On 11/18/22 22:11, Kees Cook wrote:
Zero-length arrays are deprecated[1] and are being replaced with flexible array members in support of the ongoing efforts to tighten the FORTIFY_SOURCE routines on memcpy(), correctly instrument array indexing with UBSAN_BOUNDS, and to globally enable -fstrict-flex-arrays=3. Replace zero-length array with flexible-array member. This results in no differences in binary output. [1] https://github.com/KSPP/linux/issues/78 Cc: Christian Lamparter <chunkeey@xxxxxxxxxxxxxx> Cc: Kalle Valo <kvalo@xxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Eric Dumazet <edumazet@xxxxxxxxxx> Cc: Jakub Kicinski <kuba@xxxxxxxxxx> Cc: Paolo Abeni <pabeni@xxxxxxxxxx> Cc: "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx> Cc: linux-wireless@xxxxxxxxxxxxxxx Cc: netdev@xxxxxxxxxxxxxxx Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Acked-by: Christian Lamparter <chunkeey@xxxxxxxxx>
--- drivers/net/wireless/ath/carl9170/fwcmd.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/carl9170/fwcmd.h b/drivers/net/wireless/ath/carl9170/fwcmd.h index 4a500095555c..ff4b3b50250c 100644 --- a/drivers/net/wireless/ath/carl9170/fwcmd.h +++ b/drivers/net/wireless/ath/carl9170/fwcmd.h @@ -118,10 +118,10 @@ struct carl9170_reg_list { } __packed;struct carl9170_write_reg {- struct { + DECLARE_FLEX_ARRAY(struct { __le32 addr; __le32 val; - } regs[0] __packed; + } __packed, regs); } __packed;struct carl9170_write_reg_byte {
