net: use consume_skb() in place of kfree_skb()

Remove some dropwatch/drop_monitor false positives.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ax25/ax25_out.c b/net/ax25/ax25_out.c
index be8a25e..be2acab 100644
--- a/net/ax25/ax25_out.c
+++ b/net/ax25/ax25_out.c
@@ -350,7 +350,7 @@
 		if (skb->sk != NULL)
 			skb_set_owner_w(skbn, skb->sk);
 
-		kfree_skb(skb);
+		consume_skb(skb);
 		skb = skbn;
 	}