#include <linux/module.h>
 #include <linux/sched.h>
+#include <linux/stddef.h>
 #include <linux/init.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
                               usb_sndctrlpipe(dev->udev, 0),
                               DM_WRITE_REG,
                               USB_DIR_OUT | USB_TYPE_VENDOR |USB_RECIP_DEVICE,
-                              value, reg, 0, 0, USB_CTRL_SET_TIMEOUT);
+                              value, reg, NULL, 0, USB_CTRL_SET_TIMEOUT);
 }
 
 static void dm_write_async_callback(struct urb *urb)
 
        usb_fill_control_urb(urb, dev->udev,
                             usb_sndctrlpipe(dev->udev, 0),
-                            (void *)req, 0, 0, dm_write_async_callback, req);
+                            (void *)req, NULL, 0, dm_write_async_callback, req);
 
        status = usb_submit_urb(urb, GFP_ATOMIC);
        if (status < 0) {