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l2tp: cleanup whitespace use

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Fix up various whitespace issues as reported by checkpatch.pl:

 * remove spaces around operators where appropriate,
 * add missing blank lines following declarations,
 * remove multiple blank lines, or trailing blank lines at the end of
   functions.

Signed-off-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Parkin 2020-07-22 17:32:05 +01:00 committed by David S. Miller
parent 637989b5d7
commit b71a61ccfe
7 changed files with 48 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
net/l2tp/l2tp_core.c
View File

@ -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);

2
net/l2tp/l2tp_debugfs.c
View File

@ -63,7 +63,6 @@ static void l2tp_dfs_next_session(struct l2tp_dfs_seq_data *pd)
pd->session_idx = 0;
l2tp_dfs_next_tunnel(pd);
}
}
static void *l2tp_dfs_seq_start(struct seq_file *m, loff_t *offs)
@ -90,7 +89,6 @@ out:
return pd;
}
static void *l2tp_dfs_seq_next(struct seq_file *m, void *v, loff_t *pos)
{
(*pos)++;

16
net/l2tp/l2tp_eth.c
View File

@ -51,7 +51,6 @@ struct l2tp_eth_sess {
struct net_device __rcu *dev;
};
static int l2tp_eth_dev_init(struct net_device *dev)
{
eth_hw_addr_random(dev);
@ -94,13 +93,12 @@ static void l2tp_eth_get_stats64(struct net_device *dev,
{
struct l2tp_eth *priv = netdev_priv(dev);
stats->tx_bytes = (unsigned long) atomic_long_read(&priv->tx_bytes);
stats->tx_packets = (unsigned long) atomic_long_read(&priv->tx_packets);
stats->tx_dropped = (unsigned long) atomic_long_read(&priv->tx_dropped);
stats->rx_bytes = (unsigned long) atomic_long_read(&priv->rx_bytes);
stats->rx_packets = (unsigned long) atomic_long_read(&priv->rx_packets);
stats->rx_errors = (unsigned long) atomic_long_read(&priv->rx_errors);
stats->tx_bytes = (unsigned long)atomic_long_read(&priv->tx_bytes);
stats->tx_packets = (unsigned long)atomic_long_read(&priv->tx_packets);
stats->tx_dropped = (unsigned long)atomic_long_read(&priv->tx_dropped);
stats->rx_bytes = (unsigned long)atomic_long_read(&priv->rx_bytes);
stats->rx_packets = (unsigned long)atomic_long_read(&priv->rx_packets);
stats->rx_errors = (unsigned long)atomic_long_read(&priv->rx_errors);
}
static const struct net_device_ops l2tp_eth_netdev_ops = {
@ -348,13 +346,11 @@ err:
return rc;
}
static const struct l2tp_nl_cmd_ops l2tp_eth_nl_cmd_ops = {
.session_create = l2tp_eth_create,
.session_delete = l2tp_session_delete,
};
static int __init l2tp_eth_init(void)
{
int err = 0;

14
net/l2tp/l2tp_ip.c
View File

@ -126,7 +126,7 @@ static int l2tp_ip_recv(struct sk_buff *skb)
/* Point to L2TP header */
optr = ptr = skb->data;
session_id = ntohl(*((__be32 *) ptr));
session_id = ntohl(*((__be32 *)ptr));
ptr += 4;
/* RFC3931: L2TP/IP packets have the first 4 bytes containing
@ -176,7 +176,7 @@ pass_up:
if ((skb->data[0] & 0xc0) != 0xc0)
goto discard;
tunnel_id = ntohl(*(__be32 *) &skb->data[4]);
tunnel_id = ntohl(*(__be32 *)&skb->data[4]);
iph = (struct iphdr *)skb_network_header(skb);
read_lock_bh(&l2tp_ip_lock);
@ -260,7 +260,7 @@ static void l2tp_ip_destroy_sock(struct sock *sk)
static int l2tp_ip_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
struct inet_sock *inet = inet_sk(sk);
struct sockaddr_l2tpip *addr = (struct sockaddr_l2tpip *) uaddr;
struct sockaddr_l2tpip *addr = (struct sockaddr_l2tpip *)uaddr;
struct net *net = sock_net(sk);
int ret;
int chk_addr_ret;
@ -316,7 +316,7 @@ out:
static int l2tp_ip_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
struct sockaddr_l2tpip *lsa = (struct sockaddr_l2tpip *) uaddr;
struct sockaddr_l2tpip *lsa = (struct sockaddr_l2tpip *)uaddr;
int rc;
if (addr_len < sizeof(*lsa))
@ -375,6 +375,7 @@ static int l2tp_ip_getname(struct socket *sock, struct sockaddr *uaddr,
lsa->l2tp_addr.s_addr = inet->inet_daddr;
} else {
__be32 addr = inet->inet_rcv_saddr;
if (!addr)
addr = inet->inet_saddr;
lsa->l2tp_conn_id = lsk->conn_id;
@ -422,6 +423,7 @@ static int l2tp_ip_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
/* Get and verify the address. */
if (msg->msg_name) {
DECLARE_SOCKADDR(struct sockaddr_l2tpip *, lip, msg->msg_name);
rc = -EINVAL;
if (msg->msg_namelen < sizeof(*lip))
goto out;
@ -456,7 +458,7 @@ static int l2tp_ip_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
skb_reset_transport_header(skb);
/* Insert 0 session_id */
*((__be32 *) skb_put(skb, 4)) = 0;
*((__be32 *)skb_put(skb, 4)) = 0;
/* Copy user data into skb */
rc = memcpy_from_msg(skb_put(skb, len), msg, len);
@ -467,7 +469,7 @@ static int l2tp_ip_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
fl4 = &inet->cork.fl.u.ip4;
if (connected)
rt = (struct rtable *) __sk_dst_check(sk, 0);
rt = (struct rtable *)__sk_dst_check(sk, 0);
rcu_read_lock();
if (rt == NULL) {

