On Fri, 29 Mar 2024, Nicola Vetrini wrote:
> MISRA C Rule 20.7 states: "Expressions resulting from the expansion
> of macro parameters shall be enclosed in parentheses". Therefore, some
> macro definitions should gain additional parentheses to ensure that all
> current and future users will be safe with respect to expansions that
> can possibly alter the semantics of the passed-in macro parameter.
>
> No functional change.
>
> Signed-off-by: Nicola Vetrini <nicola.vetr...@bugseng.com>
Reviewed-by: Stefano Stabellini <sstabell...@kernel.org>
> ---
> xen/include/public/arch-arm.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/xen/include/public/arch-arm.h b/xen/include/public/arch-arm.h
> index a25e87dbda3a..e167e14f8df9 100644
> --- a/xen/include/public/arch-arm.h
> +++ b/xen/include/public/arch-arm.h
> @@ -209,7 +209,7 @@
> do { \
> __typeof__(&(hnd)) _sxghr_tmp = &(hnd); \
> _sxghr_tmp->q = 0; \
> - _sxghr_tmp->p = val; \
> + _sxghr_tmp->p = (val); \
> } while ( 0 )
> #define set_xen_guest_handle(hnd, val) set_xen_guest_handle_raw(hnd, val)
>
> --
> 2.34.1
>
