linux-kernel - Re: [PATCH 2/4] wifi: ath10k: Use DECLARE_FLEX_ARRAY() for ath10k_htc

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Message-ID: <99b98f17-3cb2-4658-b183-a0c9d6709d6f@embeddedor.com>
Date:   Mon, 27 Nov 2023 10:24:16 -0600
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jeff Johnson <quic_jjohnson@...cinc.com>,
        Kalle Valo <kvalo@...nel.org>
Cc:     "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 2/4] wifi: ath10k: Use DECLARE_FLEX_ARRAY() for
 ath10k_htc_record



On 11/27/23 10:14, Jeff Johnson wrote:
> Transform the zero-length arrays in ath10k_htc_record into proper
> flexible arrays 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>

Reviewed-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Thanks
--
Gustavo

> ---
>   drivers/net/wireless/ath/ath10k/htc.h | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h
> index 9cbb901d35e5..c6c392f8630c 100644
> --- a/drivers/net/wireless/ath/ath10k/htc.h
> +++ b/drivers/net/wireless/ath/ath10k/htc.h
> @@ -246,9 +246,9 @@ struct ath10k_htc_lookahead_bundle {
>   struct ath10k_htc_record {
>   	struct ath10k_ath10k_htc_record_hdr hdr;
>   	union {
> -		struct ath10k_htc_credit_report credit_report[0];
> -		struct ath10k_htc_lookahead_report lookahead_report[0];
> -		struct ath10k_htc_lookahead_bundle lookahead_bundle[0];
> +		DECLARE_FLEX_ARRAY(struct ath10k_htc_credit_report, credit_report);
> +		DECLARE_FLEX_ARRAY(struct ath10k_htc_lookahead_report, lookahead_report);
> +		DECLARE_FLEX_ARRAY(struct ath10k_htc_lookahead_bundle, lookahead_bundle);
>   	};
>   } __packed __aligned(4);
>   
>