linux-hardening - Re: [PATCH][next] sched: act_ct: avoid -Wflex-array-member-not-at-end warning

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Message-ID: <20240807161819.GA3006561@kernel.org>
Date: Wed, 7 Aug 2024 17:18:19 +0100
From: Simon Horman <horms@...nel.org>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: Jamal Hadi Salim <jhs@...atatu.com>,
	Cong Wang <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] sched: act_ct: avoid
 -Wflex-array-member-not-at-end warning

On Mon, Aug 05, 2024 at 09:35:46AM -0600, Gustavo A. R. Silva wrote:
> -Wflex-array-member-not-at-end was introduced in GCC-14, and we are
> getting ready to enable it, globally.
> 
> Move the conflicting declaration to the end of the structure. Notice
> that `struct zones_ht_key` is a flexible structure --a structure that
> contains a flexible-array member.
> 
> Fix the following warning:
> net/sched/act_ct.c:57:29: warning: structure containing a flexible array member is not at the end of another structure [-Wflex-array-member-not-at-end]
> 
> Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Reviewed-by: Simon Horman <horms@...nel.org>