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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 <gustavoars@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/YzIcoloIQBDqGlgc@work
This commit is contained in:
Gustavo A. R. Silva 2022-09-27 09:18:55 +03:00 committed by Kalle Valo
parent e5398f92d1
commit 00d942e779
1 changed files with 4 additions and 2 deletions
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6
drivers/net/wireless/ath/ath10k/htt.h
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@ -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;