14
net/l2tp/l2tp_ip6.c
View File

@ -138,7 +138,7 @@ static int l2tp_ip6_recv(struct sk_buff *skb)
/* Point to L2TP header */
optr = ptr = skb->data;
session_id = ntohl(*((__be32 *) ptr));
session_id = ntohl(*((__be32 *)ptr));
ptr += 4;
/* RFC3931: L2TP/IP packets have the first 4 bytes containing
@ -188,7 +188,7 @@ pass_up:
if ((skb->data[0] & 0xc0) != 0xc0)
goto discard;
tunnel_id = ntohl(*(__be32 *) &skb->data[4]);
tunnel_id = ntohl(*(__be32 *)&skb->data[4]);
iph = ipv6_hdr(skb);
read_lock_bh(&l2tp_ip6_lock);
@ -276,7 +276,7 @@ static int l2tp_ip6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
struct sockaddr_l2tpip6 *addr = (struct sockaddr_l2tpip6 *) uaddr;
struct sockaddr_l2tpip6 *addr = (struct sockaddr_l2tpip6 *)uaddr;
struct net *net = sock_net(sk);
__be32 v4addr = 0;
int bound_dev_if;
@ -375,8 +375,8 @@ out_unlock:
static int l2tp_ip6_connect(struct sock *sk, struct sockaddr *uaddr,
int addr_len)
{
struct sockaddr_l2tpip6 *lsa = (struct sockaddr_l2tpip6 *) uaddr;
struct sockaddr_in6 *usin = (struct sockaddr_in6 *) uaddr;
struct sockaddr_l2tpip6 *lsa = (struct sockaddr_l2tpip6 *)uaddr;
struct sockaddr_in6 *usin = (struct sockaddr_in6 *)uaddr;
struct in6_addr *daddr;
int addr_type;
int rc;
@ -548,7 +548,7 @@ static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
daddr = &lsa->l2tp_addr;
if (np->sndflow) {
fl6.flowlabel = lsa->l2tp_flowinfo & IPV6_FLOWINFO_MASK;
if (fl6.flowlabel&IPV6_FLOWLABEL_MASK) {
if (fl6.flowlabel & IPV6_FLOWLABEL_MASK) {
flowlabel = fl6_sock_lookup(sk, fl6.flowlabel);
if (IS_ERR(flowlabel))
return -EINVAL;
@ -594,7 +594,7 @@ static int l2tp_ip6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
if (IS_ERR(flowlabel))
return -EINVAL;
}
if (!(opt->opt_nflen|opt->opt_flen))
if (!(opt->opt_nflen | opt->opt_flen))
opt = NULL;
}

3
net/l2tp/l2tp_netlink.c
View File

@ -27,7 +27,6 @@
#include "l2tp_core.h"
static struct genl_family l2tp_nl_family;
static const struct genl_multicast_group l2tp_multicast_group[] = {
@ -570,6 +569,7 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf
if (info->attrs[L2TP_ATTR_COOKIE]) {
u16 len = nla_len(info->attrs[L2TP_ATTR_COOKIE]);
if (len > 8) {
ret = -EINVAL;
goto out_tunnel;
@ -579,6 +579,7 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf
}
if (info->attrs[L2TP_ATTR_PEER_COOKIE]) {
u16 len = nla_len(info->attrs[L2TP_ATTR_PEER_COOKIE]);
if (len > 8) {
ret = -EINVAL;
goto out_tunnel;

9
net/l2tp/l2tp_ppp.c
View File

@ -351,7 +351,7 @@ error:
*/
static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
{
struct sock *sk = (struct sock *) chan->private;
struct sock *sk = (struct sock *)chan->private;
struct l2tp_session *session;
struct l2tp_tunnel *tunnel;
int uhlen, headroom;
@ -928,6 +928,7 @@ static int pppol2tp_getname(struct socket *sock, struct sockaddr *uaddr,
inet = inet_sk(tunnel->sock);
if ((tunnel->version == 2) && (tunnel->sock->sk_family == AF_INET)) {
struct sockaddr_pppol2tp sp;
len = sizeof(sp);
memset(&sp, 0, len);
sp.sa_family = AF_PPPOX;
@ -984,6 +985,7 @@ static int pppol2tp_getname(struct socket *sock, struct sockaddr *uaddr,
#endif
} else if (tunnel->version == 3) {
struct sockaddr_pppol2tpv3 sp;
len = sizeof(sp);
memset(&sp, 0, len);
sp.sa_family = AF_PPPOX;
@ -1343,7 +1345,7 @@ static int pppol2tp_session_getsockopt(struct sock *sk,
break;
case PPPOL2TP_SO_REORDERTO:
*val = (int) jiffies_to_msecs(session->reorder_timeout);
*val = (int)jiffies_to_msecs(session->reorder_timeout);
l2tp_info(session, L2TP_MSG_CONTROL,
"%s: get reorder_timeout=%d\n", session->name, *val);
break;
@ -1407,7 +1409,7 @@ static int pppol2tp_getsockopt(struct socket *sock, int level, int optname,
if (put_user(len, optlen))
goto end_put_sess;
if (copy_to_user((void __user *) optval, &val, len))
if (copy_to_user((void __user *)optval, &val, len))
goto end_put_sess;
err = 0;
@ -1551,6 +1553,7 @@ static void pppol2tp_seq_session_show(struct seq_file *m, void *v)
if (tunnel->sock) {
struct inet_sock *inet = inet_sk(tunnel->sock);
ip = ntohl(inet->inet_saddr);
port = ntohs(inet->inet_sport);
}