| Message ID | Y9xjizhMujNEtpB4@work |
|---|---|
| State | New |
| Headers | show |
| Series | [next] brcmfmac: Replace one-element array with flexible-array member | expand |
On Thu, Feb 02, 2023 at 07:29:47PM -0600, Gustavo A. R. Silva wrote: > One-element arrays are deprecated, and we are replacing them with flexible > array members instead. So, replace one-element array with flexible-array > member in struct brcmf_tlv. > > 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]. > > This results in no differences in binary output. > > Link: https://github.com/KSPP/linux/issues/79 > Link: https://github.com/KSPP/linux/issues/253 > Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1] > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Kees Cook <keescook@chromium.org>
"Gustavo A. R. Silva" <gustavoars@kernel.org> wrote: > One-element arrays are deprecated, and we are replacing them with flexible > array members instead. So, replace one-element array with flexible-array > member in struct brcmf_tlv. > > 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]. > > This results in no differences in binary output. > > Link: https://github.com/KSPP/linux/issues/79 > Link: https://github.com/KSPP/linux/issues/253 > Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1] > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> > Reviewed-by: Kees Cook <keescook@chromium.org> Patch applied to wireless-next.git, thanks. 552ac55ee9bc wifi: brcmfmac: Replace one-element array with flexible-array member
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h index e90a30808c22..0e1fa3f0dea2 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h @@ -383,7 +383,7 @@ struct brcmf_cfg80211_info { struct brcmf_tlv { u8 id; u8 len; - u8 data[1]; + u8 data[]; }; static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
One-element arrays are deprecated, and we are replacing them with flexible array members instead. So, replace one-element array with flexible-array member in struct brcmf_tlv. 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]. This results in no differences in binary output. Link: https://github.com/KSPP/linux/issues/79 Link: https://github.com/KSPP/linux/issues/253 Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1] Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)