From 628703f59dcc832a0bd04b4fa41d856e5df98112 Mon Sep 17 00:00:00 2001 From: Tom Parkin Date: Tue, 28 Jul 2020 18:20:30 +0100 Subject: l2tp: return void from l2tp_session_delete l2tp_session_delete is used to schedule a session instance for deletion. The function itself always returns zero, and none of its direct callers check its return value, so have the function return void. This change de-facto changes the l2tp netlink session_delete callback prototype since all pseudowires currently use l2tp_session_delete for their implementation of that operation. Signed-off-by: Tom Parkin Signed-off-by: David S. Miller --- net/l2tp/l2tp_core.c | 9 ++------- net/l2tp/l2tp_core.h | 4 ++-- net/l2tp/l2tp_netlink.c | 2 +- 3 files changed, 5 insertions(+), 10 deletions(-) diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index f22fe34eb8fc..690dcbc30472 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1620,13 +1620,10 @@ void l2tp_tunnel_delete(struct l2tp_tunnel *tunnel) } EXPORT_SYMBOL_GPL(l2tp_tunnel_delete); -/* This function is used by the netlink SESSION_DELETE command and by - * pseudowire modules. - */ -int l2tp_session_delete(struct l2tp_session *session) +void l2tp_session_delete(struct l2tp_session *session) { if (test_and_set_bit(0, &session->dead)) - return 0; + return; l2tp_session_unhash(session); l2tp_session_queue_purge(session); @@ -1634,8 +1631,6 @@ int l2tp_session_delete(struct l2tp_session *session) (*session->session_close)(session); l2tp_session_dec_refcount(session); - - return 0; } EXPORT_SYMBOL_GPL(l2tp_session_delete); diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 5c49e2762300..0c32981f0cd3 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -167,7 +167,7 @@ struct l2tp_nl_cmd_ops { int (*session_create)(struct net *net, struct l2tp_tunnel *tunnel, u32 session_id, u32 peer_session_id, struct l2tp_session_cfg *cfg); - int (*session_delete)(struct l2tp_session *session); + void (*session_delete)(struct l2tp_session *session); }; static inline void *l2tp_session_priv(struct l2tp_session *session) @@ -204,7 +204,7 @@ struct l2tp_session *l2tp_session_create(int priv_size, int l2tp_session_register(struct l2tp_session *session, struct l2tp_tunnel *tunnel); -int l2tp_session_delete(struct l2tp_session *session); +void l2tp_session_delete(struct l2tp_session *session); void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, unsigned char *ptr, unsigned char *optr, u16 hdrflags, int length); diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index 35716a6e1e2c..def78eebca4c 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -670,7 +670,7 @@ static int l2tp_nl_cmd_session_delete(struct sk_buff *skb, struct genl_info *inf pw_type = session->pwtype; if (pw_type < __L2TP_PWTYPE_MAX) if (l2tp_nl_cmd_ops[pw_type] && l2tp_nl_cmd_ops[pw_type]->session_delete) - ret = (*l2tp_nl_cmd_ops[pw_type]->session_delete)(session); + l2tp_nl_cmd_ops[pw_type]->session_delete(session); l2tp_session_dec_refcount(session); -- cgit v1.2.3