"Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx> wrote: > Zero-length arrays as fake flexible arrays are deprecated and we are > moving towards adopting C99 flexible-array members instead. > > Address the following warning found with GCC-13 and > -fstrict-flex-arrays=3 enabled: > In function ‘fortify_memset_chk’, > inlined from ‘rtl_usb_probe’ at drivers/net/wireless/realtek/rtlwifi/usb.c:1044:2: > ./include/linux/fortify-string.h:430:25: warning: call to ‘__write_overflow_field’ declared with attribute warning: detected write beyond size of field (1st parameter); maybe use struct_group()? [-Wattribute-warning] > 430 | __write_overflow_field(p_size_field, size); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > This helps with the ongoing efforts to tighten the FORTIFY_SOURCE > routines on memcpy() and help us make progress towards globally > enabling -fstrict-flex-arrays=3 [1]. > > Link: https://github.com/KSPP/linux/issues/21 > Link: https://github.com/KSPP/linux/issues/277 > Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1] > Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx> > Reviewed-by: Simon Horman <simon.horman@xxxxxxxxxxxx> > Acked-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> Patch applied to wireless-next.git, thanks. 82d6077901c6 wifi: rtlwifi: Replace fake flex-array with flex-array member -- https://patchwork.kernel.org/project/linux-wireless/patch/ZBz4x+MWoI/f65o1@work/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches