net: tulip: 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: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/dec/tulip/de2104x.c

@@ -2110,7 +2110,6 @@ static void de_remove_one(struct pci_dev *pdev)
 	iounmap(de->regs);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
 	free_netdev(dev);
 }
 

drivers/net/ethernet/dec/tulip/dmfe.c

@@ -523,7 +523,6 @@ static int dmfe_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 err_out_disable:
 	pci_disable_device(pdev);
 err_out_free:
-	pci_set_drvdata(pdev, NULL);
 	free_netdev(dev);
 
 	return err;
@@ -548,8 +547,6 @@ static void dmfe_remove_one(struct pci_dev *pdev)
 					db->buf_pool_ptr, db->buf_pool_dma_ptr);
 		pci_release_regions(pdev);
 		free_netdev(dev);	/* free board information */
-
-		pci_set_drvdata(pdev, NULL);
 	}
 
 	DMFE_DBUG(0, "dmfe_remove_one() exit", 0);

drivers/net/ethernet/dec/tulip/tulip_core.c

@@ -1939,7 +1939,6 @@ static void tulip_remove_one(struct pci_dev *pdev)
 	pci_iounmap(pdev, tp->base_addr);
 	free_netdev (dev);
 	pci_release_regions (pdev);
-	pci_set_drvdata (pdev, NULL);
 
 	/* pci_power_off (pdev, -1); */
 }

drivers/net/ethernet/dec/tulip/uli526x.c

@@ -429,7 +429,6 @@ static int uli526x_init_one(struct pci_dev *pdev,
 err_out_disable:
 	pci_disable_device(pdev);
 err_out_free:
-	pci_set_drvdata(pdev, NULL);
 	free_netdev(dev);
 
 	return err;
@@ -450,7 +449,6 @@ static void uli526x_remove_one(struct pci_dev *pdev)
 				db->buf_pool_ptr, db->buf_pool_dma_ptr);
 	pci_release_regions(pdev);
 	pci_disable_device(pdev);
-	pci_set_drvdata(pdev, NULL);
 	free_netdev(dev);
 }
 

drivers/net/ethernet/dec/tulip/winbond-840.c

@@ -468,7 +468,6 @@ static int w840_probe1(struct pci_dev *pdev, const struct pci_device_id *ent)
 	return 0;
 
 err_out_cleardev:
-	pci_set_drvdata(pdev, NULL);
 	pci_iounmap(pdev, ioaddr);
 err_out_free_res:
 	pci_release_regions(pdev);
@@ -1542,8 +1541,6 @@ static void w840_remove1(struct pci_dev *pdev)
 		pci_iounmap(pdev, np->base_addr);
 		free_netdev(dev);
 	}
-
-	pci_set_drvdata(pdev, NULL);
 }
 
 #ifdef CONFIG_PM

drivers/net/ethernet/dec/tulip/xircom_cb.c

@@ -289,7 +289,6 @@ static int xircom_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 err_unmap:
 	pci_iounmap(pdev, private->ioaddr);
 reg_fail:
-	pci_set_drvdata(pdev, NULL);
 	dma_free_coherent(d, 8192, private->tx_buffer, private->tx_dma_handle);
 tx_buf_fail:
 	dma_free_coherent(d, 8192, private->rx_buffer, private->rx_dma_handle);
@@ -317,7 +316,6 @@ static void xircom_remove(struct pci_dev *pdev)
 
 	unregister_netdev(dev);
 	pci_iounmap(pdev, card->ioaddr);
-	pci_set_drvdata(pdev, NULL);
 	dma_free_coherent(d, 8192, card->tx_buffer, card->tx_dma_handle);
 	dma_free_coherent(d, 8192, card->rx_buffer, card->rx_dma_handle);
 	free_netdev(dev);