static int dscc4_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
- sync_serial_settings *line = ifr->ifr_settings.ifs_ifsu.sync;
+ sync_serial_settings __user *line = ifr->ifr_settings.ifs_ifsu.sync;
struct dscc4_dev_priv *dpriv = dscc4_priv(dev);
const size_t size = sizeof(dpriv->settings);
int ret = 0;