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carl9170: Replace zero-length array 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/215
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/YzIdWc8QSdZFHBYg@work
This commit is contained in:
Gustavo A. R. Silva 2022-09-26 16:44:57 -05:00 committed by Kalle Valo
parent 00d942e779
commit 9ec6e20776
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/carl9170/wlan.h
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@ -271,7 +271,7 @@ struct ar9170_tx_frame {
union {
struct ieee80211_hdr i3e;
u8 payload[0];
DECLARE_FLEX_ARRAY(u8, payload);
} data;
} __packed;