net: fec: no need to test for the return type of of_property_read_u32

in case of error no need to set num_tx and num_rx = 1, because in case of error
these variables will remain unchanged by of_property_read_u32 ie 1 only

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fec_main.c

@@ -3277,21 +3277,16 @@ static void
 fec_enet_get_queue_num(struct platform_device *pdev, int *num_tx, int *num_rx)
 {
 	struct device_node *np = pdev->dev.of_node;
-	int err;
 
 	*num_tx = *num_rx = 1;
 
 	if (!np || !of_device_is_available(np))
 		return;
 
 	/* parse the num of tx and rx queues */
-	err = of_property_read_u32(np, "fsl,num-tx-queues", num_tx);
-	if (err)
-		*num_tx = 1;
+	of_property_read_u32(np, "fsl,num-tx-queues", num_tx);
 
-	err = of_property_read_u32(np, "fsl,num-rx-queues", num_rx);
-	if (err)
-		*num_rx = 1;
+	of_property_read_u32(np, "fsl,num-rx-queues", num_rx);
 
 	if (*num_tx < 1 || *num_tx > FEC_ENET_MAX_TX_QS) {
 		dev_warn(&pdev->dev, "Invalid num_tx(=%d), fall back to 1\n",