USB-CDC: Do not rename netdev after its registration

Calling eth_bind at usb_eth_init time causes renaming of the network
device from 'usb_ether' to 'usb0'. Fixing this to keep the first name.

Signed-off-by: Vitaly Kuzmichev <vkuzmichev@mvista.com>
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 261cf7e..765fbd8 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -30,7 +30,7 @@
 
 #include "gadget_chips.h"
 
-#define USB_NET_NAME "usb0"
+#define USB_NET_NAME "usb_ether"
 
 #define atomic_read
 extern struct platform_data brd;
@@ -1687,7 +1687,6 @@
 	}
 
 	dev->net = &l_netdev;
-	strcpy(dev->net->name, USB_NET_NAME);
 
 	dev->cdc = cdc;
 	dev->zlp = zlp;
@@ -1924,7 +1923,7 @@
 	int status = 0;
 	struct eth_device *netdev = &l_netdev;
 
-	sprintf(netdev->name, "usb_ether");
+	strlcpy(netdev->name, USB_NET_NAME, sizeof(netdev->name));
 
 	netdev->init = usb_eth_init;
 	netdev->send = usb_eth_send;