hv_netvsc: Cleanup the test for freeing skb when we use sendbuf mechanism

In preparation for embedding the rndis state and other packet state into
the skb, cleanup the test for freeing the skb.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 0c99818..75beb89 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -234,11 +234,10 @@
 	struct hv_netvsc_packet *packet = (struct hv_netvsc_packet *)context;
 	struct sk_buff *skb = (struct sk_buff *)
 		(unsigned long)packet->send_completion_tid;
-	u32 index = packet->send_buf_index;
 
 	kfree(packet);
 
-	if (skb && (index == NETVSC_INVALID_INDEX))
+	if (skb)
 		dev_kfree_skb_any(skb);
 }