static int dlfb_select_std_channel(struct dlfb_data *dlfb)
{
int ret;
- void *buf;
static const u8 set_def_chn[] = {
0x57, 0xCD, 0xDC, 0xA7,
0x1C, 0x88, 0x5E, 0x15,
0x60, 0xFE, 0xC6, 0x97,
0x16, 0x3D, 0x47, 0xF2 };
- buf = kmemdup(set_def_chn, sizeof(set_def_chn), GFP_KERNEL);
-
- if (!buf)
- return -ENOMEM;
-
- ret = usb_control_msg(dlfb->udev, usb_sndctrlpipe(dlfb->udev, 0),
- NR_USB_REQUEST_CHANNEL,
+ ret = usb_control_msg_send(dlfb->udev, 0, NR_USB_REQUEST_CHANNEL,
(USB_DIR_OUT | USB_TYPE_VENDOR), 0, 0,
- buf, sizeof(set_def_chn), USB_CTRL_SET_TIMEOUT);
-
- kfree(buf);
+ &set_def_chn, sizeof(set_def_chn), USB_CTRL_SET_TIMEOUT,
+ GFP_KERNEL);
return ret;
}