diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index 08f26db2da7e13d0a6d8d69903f692e2cccb3f68..e938576e58cb675c8ce34040ab4c330ab0ee3943 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -700,7 +700,7 @@ static void iort_set_device_domain(struct device *dev,
  */
 static struct irq_domain *iort_get_platform_device_domain(struct device *dev)
 {
-	struct acpi_iort_node *node, *msi_parent;
+	struct acpi_iort_node *node, *msi_parent = NULL;
 	struct fwnode_handle *iort_fwnode;
 	struct acpi_iort_its_group *its;
 	int i;