linux-kernel - Re: [PATCH][next] wifi: iwlwifi: mvm: d3: Avoid -Wflex-array-member-not-at-end warnings

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Message-ID: <7f16ef040821818a0ac8f35b5636877eb7041bd8.camel@sipsolutions.net>
Date: Mon, 07 Apr 2025 22:34:27 +0200
From: Johannes Berg <johannes@...solutions.net>
To: Kees Cook <kees@...nel.org>, "Gustavo A. R. Silva"
 <gustavoars@...nel.org>
Cc: Miri Korenblit <miriam.rachel.korenblit@...el.com>, 
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH][next] wifi: iwlwifi: mvm: d3: Avoid
 -Wflex-array-member-not-at-end warnings

On Mon, 2025-04-07 at 13:15 -0700, Kees Cook wrote:
> lots of quotes

It'd be really good if you could trim the quotes a bit ...

> > +		wkc->mac_id_n_color =
> > +			cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
> > +							mvmvif->color));
> > +		wkc->num_keys = 1;
> 
> Looks like struct iwl_mvm_wep_key_cmd::num_keys is the counted_by for
> struct iwl_mvm_wep_key_cmd::wep_key?

No no no. I'm still burned by you adding this to various places
elsewhere in the wireless stack, let's not.

Btw, Gustavo, I think it was probably the other iwlwifi patch, but
please also make sure kernel-doc doesn't start complaining, we are
trying keep it that way.

johannes