Arnd Bergmann <arnd@xxxxxxxxxx> wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > struct rtw89_btc_btf_tlv contains a one-byte member that is intended as a > flexible array: > > In function 'fortify_memcpy_chk', > inlined from '_append_tdma' at drivers/net/wireless/realtek/rtw89/coex.c:1579:3: > include/linux/fortify-string.h:583:25: error: call to '__write_overflow_field' declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Werror=attribute-warning] > 583 | __write_overflow_field(p_size_field, size); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > Make this actually use a flexible array to let the compiler understand. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > Reviewed-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> > Reviewed-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx> Patch applied to wireless-next.git, thanks. 47e612268ea0 wifi: rtw89: use flexible array member in rtw89_btc_btf_tlv -- https://patchwork.kernel.org/project/linux-wireless/patch/20230523113241.2772811-1-arnd@xxxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches