| Message ID | YzIvzc0jsYLigO8a@work |
|---|---|
| State | New |
| Headers | show |
| Series | [next] iwlegacy: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper | expand |
On Mon, Sep 26, 2022 at 06:03:41PM -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/223 > 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/223 > 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> Patch applied to wireless-next.git, thanks. 56df3d408a8f iwlegacy: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper
diff --git a/drivers/net/wireless/intel/iwlegacy/commands.h b/drivers/net/wireless/intel/iwlegacy/commands.h index 4a97310f8fee..28cf4e832152 100644 --- a/drivers/net/wireless/intel/iwlegacy/commands.h +++ b/drivers/net/wireless/intel/iwlegacy/commands.h @@ -1710,7 +1710,7 @@ struct il4965_tx_resp { */ union { __le32 status; - struct agg_tx_status agg_status[0]; /* for each agg frame */ + DECLARE_FLEX_ARRAY(struct agg_tx_status, agg_status); /* for each agg frame */ } u; } __packed; @@ -3365,7 +3365,7 @@ struct il_rx_pkt { struct il_compressed_ba_resp compressed_ba; struct il_missed_beacon_notif missed_beacon; __le32 status; - u8 raw[0]; + DECLARE_FLEX_ARRAY(u8, raw); } u; } __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/223 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/net/wireless/intel/iwlegacy/commands.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)