diff options
Diffstat (limited to 'net/l2tp')
-rw-r--r-- | net/l2tp/l2tp_core.c | 3 | ||||
-rw-r--r-- | net/l2tp/l2tp_core.h | 2 | ||||
-rw-r--r-- | net/l2tp/l2tp_eth.c | 6 | ||||
-rw-r--r-- | net/l2tp/l2tp_netlink.c | 2 | ||||
-rw-r--r-- | net/l2tp/l2tp_ppp.c | 26 |
5 files changed, 20 insertions, 19 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 1e40dacaa137..a2ed3bda4ddc 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1855,6 +1855,9 @@ static __net_exit void l2tp_exit_net(struct net *net) (void)l2tp_tunnel_delete(tunnel); } rcu_read_unlock_bh(); + + flush_workqueue(l2tp_wq); + rcu_barrier(); } static struct pernet_operations l2tp_net_ops = { diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index 5871537af387..2599af6378e4 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -139,7 +139,7 @@ struct l2tp_session { void (*session_close)(struct l2tp_session *session); void (*ref)(struct l2tp_session *session); void (*deref)(struct l2tp_session *session); -#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE) +#if IS_ENABLED(CONFIG_L2TP_DEBUGFS) void (*show)(struct seq_file *m, void *priv); #endif uint8_t priv[0]; /* private data */ diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 57fc5a46ce06..965f7e344cef 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -121,7 +121,7 @@ static struct rtnl_link_stats64 *l2tp_eth_get_stats64(struct net_device *dev, } -static struct net_device_ops l2tp_eth_netdev_ops = { +static const struct net_device_ops l2tp_eth_netdev_ops = { .ndo_init = l2tp_eth_dev_init, .ndo_uninit = l2tp_eth_dev_uninit, .ndo_start_xmit = l2tp_eth_dev_xmit, @@ -195,7 +195,7 @@ static void l2tp_eth_delete(struct l2tp_session *session) } } -#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE) +#if IS_ENABLED(CONFIG_L2TP_DEBUGFS) static void l2tp_eth_show(struct seq_file *m, void *arg) { struct l2tp_session *session = arg; @@ -268,7 +268,7 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p priv->tunnel_sock = tunnel->sock; session->recv_skb = l2tp_eth_dev_recv; session->session_close = l2tp_eth_delete; -#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE) +#if IS_ENABLED(CONFIG_L2TP_DEBUGFS) session->show = l2tp_eth_show; #endif diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index 1d02e8d20e56..bf3117771822 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -867,7 +867,7 @@ out: return skb->len; } -static struct nla_policy l2tp_nl_policy[L2TP_ATTR_MAX + 1] = { +static const struct nla_policy l2tp_nl_policy[L2TP_ATTR_MAX + 1] = { [L2TP_ATTR_NONE] = { .type = NLA_UNSPEC, }, [L2TP_ATTR_PW_TYPE] = { .type = NLA_U16, }, [L2TP_ATTR_ENCAP_TYPE] = { .type = NLA_U16, }, diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index d9560aa2dba3..41d47bfda15c 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -177,7 +177,7 @@ static int pppol2tp_recv_payload_hook(struct sk_buff *skb) if (!pskb_may_pull(skb, 2)) return 1; - if ((skb->data[0] == 0xff) && (skb->data[1] == 0x03)) + if ((skb->data[0] == PPP_ALLSTATIONS) && (skb->data[1] == PPP_UI)) skb_pull(skb, 2); return 0; @@ -282,7 +282,6 @@ static void pppol2tp_session_sock_put(struct l2tp_session *session) static int pppol2tp_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len) { - static const unsigned char ppph[2] = { 0xff, 0x03 }; struct sock *sk = sock->sk; struct sk_buff *skb; int error; @@ -312,7 +311,7 @@ static int pppol2tp_sendmsg(struct socket *sock, struct msghdr *m, error = -ENOMEM; skb = sock_wmalloc(sk, NET_SKB_PAD + sizeof(struct iphdr) + uhlen + session->hdr_len + - sizeof(ppph) + total_len, + 2 + total_len, /* 2 bytes for PPP_ALLSTATIONS & PPP_UI */ 0, GFP_KERNEL); if (!skb) goto error_put_sess_tun; @@ -325,8 +324,8 @@ static int pppol2tp_sendmsg(struct socket *sock, struct msghdr *m, skb_reserve(skb, uhlen); /* Add PPP header */ - skb->data[0] = ppph[0]; - skb->data[1] = ppph[1]; + skb->data[0] = PPP_ALLSTATIONS; + skb->data[1] = PPP_UI; skb_put(skb, 2); /* Copy user data into skb */ @@ -369,7 +368,6 @@ error: */ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) { - static const u8 ppph[2] = { 0xff, 0x03 }; struct sock *sk = (struct sock *) chan->private; struct sock *sk_tun; struct l2tp_session *session; @@ -398,14 +396,14 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) sizeof(struct iphdr) + /* IP header */ uhlen + /* UDP header (if L2TP_ENCAPTYPE_UDP) */ session->hdr_len + /* L2TP header */ - sizeof(ppph); /* PPP header */ + 2; /* 2 bytes for PPP_ALLSTATIONS & PPP_UI */ if (skb_cow_head(skb, headroom)) goto abort_put_sess_tun; /* Setup PPP header */ - __skb_push(skb, sizeof(ppph)); - skb->data[0] = ppph[0]; - skb->data[1] = ppph[1]; + __skb_push(skb, 2); + skb->data[0] = PPP_ALLSTATIONS; + skb->data[1] = PPP_UI; local_bh_disable(); l2tp_xmit_skb(session, skb, session->hdr_len); @@ -440,7 +438,7 @@ static void pppol2tp_session_close(struct l2tp_session *session) BUG_ON(session->magic != L2TP_SESSION_MAGIC); if (sock) { - inet_shutdown(sock, 2); + inet_shutdown(sock, SEND_SHUTDOWN); /* Don't let the session go away before our socket does */ l2tp_session_inc_refcount(session); } @@ -554,7 +552,7 @@ out: return error; } -#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE) +#if IS_ENABLED(CONFIG_L2TP_DEBUGFS) static void pppol2tp_show(struct seq_file *m, void *arg) { struct l2tp_session *session = arg; @@ -725,7 +723,7 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, session->recv_skb = pppol2tp_recv; session->session_close = pppol2tp_session_close; -#if defined(CONFIG_L2TP_DEBUGFS) || defined(CONFIG_L2TP_DEBUGFS_MODULE) +#if IS_ENABLED(CONFIG_L2TP_DEBUGFS) session->show = pppol2tp_show; #endif @@ -856,7 +854,7 @@ static int pppol2tp_getname(struct socket *sock, struct sockaddr *uaddr, error = -ENOTCONN; if (sk == NULL) goto end; - if (sk->sk_state != PPPOX_CONNECTED) + if (!(sk->sk_state & PPPOX_CONNECTED)) goto end; error = -EBADF; |