From: Nicola Vetrini Date: Tue, 21 May 2024 14:01:17 +0000 (+0200) Subject: x86_64/cpu_idle: address violations of MISRA C Rule 20.7 X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=ced21fbb2842ac4655048bdee56232974ff9ff9c;p=people%2Froyger%2Fxen.git x86_64/cpu_idle: 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 Reviewed-by: Stefano Stabellini Acked-by: Jan Beulich --- diff --git a/xen/arch/x86/x86_64/cpu_idle.c b/xen/arch/x86/x86_64/cpu_idle.c index fcd6fc0fc2..cc9febc03d 100644 --- a/xen/arch/x86/x86_64/cpu_idle.c +++ b/xen/arch/x86/x86_64/cpu_idle.c @@ -93,7 +93,7 @@ long compat_set_cx_pminfo(uint32_t acpi_id, return -EFAULT; \ guest_from_compat_handle(states, (_s_)->states); \ \ - for ( i = 0; i < _s_->count; i++ ) \ + for ( i = 0; i < (_s_)->count; i++ ) \ { \ if ( unlikely(copy_from_guest_offset(&state, states, i, 1)) ) \ return -EFAULT; \