[xen staging] EFI: address violations of MISRA C Rule 20.7

[patchbot@xxxxxxx]

commit 8e7207d512aa96cd55177b29656610150ed577a5
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Tue Mar 19 11:28:28 2024 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Mar 19 11:28:28 2024 +0100

    EFI: 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>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/include/efi/efierr.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/efi/efierr.h b/xen/include/efi/efierr.h
index dfd3d3cf48..cdca210414 100644
--- a/xen/include/efi/efierr.h
+++ b/xen/include/efi/efierr.h
@@ -22,7 +22,7 @@ Revision History
 
 
 #define EFIWARN(a)                            (a)
-#define EFI_ERROR(a)              (((INTN) a) < 0)
+#define EFI_ERROR(a)              ((INTN)(a) < 0)
 
 
 #define EFI_SUCCESS                             0
--
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