diff --git a/hypervisor/acpi_parser/dmar_parse.c b/hypervisor/acpi_parser/dmar_parse.c
index ec9221765..ef2fdadd9 100644
--- a/hypervisor/acpi_parser/dmar_parse.c
+++ b/hypervisor/acpi_parser/dmar_parse.c
@@ -93,8 +93,9 @@ static uint32_t get_drhd_dev_scope_cnt(struct acpi_dmar_hardware_unit *drhd)
 	while (start < end) {
 		scope = (struct acpi_dmar_device_scope *)start;
 		if ((scope->entry_type != ACPI_DMAR_SCOPE_TYPE_NOT_USED) &&
-			(scope->entry_type < ACPI_DMAR_SCOPE_TYPE_RESERVED))
+			(scope->entry_type < ACPI_DMAR_SCOPE_TYPE_RESERVED)) {
 			count++;
+		}
 		start += scope->length;
 	}
 	return count;
@@ -140,8 +141,9 @@ static int32_t handle_one_drhd(struct acpi_dmar_hardware_unit *acpi_drhd, struct
 			}
 		}
 
-		if (consumed <= 0)
+		if (consumed <= 0) {
 			break;
+		}
 
 		remaining -= consumed;
 		/* skip IOAPIC & HPET */
diff --git a/hypervisor/dm/vpci/vmsix.c b/hypervisor/dm/vpci/vmsix.c
index d0109f7df..990a12b1c 100644
--- a/hypervisor/dm/vpci/vmsix.c
+++ b/hypervisor/dm/vpci/vmsix.c
@@ -130,8 +130,9 @@ int32_t add_vmsix_capability(struct pci_vdev *vdev, uint32_t entry_num, uint8_t
 		vdev->msix.table_count = entry_num;
 
 		/* set mask bit of vector control register */
-		for (i = 0; i < entry_num; i++)
+		for (i = 0; i < entry_num; i++) {
 			vdev->msix.table_entries[i].vector_control |= PCIM_MSIX_VCTRL_MASK;
+		}
 
 		(void)memset(&msixcap, 0U, sizeof(struct msixcap));