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Date: Wed, 19 Nov 2025 14:40:04 -0800
From: Kees Cook <kees@kernel.org>
To: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Cc: Jakub Kicinski <kuba@kernel.org>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>, Paolo Abeni <pabeni@redhat.com>,
	Simon Horman <horms@kernel.org>, netdev@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH][next] net: inet_sock.h: Avoid thousands of
 -Wflex-array-member-not-at-end warnings
Message-ID: <202511191439.C737EF792@keescook>
References: <aPdx4iPK4-KIhjFq@kspp>
 <20251023172518.3f370477@kernel.org>
 <949f472c-baca-4c2f-af23-7ba76fff1ddc@embeddedor.com>
 <20251024162354.0a94e4b1@kernel.org>
 <bf9c2ceb-f80f-4fea-999d-4f46b2369721@embeddedor.com>
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In-Reply-To: <bf9c2ceb-f80f-4fea-999d-4f46b2369721@embeddedor.com>

On Tue, Nov 18, 2025 at 01:36:41PM +0900, Gustavo A. R. Silva wrote:
>  struct ip_options_data {
>  	struct ip_options_rcu	opt;
> -	char			data[40];
>  };

If this just contains struct ip_options_rcu now, can ip_options_data
just be removed entirely?

-Kees

-- 
Kees Cook