net: smc911x: Remove unused local variable

The ioaddr local variable is assigned to but never used in the
smc911x_rx_dma_irq() function, remove it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c
index 66b05e6..1c44e67 100644
--- a/drivers/net/ethernet/smsc/smc911x.c
+++ b/drivers/net/ethernet/smsc/smc911x.c
@@ -1211,7 +1211,6 @@
 smc911x_rx_dma_irq(int dma, void *data)
 {
 	struct net_device *dev = (struct net_device *)data;
-	unsigned long ioaddr = dev->base_addr;
 	struct smc911x_local *lp = netdev_priv(dev);
 	struct sk_buff *skb = lp->current_rx_skb;
 	unsigned long flags;