diff --git a/[refs] b/[refs]
index 65b91190c2bd..33d686a8acb7 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 319f8b892722f289bb6e07b1067be3b2e0714238
+refs/heads/master: 5572a9859fa55216597b8226717691956d3e53e3
diff --git a/trunk/drivers/acpi/namespace/nsaccess.c b/trunk/drivers/acpi/namespace/nsaccess.c
index 29c7c271dbb8..35b0e46bd095 100644
--- a/trunk/drivers/acpi/namespace/nsaccess.c
+++ b/trunk/drivers/acpi/namespace/nsaccess.c
@@ -588,6 +588,10 @@ acpi_ns_lookup(union acpi_generic_state *scope_info,
 			 * segments).
 			 */
 			if (this_node->type == ACPI_TYPE_LOCAL_ALIAS) {
+				if (!this_node->object) {
+					return_ACPI_STATUS(AE_NOT_EXIST);
+				}
+
 				if (acpi_ns_opens_scope
 				    (((struct acpi_namespace_node *)this_node->
 				      object)->type)) {