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iwlegacy: Replace zero-length arrays with DECLARE_FLEX_ARRAY() helper

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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>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/YzIvzc0jsYLigO8a@work
This commit is contained in:
Gustavo A. R. Silva 2022-09-26 18:03:41 -05:00 committed by Kalle Valo
parent 413cda9564
commit 56df3d408a
1 changed files with 2 additions and 2 deletions
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4
drivers/net/wireless/intel/iwlegacy/commands.h
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@ -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;