gianfar: fix double lock typo

This should be a _restore() instead of a _save().

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 9bda023..ddab703 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -538,7 +538,7 @@
 
 		unlock_tx_qs(priv);
 		unlock_rx_qs(priv);
-		local_irq_save(flags);
+		local_irq_restore(flags);
 
 		for (i = 0; i < priv->num_rx_queues; i++)
 			gfar_clean_rx_ring(priv->rx_queue[i],