netdev - [patch net-next v4 RFC 04/15] flow_dissector: fix doc for __skb_get

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Date:	Fri, 24 Apr 2015 17:51:30 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, jhs@...atatu.com, tgraf@...g.ch,
	jesse@...ira.com, kaber@...sh.net, therbert@...gle.com,
	edumazet@...gle.com, alexander.h.duyck@...hat.com,
	hannes@...essinduktion.org, ast@...mgrid.com, daniel@...earbox.net,
	herbert@...dor.apana.org.au, cwang@...pensource.com,
	john.fastabend@...il.com
Subject: [patch net-next v4 RFC 04/15] flow_dissector: fix doc for __skb_get_hash and remove couple of empty lines

Signed-off-by: Jiri Pirko <jiri@...nulli.us>
---
 net/core/flow_dissector.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 1d4c54d..6a02b26 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -300,8 +300,11 @@ u32 flow_hash_from_keys(struct flow_keys *keys)
 }
 EXPORT_SYMBOL(flow_hash_from_keys);
 
-/*
- * __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.
@@ -312,12 +315,9 @@ void __skb_get_hash(struct sk_buff *skb)
 
 	if (!skb_flow_dissect(skb, &keys))
 		return;
-
 	if (keys.ports)
 		skb->l4_hash = 1;
-
 	skb->sw_hash = 1;
-
 	skb->hash = __flow_hash_from_keys(&keys);
 }
 EXPORT_SYMBOL(__skb_get_hash);
-- 
1.9.3

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