interface = usb_find_interface(&lcd_driver, subminor);
if (!interface) {
err ("USBLCD: %s - error, can't find device for minor %d",
- __FUNCTION__, subminor);
+ __func__, subminor);
return -ENODEV;
}
return retval;
}
-static int lcd_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long lcd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct usb_lcd *dev;
u16 bcdDevice;
switch (cmd) {
case IOCTL_GET_HARD_VERSION:
+ lock_kernel();
bcdDevice = le16_to_cpu((dev->udev)->descriptor.bcdDevice);
sprintf(buf,"%1d%1d.%1d%1d",
(bcdDevice & 0xF000)>>12,
(bcdDevice & 0xF00)>>8,
(bcdDevice & 0xF0)>>4,
(bcdDevice & 0xF));
+ unlock_kernel();
if (copy_to_user((void __user *)arg,buf,strlen(buf))!=0)
return -EFAULT;
break;
struct usb_lcd *dev;
int status = urb->status;
- dev = (struct usb_lcd *)urb->context;
+ dev = urb->context;
/* sync/async unlink faults aren't errors */
if (status &&
status == -ECONNRESET ||
status == -ESHUTDOWN)) {
dbg("USBLCD: %s - nonzero write bulk status received: %d",
- __FUNCTION__, status);
+ __func__, status);
}
/* free up our allocated buffer */
/* send the data out the bulk port */
retval = usb_submit_urb(urb, GFP_KERNEL);
if (retval) {
- err("USBLCD: %s - failed submitting write urb, error %d", __FUNCTION__, retval);
+ err("USBLCD: %s - failed submitting write urb, error %d", __func__, retval);
goto error_unanchor;
}
.read = lcd_read,
.write = lcd_write,
.open = lcd_open,
- .ioctl = lcd_ioctl,
+ .unlocked_ioctl = lcd_ioctl,
.release = lcd_release,
};
dev->interface = interface;
if (le16_to_cpu(dev->udev->descriptor.idProduct) != 0x0001) {
- warn(KERN_INFO "USBLCD model not supported.");
+ dev_warn(&interface->dev, "USBLCD model not supported.\n");
return -ENODEV;
}