ax88796: free irq on error

If ax_ei_open() failed we must free previously requested irq.
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ax88796.c

@@ -481,8 +481,10 @@ static int ax_open(struct net_device *dev)
 		return ret;
 
 	ret = ax_ei_open(dev);
-	if (ret)
+	if (ret) {
+		free_irq(dev->irq, dev);
 		return ret;
+	}
 
 	/* turn the phy on (if turned off) */