net: atl1e: Make use of the helper function dev_err_probe()

When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
And using dev_err_probe() can reduce code size, and simplify the code.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/atheros/atl1e/atl1e_main.c

@@ -2297,10 +2297,8 @@ static int atl1e_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	int err = 0;
 
 	err = pci_enable_device(pdev);
-	if (err) {
-		dev_err(&pdev->dev, "cannot enable PCI device\n");
-		return err;
-	}
+	if (err)
+		return dev_err_probe(&pdev->dev, err, "cannot enable PCI device\n");
 
 	/*
 	 * The atl1e chip can DMA to 64-bit addresses, but it uses a single