Re: [PATCH][next] wifi: rndis_wlan: Replace fake flex-array with flexible-array member

From: Kalle Valo
Date: Fri Mar 31 2023 - 10:48:46 EST


"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-array=3 enabled:
> drivers/net/wireless/rndis_wlan.c:2902:23: warning: array subscript 0 is outside array bounds of ‘struct ndis_80211_auth_request[0]’ [-Warray-bounds=]
>
> 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/274
> Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1]
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>

Patch applied to wireless-next.git, thanks.

06dabcccc08b wifi: rndis_wlan: Replace fake flex-array with flexible-array member

--
https://patchwork.kernel.org/project/linux-wireless/patch/ZBtIbU77L9eXqa4j@work/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches