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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_debugfs.c
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@@ -53,7 +53,7 @@ static void l2tp_dfs_next_tunnel(struct l2tp_dfs_seq_data *pd)
static void l2tp_dfs_next_session(struct l2tp_dfs_seq_data *pd)
{
pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx, true);
pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx);
pd->session_idx++;
if (pd->session == NULL) {
@@ -241,8 +241,6 @@ static int l2tp_dfs_seq_show(struct seq_file *m, void *v)
l2tp_dfs_seq_tunnel_show(m, pd->tunnel);
} else {
l2tp_dfs_seq_session_show(m, pd->session);
if (pd->session->deref)
pd->session->deref(pd->session);
l2tp_session_dec_refcount(pd->session);
}