Re: [PATCH net-next v4 1/5] net: dsa: mv88e6xxx: only time stamp PTPv2 frames

> [Severity: High]
> This isn't a bug introduced by this patch, but does ptp_parse_header()
> guarantee that the returned header is in the linear region of the skb?

This is a pre-existing bug shared by every caller of ptp_parse_header().

> [Severity: High]
> This is another pre-existing issue, but does using the
> MV88E6XXX_HWTSTAMP_ENABLED bit flag provide adequate synchronization?

Worst case is a timestamp request being dropped mid-reconfiguration. I don’t think this is worth addressing.

Luke