flow_dissector: fix doc for __skb_get_hash and remove couple of empty lines

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index eaa86b5392213301e9a25d448eccff5e4bf863c4..0d9bc3a586bae79f4b786b456adfdcdadc126029 100644 (file)
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -337,8 +337,11 @@ void make_flow_keys_digest(struct flow_keys_digest *digest,
 }
 EXPORT_SYMBOL(make_flow_keys_digest);
 
-/*
- * __skb_get_hash: calculate a flow hash based on src/dst addresses
+/**
+ * __skb_get_hash: calculate a flow hash
+ * @skb: sk_buff to calculate flow hash from
+ *
+ * This function calculates a flow hash based on src/dst addresses
  * and src/dst port numbers.  Sets hash in skb to non-zero hash value
  * on success, zero indicates no valid hash.  Also, sets l4_hash in skb
  * if hash is a canonical 4-tuple hash over transport ports.
@@ -353,12 +356,9 @@ void __skb_get_hash(struct sk_buff *skb)
        hash = ___skb_get_hash(skb, &keys, hashrnd);
        if (!hash)
                return;
-
        if (keys.ports)
                skb->l4_hash = 1;
-
        skb->sw_hash = 1;
-
        skb->hash = hash;
 }
 EXPORT_SYMBOL(__skb_get_hash);