[PATCH net-next 2/4] l2tp: ignore L2TP_ATTR_VLAN_ID netlink attribute

[Guillaume Nault]

The value of this attribute is never used.

Signed-off-by: Guillaume Nault <g.na...@alphalink.fr>
---
 include/uapi/linux/l2tp.h | 4 ++--
 net/l2tp/l2tp_core.h      | 1 -
 net/l2tp/l2tp_netlink.c   | 3 ---
 3 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/include/uapi/linux/l2tp.h b/include/uapi/linux/l2tp.h
index ae888606b3ec..41bf79a4b165 100644
--- a/include/uapi/linux/l2tp.h
+++ b/include/uapi/linux/l2tp.h
@@ -60,7 +60,7 @@ struct sockaddr_l2tpip6 {
 /*
  * Commands.
  * Valid TLVs of each command are:-
- * TUNNEL_CREATE       - CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, 
udpcsum, vlanid
+ * TUNNEL_CREATE       - CONN_ID, pw_type, netns, ifname, ipinfo, udpinfo, 
udpcsum
  * TUNNEL_DELETE       - CONN_ID
  * TUNNEL_MODIFY       - CONN_ID, udpcsum
  * TUNNEL_GETSTATS     - CONN_ID, (stats)
@@ -105,7 +105,7 @@ enum {
        L2TP_ATTR_SESSION_ID,           /* u32 */
        L2TP_ATTR_PEER_SESSION_ID,      /* u32 */
        L2TP_ATTR_UDP_CSUM,             /* u8 */
-       L2TP_ATTR_VLAN_ID,              /* u16 */
+       L2TP_ATTR_VLAN_ID,              /* u16 (not used) */
        L2TP_ATTR_COOKIE,               /* 0, 4 or 8 bytes */
        L2TP_ATTR_PEER_COOKIE,          /* 0, 4 or 8 bytes */
        L2TP_ATTR_DEBUG,                /* u32, enum l2tp_debug_flags */
diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h
index 7dbfb55ab3b5..49fd5e05538c 100644
--- a/net/l2tp/l2tp_core.h
+++ b/net/l2tp/l2tp_core.h
@@ -54,7 +54,6 @@ struct l2tp_session_cfg {
                                                 * control of LNS. */
        int                     debug;          /* bitmask of debug message
                                                 * categories */
-       u16                     vlan_id;        /* VLAN pseudowire only */
        u16                     l2specific_type; /* Layer 2 specific type */
        u8                      cookie[8];      /* optional cookie */
        int                     cookie_len;     /* 0, 4 or 8 bytes */
diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c
index e4785f6966f6..8ea1deefbc37 100644
--- a/net/l2tp/l2tp_netlink.c
+++ b/net/l2tp/l2tp_netlink.c
@@ -591,9 +591,6 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, 
struct genl_info *inf
                }
                if (info->attrs[L2TP_ATTR_IFNAME])
                        cfg.ifname = nla_data(info->attrs[L2TP_ATTR_IFNAME]);
-
-               if (info->attrs[L2TP_ATTR_VLAN_ID])
-                       cfg.vlan_id = 
nla_get_u16(info->attrs[L2TP_ATTR_VLAN_ID]);
        }
 
        if (info->attrs[L2TP_ATTR_DEBUG])
-- 
2.18.0