OFF_PTP_SEQUENCE_ID
if (skb->len < offset + OFF_PTP_SEQUENCE_ID + sizeof(short))
if (skb->len < offset + OFF_PTP_SEQUENCE_ID + sizeof(seqid))
id = get_unaligned_be16(data + offset + OFF_PTP_SEQUENCE_ID);
if (skb->len < offset + OFF_PTP_SEQUENCE_ID + sizeof(seqid))
id = (u16 *)(data + offset + OFF_PTP_SEQUENCE_ID);