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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@kernel.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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