| Message ID | Yw00w6XRcq7B6ub6@work (mailing list archive) |
|---|---|
| State | Mainlined |
| Commit | 6fc5d84e6d85dcb3af6ba32c45fc65304946f134 |
| Headers | show |
| Series | [next] can: etas_es58x: Replace zero-length array with DECLARE_FLEX_ARRAY() helper | expand |
On Mon, Aug 29, 2022 at 04:50:59PM -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 array > declaration in union es58x_urb_cmd with the new DECLARE_FLEX_ARRAY() > helper macro. > > This helper allows for a flexible-array member in a union. > > Link: https://github.com/KSPP/linux/issues/193 > 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>
On Tue. 30 Aug. 2022 at 07:15, Kees Cook <keescook@chromium.org> wrote: > On Mon, Aug 29, 2022 at 04:50:59PM -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 array > > declaration in union es58x_urb_cmd with the new DECLARE_FLEX_ARRAY() > > helper macro. > > > > This helper allows for a flexible-array member in a union. > > > > Link: https://github.com/KSPP/linux/issues/193 > > 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> Acked-by: Vincent Mailhol <mailhol.vincent@wanadoo.fr> Yours sincerely, Vincent Mailhol
On 29.08.2022 16:50:59, 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 array > declaration in union es58x_urb_cmd with the new DECLARE_FLEX_ARRAY() > helper macro. > > This helper allows for a flexible-array member in a union. > > Link: https://github.com/KSPP/linux/issues/193 > Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Applied to linux-can-next. Thanks, Marc
diff --git a/drivers/net/can/usb/etas_es58x/es58x_core.h b/drivers/net/can/usb/etas_es58x/es58x_core.h index d769bdf740b7..640fe0a1df63 100644 --- a/drivers/net/can/usb/etas_es58x/es58x_core.h +++ b/drivers/net/can/usb/etas_es58x/es58x_core.h @@ -222,7 +222,7 @@ union es58x_urb_cmd { u8 cmd_type; u8 cmd_id; } __packed; - u8 raw_cmd[0]; + DECLARE_FLEX_ARRAY(u8, raw_cmd); }; /**
Zero-length arrays are deprecated and we are moving towards adopting C99 flexible-array members, instead. So, replace zero-length array declaration in union es58x_urb_cmd with the new DECLARE_FLEX_ARRAY() helper macro. This helper allows for a flexible-array member in a union. Link: https://github.com/KSPP/linux/issues/193 Link: https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/net/can/usb/etas_es58x/es58x_core.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)