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l2tp: remove unused tunnel magic field

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Since l2tp no longer derives tunnel pointers directly via
sk_user_data, it is no longer useful for l2tp to check tunnel pointers
using a magic feather. Drop the tunnel's magic field.

Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
James Chapman 2024-07-29 16:38:05 +01:00 committed by David S. Miller
parent 4a4cd70369
commit 0fa51a7c6f
2 changed files with 0 additions and 4 deletions
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1
net/l2tp/l2tp_core.c
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@ -1527,7 +1527,6 @@ int l2tp_tunnel_create(int fd, int version, u32 tunnel_id, u32 peer_tunnel_id,
tunnel->tunnel_id = tunnel_id;
tunnel->peer_tunnel_id = peer_tunnel_id;
tunnel->magic = L2TP_TUNNEL_MAGIC;
sprintf(&tunnel->name[0], "tunl %u", tunnel_id);
spin_lock_init(&tunnel->list_lock);
tunnel->acpt_newsess = true;

3
net/l2tp/l2tp_core.h
View File

@ -16,7 +16,6 @@
#endif
/* Random numbers used for internal consistency checks of tunnel and session structures */
#define L2TP_TUNNEL_MAGIC 0x42114DDA
#define L2TP_SESSION_MAGIC 0x0C04EB7D
struct sk_buff;
@ -155,8 +154,6 @@ struct l2tp_tunnel_cfg {
*/
#define L2TP_TUNNEL_NAME_MAX 20
struct l2tp_tunnel {
int magic; /* Should be L2TP_TUNNEL_MAGIC */
unsigned long dead;
struct rcu_head rcu;