firewire: fw-ohci: missing PPC PMac feature calls in failure path

Balance ohci_pmac_on and ohci_pmac_off if pci_driver.probe fails.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 533788f..973e762 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -2286,8 +2286,6 @@
 	int err;
 	size_t size;
 
-	ohci_pmac_on(dev);
-
 	ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
 	if (ohci == NULL) {
 		fw_error("Could not malloc fw_ohci data.\n");
@@ -2296,6 +2294,8 @@
 
 	fw_card_initialize(&ohci->card, &ohci_driver, &dev->dev);
 
+	ohci_pmac_on(dev);
+
 	err = pci_enable_device(dev);
 	if (err) {
 		fw_error("Failed to enable OHCI hardware.\n");
@@ -2397,6 +2397,7 @@
 	pci_disable_device(dev);
  fail_free:
 	kfree(&ohci->card);
+	ohci_pmac_off(dev);
 
 	return err;
 }