[xen staging] arm/public: address violations of MISRA C Rule 20.7

[patchbot@xxxxxxx]

commit 6bdb67d19ecb8c8e561d975f5c62b6a8a5783f51
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Fri Mar 29 10:11:30 2024 +0100
Commit:     Stefano Stabellini <stefano.stabellini@xxxxxxx>
CommitDate: Fri Apr 5 11:15:47 2024 -0700

    arm/public: address violations of MISRA C Rule 20.7
    
    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.vetrini@xxxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 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 a25e87dbda..e167e14f8d 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)
 
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