| Message ID | YzIcoloIQBDqGlgc@work (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 00d942e779c24581932125a58d8b9a2938e9e7ce |
| Delegated to: | Kalle Valo |
| Headers | show |
| Series | [next] ath10k: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper | expand |
On Mon, Sep 26, 2022 at 04:41:54PM -0500, Gustavo A. R. Silva wrote: > 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>
"Gustavo A. R. Silva" <gustavoars@kernel.org> wrote: > 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> Patch applied to ath-next branch of ath.git, thanks. 00d942e779c2 wifi: ath10k: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
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;
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(-)