net/faraday: Fix unnecessary check in ftmac100_probe()

The function ftmac100_probe() is only called with an openfirmware
platform device. Therefore there is no need to check that the passed
in device is NULL.
Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/faraday/ftmac100.c

@@ -1057,9 +1057,6 @@ static int ftmac100_probe(struct platform_device *pdev)
 	struct ftmac100 *priv;
 	int err;
 
-	if (!pdev)
-		return -ENODEV;
-
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res)
 		return -ENXIO;