diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h
index f98640086f4e..cbf09fb08d35 100644
--- a/drivers/acpi/acpica/aclocal.h
+++ b/drivers/acpi/acpica/aclocal.h
@@ -169,6 +169,7 @@ struct acpi_namespace_node {
 #define ANOBJ_IS_EXTERNAL               0x08	/* iASL only: This object created via External() */
 #define ANOBJ_METHOD_NO_RETVAL          0x10	/* iASL only: Method has no return value */
 #define ANOBJ_METHOD_SOME_NO_RETVAL     0x20	/* iASL only: Method has at least one return value */
+#define ANOBJ_IS_ALIAS                  0x40	/* iASL only: Node is an alias to another node */
 #define ANOBJ_IS_REFERENCED             0x80	/* iASL only: Object was referenced */
 
 /* Internal ACPI table management - master table list */
diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c
index 79d86da1c892..a4ccacecca53 100644
--- a/drivers/acpi/acpica/nsobject.c
+++ b/drivers/acpi/acpica/nsobject.c
@@ -173,6 +173,12 @@ void acpi_ns_detach_object(struct acpi_namespace_node *node)
 
 	obj_desc = node->object;
 
+	/* Alias nodes point directly to other namespace nodes; skip teardown */
+	if (node->flags & ANOBJ_IS_ALIAS) {
+		node->object = NULL;
+		return_VOID;
+	}
+
 	if (!obj_desc || (obj_desc->common.type == ACPI_TYPE_LOCAL_DATA)) {
 		return_VOID;
 	}