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l2tp: cleanup comments

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Modify some l2tp comments to better adhere to kernel coding style, as
reported by checkpatch.pl.

Add descriptive comments for the l2tp per-net spinlocks to document
their use.

Fix an incorrect comment in l2tp_recv_common:

RFC2661 section 5.4 states that:

"The LNS controls enabling and disabling of sequence numbers by sending a
data message with or without sequence numbers present at any time during
the life of a session."

l2tp handles this correctly in l2tp_recv_common, but the comment around
the code was incorrect and confusing.  Fix up the comment accordingly.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Parkin
2020-07-22 17:32:06 +01:00
committed by David S. Miller
parent b71a61ccfe
commit 20dcb1107a
8 changed files with 47 additions and 68 deletions
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3
net/l2tp/l2tp_ip.c
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@@ -1,6 +1,5 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* L2TPv3 IP encapsulation support
/* L2TPv3 IP encapsulation support
*
* Copyright (c) 2008,2009,2010 Katalix Systems Ltd
*/