From 4929fea7bd7322da2ede70f2ea53c3696c83032e Mon Sep 17 00:00:00 2001 From: Nicola Vetrini Date: Thu, 27 Jun 2024 13:46:02 +0200 Subject: [PATCH] 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 Reviewed-by: Jan Beulich Release-Acked-by: Oleksii Kurochko --- 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 )