unsigned int cmd, unsigned long arg)
{
struct hd_i_struct *disk = inode->i_bdev->bd_disk->private_data;
- struct hd_geometry *loc = (struct hd_geometry *) arg;
+ struct hd_geometry __user *loc = (struct hd_geometry __user *) arg;
struct hd_geometry g;
if (cmd != HDIO_GETGEO)