net: thunderx: 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: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/cavium/thunder/thunder_xcv.c

@@ -194,7 +194,6 @@ static int xcv_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 err_disable_device:
 	pci_disable_device(pdev);
 err_kfree:
-	pci_set_drvdata(pdev, NULL);
 	devm_kfree(dev, xcv);
 	xcv = NULL;
 	return err;
@@ -211,7 +210,6 @@ static void xcv_remove(struct pci_dev *pdev)
 
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
 }
 
 static struct pci_driver xcv_driver = {