[xen master] xen/arm: smmu: address violations of MISRA C Rule 20.7

[patchbot@xxxxxxx]

commit 88822d5fbd30782bb79bfee85f58bf9e2e8f18b7
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Tue Mar 19 11:28:44 2024 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Mar 19 11:28:44 2024 +0100

    xen/arm: smmu: 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 <nicola.vetrini@xxxxxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/drivers/passthrough/arm/smmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/drivers/passthrough/arm/smmu.c 
b/xen/drivers/passthrough/arm/smmu.c
index 83196057a9..f2cee82f55 100644
--- a/xen/drivers/passthrough/arm/smmu.c
+++ b/xen/drivers/passthrough/arm/smmu.c
@@ -326,7 +326,7 @@ static struct iommu_group *iommu_group_get(struct device 
*dev)
  */
 #define ARM_SMMU_GR0_NS(smmu)                                          \
        ((smmu)->base +                                                 \
-               ((smmu->options & ARM_SMMU_OPT_SECURE_CFG_ACCESS)       \
+               (((smmu)->options & ARM_SMMU_OPT_SECURE_CFG_ACCESS)     \
                        ? 0x400 : 0))
 
 /* Page table bits */
--
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