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Message-ID: <87edg0pt17.fsf@kernel.org>
Date: Tue, 05 Dec 2023 17:29:08 +0200
From: Kalle Valo <kvalo@...nel.org>
To: Jeff Johnson <quic_jjohnson@...cinc.com>
Cc: "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
"Gustavo A. R. Silva" <gustavoars@...nel.org>,
Kees Cook <keescook@...omium.org>,
<ath10k@...ts.infradead.org>, <ath11k@...ts.infradead.org>,
<linux-wireless@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] wifi: ath11k: Use DECLARE_FLEX_ARRAY() for
ath11k_htc_record
Jeff Johnson <quic_jjohnson@...cinc.com> writes:
> On 11/27/2023 8:23 AM, Gustavo A. R. Silva wrote:
>
>>
>>
>> On 11/27/23 10:14, Jeff Johnson wrote:
>>> Transform the zero-length array in ath11k_htc_record into a proper
>>> flexible array via the DECLARE_FLEX_ARRAY() macro. This helps with
>>> ongoing efforts to globally enable -Warray-bounds.
>>>
>>> Signed-off-by: Jeff Johnson <quic_jjohnson@...cinc.com>
>>> ---
>>> drivers/net/wireless/ath/ath11k/htc.h | 2 +-
>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/net/wireless/ath/ath11k/htc.h b/drivers/net/wireless/ath/ath11k/htc.h
>>> index 84971cc9251c..e0434b29df70 100644
>>> --- a/drivers/net/wireless/ath/ath11k/htc.h
>>> +++ b/drivers/net/wireless/ath/ath11k/htc.h
>>> @@ -151,7 +151,7 @@ struct ath11k_htc_credit_report {
>>> struct ath11k_htc_record {
>>> struct ath11k_htc_record_hdr hdr;
>>> union {
>>> - struct ath11k_htc_credit_report credit_report[0];
>>> + DECLARE_FLEX_ARRAY(struct ath11k_htc_credit_report, credit_report);
>>> };
>>
>> Why not removing the `union` and just do a direct transformation [0] -> [ ] ?
>
> No reason other than staying consistent with ath10k.
> Will see if Kalle has an opinion on this.
Yeah, I don't see the need for the union and I removed it in the pending
branch:
https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=pending&id=a2faeea1fe0635563187e7821a6d0baf7b40f2c6
Does it look ok?
--
https://patchwork.kernel.org/project/linux-wireless/list/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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