Re: [PATCH net-next] tun: use pskb_may_pull_reason() and remove SKB_DROP_REASON_HDR_TRUNC

[Anton Danilov]

On Thu, Oct 01, 2026 at 03:00:37PM -0400, Willem de Bruijn wrote:
> Anton Danilov wrote:
> >  	case IFF_TAP:
> > -		if (!pskb_may_pull(skb, ETH_HLEN)) {
> > +		drop_reason = pskb_may_pull_reason(skb, ETH_HLEN);
>
> Should we update the skb_may_pull in the above IFF_TUN similarly?

I left it out because that pull never used HDR_TRUNC, so converting it
is a separate change: its drop is reported as NOT_SPECIFIED today, and
with pskb_may_pull_reason() it becomes PKT_TOO_SMALL.

I will convert it in v2.