Lines Matching defs:buf
166 char buf[30];
175 sprintf(buf, "%1d%1d.%1d%1d",
180 if (copy_to_user((void __user *)arg, buf, strlen(buf)) != 0)
184 sprintf(buf, DRIVER_VERSION);
185 if (copy_to_user((void __user *)arg, buf, strlen(buf)) != 0)
223 char *buf = NULL;
249 buf = usb_alloc_coherent(dev->udev, count, GFP_KERNEL,
251 if (!buf) {
256 if (copy_from_user(buf, user_buffer, count)) {
265 buf, count, lcd_write_bulk_callback, dev);
289 usb_free_coherent(dev->udev, count, buf, urb->transfer_dma);