Re: [PATCH net] net: marvell: prestera: use unaligned accessors for DSA tag

From: Runyu Xiao

Date: Sat Jun 20 2026 - 06:37:02 EST


On Sat, 20 Jun 2026 17:47:50 +0800, David Laight wrote:
> Stop sending these 'fixes' unless you can do proper analysis.
> skb data is guaranteed to be aligned so that these reads (and ones of
> the IP/TCP/UDP headers) are aligned.

You are right. I treated the DSA tag buffer as a generic byte buffer and
did not account for the skb data alignment guarantees in this path.

Please drop this patch. I will re-check the remaining reports against
the relevant subsystem alignment contracts before sending anything else.

pw-bot: changes-requested

Thanks,
Runyu