defxx: Fix DEFPA enable error propagation

Correctly propagate the error code from `pci_enable_device' if non zero.
Currently a failure of this function is correctly recognized and device
initialization abandoned, however a successful completion code returned.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/fddi/defxx.c

@@ -542,11 +542,14 @@ static int dfx_register(struct device *bdev)
 	}
 
 	/* Enable PCI device. */
-	if (dfx_bus_pci && pci_enable_device(to_pci_dev(bdev))) {
-		printk(KERN_ERR "%s: Cannot enable PCI device, aborting\n",
+	if (dfx_bus_pci) {
+		err = pci_enable_device(to_pci_dev(bdev));
+		if (err) {
+			pr_err("%s: Cannot enable PCI device, aborting\n",
 			       print_name);
 			goto err_out;
 		}
+	}
 
 	SET_NETDEV_DEV(dev, bdev);