diff --git a/[refs] b/[refs]
index ef8724997731..37846d5496e2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 79dd9182db2072d63ccf160bb9a3463b1c952723
+refs/heads/master: b879dc4b3e81069e3f715b7569bb0f43eed76c76
diff --git a/trunk/drivers/acpi/pci_root.c b/trunk/drivers/acpi/pci_root.c
index 1f67057af2a5..e10dbafa0569 100644
--- a/trunk/drivers/acpi/pci_root.c
+++ b/trunk/drivers/acpi/pci_root.c
@@ -378,10 +378,6 @@ acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags)
 	acpi_handle tmp;
 	struct acpi_pci_root *root;
 
-	status = acpi_get_handle(handle, "_OSC", &tmp);
-	if (ACPI_FAILURE(status))
-		return status;
-
 	control_req = (flags & OSC_PCI_CONTROL_MASKS);
 	if (!control_req)
 		return AE_TYPE;
@@ -390,6 +386,10 @@ acpi_status acpi_pci_osc_control_set(acpi_handle handle, u32 flags)
 	if (!root)
 		return AE_NOT_EXIST;
 
+	status = acpi_get_handle(handle, "_OSC", &tmp);
+	if (ACPI_FAILURE(status))
+		return status;
+
 	mutex_lock(&osc_lock);
 	/* No need to evaluate _OSC if the control was already granted. */
 	if ((root->osc_control_set & control_req) == control_req)