ll_temac: fix memory leak

If of_iomap() or irq_of_parse_and_map() fail then np must be freed.
Signed-off-by: NKulikov Vasiliy <segooon@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ll_temac_main.c

@@ -1031,19 +1031,22 @@ temac_of_probe(struct of_device *op, const struct of_device_id *match)
 			dev_dbg(&op->dev, "MEM base: %p\n", lp->sdma_regs);
 		} else {
 			dev_err(&op->dev, "unable to map DMA registers\n");
+			of_node_put(np);
 			goto err_iounmap;
 		}
 	}
 
 	lp->rx_irq = irq_of_parse_and_map(np, 0);
 	lp->tx_irq = irq_of_parse_and_map(np, 1);
+
+	of_node_put(np); /* Finished with the DMA node; drop the reference */
+
 	if ((lp->rx_irq == NO_IRQ) || (lp->tx_irq == NO_IRQ)) {
 		dev_err(&op->dev, "could not determine irqs\n");
 		rc = -ENOMEM;
 		goto err_iounmap_2;
 	}
 
-	of_node_put(np); /* Finished with the DMA node; drop the reference */
 
 	/* Retrieve the MAC address */
 	addr = of_get_property(op->dev.of_node, "local-mac-address", &size);