| Message ID | YzIeULWc17XSIglv@work (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 413cda95648d705a7cc6c33d2e81bdccf6ea9a59 |
| Headers | show |
| Series | [next] ipw2x00: Replace zero-length array with DECLARE_FLEX_ARRAY() helper | expand |
On Mon, Sep 26, 2022 at 04:49:04PM -0500, Gustavo A. R. Silva wrote: > Zero-length arrays are deprecated and we are moving towards adopting > C99 flexible-array members, instead. So, replace zero-length arrays > declarations in anonymous union with the new DECLARE_FLEX_ARRAY() > helper macro. > > This helper allows for flexible-array members in unions. > > Link: https://github.com/KSPP/linux/issues/193 > Link: https://github.com/KSPP/linux/issues/220 > Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html > 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: > Zero-length arrays are deprecated and we are moving towards adopting > C99 flexible-array members, instead. So, replace zero-length arrays > declarations in anonymous union with the new DECLARE_FLEX_ARRAY() > helper macro. > > This helper allows for flexible-array members in unions. > > Link: https://github.com/KSPP/linux/issues/193 > Link: https://github.com/KSPP/linux/issues/220 > Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> > Reviewed-by: Kees Cook <keescook@chromium.org> Patch applied to wireless-next.git, thanks. 413cda95648d ipw2x00: Replace zero-length array with DECLARE_FLEX_ARRAY() helper
diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.h b/drivers/net/wireless/intel/ipw2x00/ipw2200.h index 55cac934f4ee..09ddd21608d4 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2200.h +++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.h @@ -651,7 +651,7 @@ struct ipw_rx_notification { struct notif_link_deterioration link_deterioration; struct notif_calibration calibration; struct notif_noise noise; - u8 raw[0]; + DECLARE_FLEX_ARRAY(u8, raw); } u; } __packed;
Zero-length arrays are deprecated and we are moving towards adopting C99 flexible-array members, instead. So, replace zero-length arrays declarations in anonymous union with the new DECLARE_FLEX_ARRAY() helper macro. This helper allows for flexible-array members in unions. Link: https://github.com/KSPP/linux/issues/193 Link: https://github.com/KSPP/linux/issues/220 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/net/wireless/intel/ipw2x00/ipw2200.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)