[xen staging] xen/self-tests: address violations of MISRA rule 20.7

[patchbot@xxxxxxx]

commit 4929fea7bd7322da2ede70f2ea53c3696c83032e
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Thu Jun 27 13:46:02 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Jun 27 13:46:02 2024 +0200

    xen/self-tests: address violations of MISRA 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: Jan Beulich <jbeulich@xxxxxxxx>
    Release-Acked-by: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
---
 xen/include/xen/self-tests.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/include/xen/self-tests.h b/xen/include/xen/self-tests.h
index 42a4cc4d17..58484fe5a8 100644
--- a/xen/include/xen/self-tests.h
+++ b/xen/include/xen/self-tests.h
@@ -19,11 +19,11 @@
 #if !defined(CONFIG_CC_IS_CLANG) || CONFIG_CLANG_VERSION >= 80000
 #define COMPILE_CHECK(fn, val, res)                                     \
     do {                                                                \
-        typeof(fn(val)) real = fn(val);                                 \
+        typeof((fn)(val)) real = (fn)(val);                             \
                                                                         \
         if ( !__builtin_constant_p(real) )                              \
             asm ( ".error \"'" STR(fn(val)) "' not compile-time constant\"" ); 
\
-        else if ( real != res )                                         \
+        else if ( real != (res) )                                       \
             asm ( ".error \"Compile time check '" STR(fn(val) == res) "' 
failed\"" ); \
     } while ( 0 )
 #else
@@ -37,9 +37,9 @@
  */
 #define RUNTIME_CHECK(fn, val, res)                     \
     do {                                                \
-        typeof(fn(val)) real = fn(HIDE(val));           \
+        typeof((fn)(val)) real = (fn)(HIDE(val));       \
                                                         \
-        if ( real != res )                              \
+        if ( real != (res) )                            \
             panic("%s: %s(%s) expected %u, got %u\n",   \
                   __func__, #fn, #val, real, res);      \
     } while ( 0 )
--
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