From: Gustavo A. R. Silva Date: Tue, 27 Sep 2022 06:18:55 +0000 (+0300) Subject: wifi: ath10k: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=00d942e779c24581932125a58d8b9a2938e9e7ce;p=linux.git wifi: 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 Reviewed-by: Kees Cook Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/YzIcoloIQBDqGlgc@work --- diff --git a/drivers/net/wireless/ath/ath10k/htt.h b/drivers/net/wireless/ath/ath10k/htt.h index f06cf39204e2c..c051a22fce145 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;