[xen staging] xen/xsm: add parentheses to comply with MISRA C Rule 20.7

[patchbot@xxxxxxx]

commit 6f6de10ade5ade907f9e3f3c72b7b18f7852d9ff
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Mon Mar 25 10:49:19 2024 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Mar 25 10:49:19 2024 +0100

    xen/xsm: add parentheses to comply with 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>
    Acked-by: Daniel P. Smith <dpsmith@xxxxxxxxxxxxxxxxxxxx>
---
 xen/include/xsm/dummy.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/include/xsm/dummy.h b/xen/include/xsm/dummy.h
index 8671af1ba4..88039fdd22 100644
--- a/xen/include/xsm/dummy.h
+++ b/xen/include/xsm/dummy.h
@@ -58,7 +58,7 @@ void __xsm_action_mismatch_detected(void);
 
 #define XSM_DEFAULT_ARG /* */
 #define XSM_DEFAULT_VOID void
-#define XSM_ASSERT_ACTION(def) xsm_default_t action = def; (void)action
+#define XSM_ASSERT_ACTION(def) xsm_default_t action = (def); (void)action
 
 #else /* CONFIG_XSM */
 
@@ -71,7 +71,7 @@ void __xsm_action_mismatch_detected(void);
 #define XSM_INLINE always_inline
 #define XSM_DEFAULT_ARG xsm_default_t action,
 #define XSM_DEFAULT_VOID xsm_default_t action
-#define XSM_ASSERT_ACTION(def) LINKER_BUG_ON(def != action)
+#define XSM_ASSERT_ACTION(def) LINKER_BUG_ON((def) != action)
 
 #endif /* CONFIG_XSM */
 
--
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