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Message-ID: <YzIcoloIQBDqGlgc@work> Date: Mon, 26 Sep 2022 16:41:54 -0500 From: "Gustavo A. R. Silva" <gustavoars@...nel.org> To: Kalle Valo <kvalo@...nel.org>, "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com> Cc: ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, "Gustavo A. R. Silva" <gustavoars@...nel.org>, linux-hardening@...r.kernel.org Subject: [PATCH][next] ath10k: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper Zero-length arrays are deprecated and we are moving towards adopting C99 flexible-array members, instead. So, replace zero-length arrays declarations in anonymous union with the new DECLARE_FLEX_ARRAY() helper macro. This helper allows for flexible-array members in unions. Link: https://github.com/KSPP/linux/issues/193 Link: https://github.com/KSPP/linux/issues/212 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org> --- drivers/net/wireless/ath/ath10k/htt.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index f06cf39204e2..c051a22fce14 100644 --- a/drivers/net/wireless/ath/ath10k/htt.h +++ b/drivers/net/wireless/ath/ath10k/htt.h @@ -1108,8 +1108,10 @@ struct htt_rx_in_ord_ind { u8 reserved; __le16 msdu_count; union { - struct htt_rx_in_ord_msdu_desc msdu_descs32[0]; - struct htt_rx_in_ord_msdu_desc_ext msdu_descs64[0]; + DECLARE_FLEX_ARRAY(struct htt_rx_in_ord_msdu_desc, + msdu_descs32); + DECLARE_FLEX_ARRAY(struct htt_rx_in_ord_msdu_desc_ext, + msdu_descs64); } __packed; } __packed; -- 2.34.1
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