[xen master] x86/pci: address violation of MISRA C Rule 20.7

[patchbot@xxxxxxx]

commit 0440fcad2aa665479c8ffebdd17f31fcf4c55b5d
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Thu Apr 25 09:50:03 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Apr 25 09:50:03 2024 +0200

    x86/pci: address violation 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/arch/x86/include/asm/pci.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/xen/arch/x86/include/asm/pci.h b/xen/arch/x86/include/asm/pci.h
index 6bfe87e278..fd5480d67d 100644
--- a/xen/arch/x86/include/asm/pci.h
+++ b/xen/arch/x86/include/asm/pci.h
@@ -8,10 +8,10 @@
 #define CF8_ADDR_HI(cf8) (  ((cf8) & 0x0f000000U) >> 16)
 #define CF8_ENABLED(cf8) (!!((cf8) & 0x80000000U))
 
-#define IS_SNB_GFX(id) (id == 0x01068086 || id == 0x01168086 \
-                        || id == 0x01268086 || id == 0x01028086 \
-                        || id == 0x01128086 || id == 0x01228086 \
-                        || id == 0x010A8086 )
+#define IS_SNB_GFX(id) ((id) == 0x01068086 || (id) == 0x01168086 \
+                        || (id) == 0x01268086 || (id) == 0x01028086 \
+                        || (id) == 0x01128086 || (id) == 0x01228086 \
+                        || (id) == 0x010A8086 )
 
 struct arch_pci_dev {
     vmask_t used_vectors;
--
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