent = &intf->dev;
+
+ input_set_drvdata(input_dev, acecad);
input_dev->open = usb_acecad_open;
input_dev->close = usb_acecad_close;
@@ -221,7 +229,9 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
acecad->irq->transfer_dma = acecad->data_dma;
acecad->irq->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- input_register_device(acecad->input);
+ err = input_register_device(acecad->input);
+ if (err)
+ goto fail2;
usb_set_intfdata(intf, acecad);
@@ -230,7 +240,7 @@ static int usb_acecad_probe(struct usb_interface *intf, const struct usb_device_
fail2: usb_buffer_free(dev, 8, acecad->data, acecad->data_dma);
fail1: input_free_device(input_dev);
kfree(acecad);
- return -ENOMEM;
+ return err;
}
static void usb_acecad_disconnect(struct usb_interface *intf)