netdev - Re: [PATCH bpf-next] bpf, net: Introduce skb_pointer_if

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Message-ID: <20230719102035.4710b202@kernel.org>
Date: Wed, 19 Jul 2023 10:20:35 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc: davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
 daniel@...earbox.net, andrii@...nel.org, netdev@...r.kernel.org,
 bpf@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH bpf-next] bpf, net: Introduce skb_pointer_if_linear().

On Tue, 18 Jul 2023 16:40:21 -0700 Alexei Starovoitov wrote:
> From: Alexei Starovoitov <ast@...nel.org>
> 
> Network drivers always call skb_header_pointer() with non-null buffer.
> Remove !buffer check to prevent accidental misuse of skb_header_pointer().
> Introduce skb_pointer_if_linear() instead.
> 
> Reported-by: Jakub Kicinski <kuba@...nel.org>
> Signed-off-by: Alexei Starovoitov <ast@...nel.org>

Acked-by: Jakub Kicinski <kuba@...nel.org>

Thanks!