ifb: use netif_receive_skb() instead of netif_rx()

In ri_tasklet(), we run from softirq, so can directly handle packet
through netif_receive_skb() instead of netif_rx().
There is no risk of recursion.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index 8bcacd7..124dac4 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -96,7 +96,7 @@
 			dev_queue_xmit(skb);
 		} else if (from & AT_INGRESS) {
 			skb_pull(skb, skb->dev->hard_header_len);
-			netif_rx(skb);
+			netif_receive_skb(skb);
 		} else
 			BUG();
 	}