flow_dissector: fix doc for skb_get_poff

[firefly-linux-kernel-4.4.55.git] / net / core / flow_dissector.c

diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index 04f87237bd64e61c088fdb424675869111b3cc8a..d885e282908e91a1bba5e57b2a4c4edbb4757c5d 100644 (file)
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -417,8 +417,12 @@ u32 __skb_get_poff(const struct sk_buff *skb, void *data,
        return poff;
 }
 
-/* skb_get_poff() returns the offset to the payload as far as it could
- * be dissected. The main user is currently BPF, so that we can dynamically
+/**
+ * skb_get_poff - get the offset to the payload
+ * @skb: sk_buff to get the payload offset from
+ *
+ * The function will get the offset to the payload as far as it could
+ * be dissected.  The main user is currently BPF, so that we can dynamically
  * truncate packets without needing to push actual payload to the user
  * space and can analyze headers only, instead.
  */