}
static ssize_t
-ov51x_v4l1_read(struct file *file, char *buf, size_t cnt, loff_t *ppos)
+ov51x_v4l1_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos)
{
struct video_device *vdev = file->private_data;
int noblock = file->f_flags&O_NONBLOCK;