s2io: Remove unnecessary memset of netdev private data

The memory for the private data is allocated using kzalloc in
alloc_etherdev (or alloc_netdev_mq respectively) so there is no need to
set it to 0 again.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index f9f9ed8..b8b8584 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -7886,7 +7886,6 @@
 
 	/*  Private member variable initialized to s2io NIC structure */
 	sp = netdev_priv(dev);
-	memset(sp, 0, sizeof(struct s2io_nic));
 	sp->dev = dev;
 	sp->pdev = pdev;
 	sp->high_dma_flag = dma_flag;