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Diffstat (limited to 'net/l2tp/l2tp_core.c')
-rw-r--r--net/l2tp/l2tp_core.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 6434d17e6e8e..0992d5fab9b8 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -94,7 +94,7 @@ struct l2tp_skb_cb {
unsigned long expires;
};
-#define L2TP_SKB_CB(skb) ((struct l2tp_skb_cb *) &skb->cb[sizeof(struct inet_skb_parm)])
+#define L2TP_SKB_CB(skb) ((struct l2tp_skb_cb *)&skb->cb[sizeof(struct inet_skb_parm)])
static struct workqueue_struct *l2tp_wq;
@@ -134,7 +134,6 @@ static inline struct hlist_head *
l2tp_session_id_hash_2(struct l2tp_net *pn, u32 session_id)
{
return &pn->l2tp_session_hlist[hash_32(session_id, L2TP_HASH_BITS_2)];
-
}
/* Session hash list.
@@ -648,9 +647,9 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb,
L2TP_SKB_CB(skb)->has_seq = 0;
if (tunnel->version == L2TP_HDR_VER_2) {
if (hdrflags & L2TP_HDRFLAG_S) {
- ns = ntohs(*(__be16 *) ptr);
+ ns = ntohs(*(__be16 *)ptr);
ptr += 2;
- nr = ntohs(*(__be16 *) ptr);
+ nr = ntohs(*(__be16 *)ptr);
ptr += 2;
/* Store L2TP info in the skb */
@@ -662,7 +661,7 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb,
session->name, ns, nr, session->nr);
}
} else if (session->l2specific_type == L2TP_L2SPECTYPE_DEFAULT) {
- u32 l2h = ntohl(*(__be32 *) ptr);
+ u32 l2h = ntohl(*(__be32 *)ptr);
if (l2h & 0x40000000) {
ns = l2h & 0x00ffffff;
@@ -777,6 +776,7 @@ EXPORT_SYMBOL(l2tp_recv_common);
static int l2tp_session_queue_purge(struct l2tp_session *session)
{
struct sk_buff *skb = NULL;
+
BUG_ON(!session);
BUG_ON(session->magic != L2TP_SESSION_MAGIC);
while ((skb = skb_dequeue(&session->reorder_q))) {
@@ -828,7 +828,7 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb)
optr = ptr = skb->data;
/* Get L2TP header flags */
- hdrflags = ntohs(*(__be16 *) ptr);
+ hdrflags = ntohs(*(__be16 *)ptr);
/* Check protocol version */
version = hdrflags & L2TP_HDR_VER_MASK;
@@ -859,14 +859,14 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb)
ptr += 2;
/* Extract tunnel and session ID */
- tunnel_id = ntohs(*(__be16 *) ptr);
+ tunnel_id = ntohs(*(__be16 *)ptr);
ptr += 2;
- session_id = ntohs(*(__be16 *) ptr);
+ session_id = ntohs(*(__be16 *)ptr);
ptr += 2;
} else {
ptr += 2; /* skip reserved bits */
tunnel_id = tunnel->tunnel_id;
- session_id = ntohl(*(__be32 *) ptr);
+ session_id = ntohl(*(__be32 *)ptr);
ptr += 4;
}
@@ -971,13 +971,13 @@ static int l2tp_build_l2tpv3_header(struct l2tp_session *session, void *buf)
*/
if (tunnel->encap == L2TP_ENCAPTYPE_UDP) {
u16 flags = L2TP_HDR_VER_3;
- *((__be16 *) bufp) = htons(flags);
+ *((__be16 *)bufp) = htons(flags);
bufp += 2;
- *((__be16 *) bufp) = 0;
+ *((__be16 *)bufp) = 0;
bufp += 2;
}
- *((__be32 *) bufp) = htonl(session->peer_session_id);
+ *((__be32 *)bufp) = htonl(session->peer_session_id);
bufp += 4;
if (session->cookie_len) {
memcpy(bufp, &session->cookie[0], session->cookie_len);
@@ -1305,9 +1305,9 @@ static int l2tp_tunnel_sock_create(struct net *net,
memcpy(&udp_conf.peer_ip6, cfg->peer_ip6,
sizeof(udp_conf.peer_ip6));
udp_conf.use_udp6_tx_checksums =
- ! cfg->udp6_zero_tx_checksums;
+ !cfg->udp6_zero_tx_checksums;
udp_conf.use_udp6_rx_checksums =
- ! cfg->udp6_zero_rx_checksums;
+ !cfg->udp6_zero_rx_checksums;
} else
#endif
{
@@ -1340,7 +1340,7 @@ static int l2tp_tunnel_sock_create(struct net *net,
memcpy(&ip6_addr.l2tp_addr, cfg->local_ip6,
sizeof(ip6_addr.l2tp_addr));
ip6_addr.l2tp_conn_id = tunnel_id;
- err = kernel_bind(sock, (struct sockaddr *) &ip6_addr,
+ err = kernel_bind(sock, (struct sockaddr *)&ip6_addr,
sizeof(ip6_addr));
if (err < 0)
goto out;
@@ -1350,7 +1350,7 @@ static int l2tp_tunnel_sock_create(struct net *net,
sizeof(ip6_addr.l2tp_addr));
ip6_addr.l2tp_conn_id = peer_tunnel_id;
err = kernel_connect(sock,
- (struct sockaddr *) &ip6_addr,
+ (struct sockaddr *)&ip6_addr,
sizeof(ip6_addr), 0);
if (err < 0)
goto out;
@@ -1367,7 +1367,7 @@ static int l2tp_tunnel_sock_create(struct net *net,
ip_addr.l2tp_family = AF_INET;
ip_addr.l2tp_addr = cfg->local_ip;
ip_addr.l2tp_conn_id = tunnel_id;
- err = kernel_bind(sock, (struct sockaddr *) &ip_addr,
+ err = kernel_bind(sock, (struct sockaddr *)&ip_addr,
sizeof(ip_addr));
if (err < 0)
goto out;
@@ -1375,7 +1375,7 @@ static int l2tp_tunnel_sock_create(struct net *net,
ip_addr.l2tp_family = AF_INET;
ip_addr.l2tp_addr = cfg->peer_ip;
ip_addr.l2tp_conn_id = peer_tunnel_id;
- err = kernel_connect(sock, (struct sockaddr *) &ip_addr,
+ err = kernel_connect(sock, (struct sockaddr *)&ip_addr,
sizeof(ip_addr), 0);
if (err < 0)
goto out;
@@ -1593,6 +1593,7 @@ void __l2tp_session_unhash(struct l2tp_session *session)
/* For L2TPv3 we have a per-net hash: remove from there, too */
if (tunnel->version != L2TP_HDR_VER_2) {
struct l2tp_net *pn = l2tp_pernet(tunnel->l2tp_net);
+
spin_lock_bh(&pn->l2tp_session_hlist_lock);
hlist_del_init_rcu(&session->global_hlist);
spin_unlock_bh(&pn->l2tp_session_hlist_lock);
@@ -1636,7 +1637,6 @@ void l2tp_session_set_header_len(struct l2tp_session *session, int version)
if (session->tunnel->encap == L2TP_ENCAPTYPE_UDP)
session->hdr_len += 4;
}
-
}
EXPORT_SYMBOL_GPL(l2tp_session_set_header_len);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 22:38:37 +0000