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l2tp: remove switch block in l2tp_nl_cmd_session_create()

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Remove the switch block in l2tp_nl_cmd_session_create() that
checks pseudowire-specific parameters since just L2TP_PWTYPE_ETH and
L2TP_PWTYPE_PPP are currently supported and no actual checks are
performed. Moreover the L2TP_PWTYPE_IP/default case presents a harmless
issue in error handling (break instead of goto out_tunnel)

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Acked-by: Guillaume Nault <g.nault@alphalink.fr>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lorenzo Bianconi 2018-01-17 11:41:20 +01:00 committed by David S. Miller
parent 24949304c9
commit 30c3e9d470
1 changed files with 0 additions and 21 deletions
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21
net/l2tp/l2tp_netlink.c
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@ -620,27 +620,6 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf
goto out_tunnel;
}
/* Check that pseudowire-specific params are present */
switch (cfg.pw_type) {
case L2TP_PWTYPE_NONE:
break;
case L2TP_PWTYPE_ETH_VLAN:
if (!info->attrs[L2TP_ATTR_VLAN_ID]) {
ret = -EINVAL;
goto out_tunnel;
}
break;
case L2TP_PWTYPE_ETH:
break;
case L2TP_PWTYPE_PPP:
case L2TP_PWTYPE_PPP_AC:
break;
case L2TP_PWTYPE_IP:
default:
ret = -EPROTONOSUPPORT;
break;
}
ret = l2tp_nl_cmd_ops[cfg.pw_type]->session_create(net, tunnel,
session_id,
peer_session_id,