netdev - [PATCH net-next] l2tp: adjust comments about L2TPv3 offsets

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Date:   Fri, 5 Jan 2018 19:47:14 +0100
From:   Guillaume Nault <g.nault@...halink.fr>
To:     netdev@...r.kernel.org
Cc:     James Chapman <jchapman@...alix.com>, lorenzo.bianconi@...hat.com,
        liuhangbin@...il.com
Subject: [PATCH net-next] l2tp: adjust comments about L2TPv3 offsets

The "offset" option has been removed by
commit 900631ee6a26 ("l2tp: remove configurable payload offset").

Signed-off-by: Guillaume Nault <g.nault@...halink.fr>
---
 include/uapi/linux/l2tp.h | 2 +-
 net/l2tp/l2tp_core.c      | 7 +++----
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/include/uapi/linux/l2tp.h b/include/uapi/linux/l2tp.h
index f78eef4cc56a..71e62795104d 100644
--- a/include/uapi/linux/l2tp.h
+++ b/include/uapi/linux/l2tp.h
@@ -65,7 +65,7 @@ struct sockaddr_l2tpip6 {
  * TUNNEL_MODIFY	- CONN_ID, udpcsum
  * TUNNEL_GETSTATS	- CONN_ID, (stats)
  * TUNNEL_GET		- CONN_ID, (...)
- * SESSION_CREATE	- SESSION_ID, PW_TYPE, offset, data_seq, cookie, peer_cookie, offset, l2spec
+ * SESSION_CREATE	- SESSION_ID, PW_TYPE, data_seq, cookie, peer_cookie, l2spec
  * SESSION_DELETE	- SESSION_ID
  * SESSION_MODIFY	- SESSION_ID, data_seq
  * SESSION_GET		- SESSION_ID, (...)
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 786cd7f6a5e8..62285fc6eb59 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -662,10 +662,9 @@ static int l2tp_recv_data_seq(struct l2tp_session *session, struct sk_buff *skb)
  * |x|S|x|x|x|x|x|x|              Sequence Number                  |
  * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  *
- * Cookie value, sublayer format and offset (pad) are negotiated with
- * the peer when the session is set up. Unlike L2TPv2, we do not need
- * to parse the packet header to determine if optional fields are
- * present.
+ * Cookie value and sublayer format are negotiated with the peer when
+ * the session is set up. Unlike L2TPv2, we do not need to parse the
+ * packet header to determine if optional fields are present.
  *
  * Caller must already have parsed the frame and determined that it is
  * a data (not control) frame before coming here. Fields up to the
-- 
2.15.1