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l2tp: remove ->ref() and ->deref()

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The ->ref() and ->deref() callbacks are unused since PPP stopped using
them in ee40fb2e1e ("l2tp: protect sock pointer of struct pppol2tp_session with RCU").

We can thus remove them from struct l2tp_session and drop the do_ref
parameter of l2tp_session_get*().

Signed-off-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Nault
2017-10-31 17:36:42 +01:00
committed by David S. Miller
parent aa2bc739ef
commit a4346210c4
7 changed files with 25 additions and 79 deletions
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4
net/l2tp/l2tp_ip.c
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@@ -143,7 +143,7 @@ static int l2tp_ip_recv(struct sk_buff *skb)
}
/* Ok, this is a data packet. Lookup the session. */
session = l2tp_session_get(net, NULL, session_id, true);
session = l2tp_session_get(net, NULL, session_id);
if (!session)
goto discard;
@@ -205,8 +205,6 @@ pass_up:
return sk_receive_skb(sk, skb, 1);
discard_sess:
if (session->deref)
session->deref(session);
l2tp_session_dec_refcount(session);
goto discard;