staging: hv: remove the carrier status check from netvsc_open()

Checking carrier status in netvsc_open() is not necessary.

Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/hv/TODO

@@ -1,7 +1,5 @@
 TODO:
 	- audit the network driver
-	  - checking for carrier inside open is wrong, network device API
-            confusion??
 	- audit the scsi driver
 
 Please send patches for this code to Greg Kroah-Hartman <gregkh@suse.de>,

drivers/staging/hv/netvsc_drv.c

@@ -69,19 +69,14 @@ static int netvsc_open(struct net_device *net)
 	struct hv_device *device_obj = net_device_ctx->device_ctx;
 	int ret = 0;
 
-	if (netif_carrier_ok(net)) {
 	/* Open up the device */
 	ret = rndis_filter_open(device_obj);
 	if (ret != 0) {
-			netdev_err(net, "unable to open device (ret %d).\n",
-				   ret);
+		netdev_err(net, "unable to open device (ret %d).\n", ret);
 		return ret;
 	}
 
 	netif_start_queue(net);
-	} else {
-		netdev_err(net, "unable to open device...link is down.\n");
-	}
 
 	return ret;
 }