ide: pmac: remove unnecessary pci_set_drvdata()

The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 3dd1306..2db803c 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1309,7 +1309,6 @@
 	rc = pmac_ide_setup_device(pmif, &hw);
 	if (rc != 0) {
 		/* The inteface is released to the common IDE layer */
-		pci_set_drvdata(pdev, NULL);
 		iounmap(base);
 		pci_release_regions(pdev);
 		kfree(pmif);