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l2tp: cleanup difficult-to-read line breaks

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Some l2tp code had line breaks which made the code more difficult to
read.  These were originally motivated by the 80-character line width
coding guidelines, but were actually a negative from the perspective of
trying to follow the code.

Remove these linebreaks for clearer code, even if we do exceed 80
characters in width in some places.

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 17:32:07 +01:00 committed by David S. Miller
parent 20dcb1107a
commit 9f7da9a0e3
2 changed files with 31 additions and 44 deletions
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69
net/l2tp/l2tp_netlink.c
View File

@ -165,71 +165,63 @@ static int l2tp_nl_cmd_tunnel_create(struct sk_buff *skb, struct genl_info *info
struct l2tp_tunnel_cfg cfg = { 0, };
struct l2tp_tunnel *tunnel;
struct net *net = genl_info_net(info);
struct nlattr **attrs = info->attrs;
if (!info->attrs[L2TP_ATTR_CONN_ID]) {
if (!attrs[L2TP_ATTR_CONN_ID]) {
ret = -EINVAL;
goto out;
}
tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]);
tunnel_id = nla_get_u32(attrs[L2TP_ATTR_CONN_ID]);
if (!info->attrs[L2TP_ATTR_PEER_CONN_ID]) {
if (!attrs[L2TP_ATTR_PEER_CONN_ID]) {
ret = -EINVAL;
goto out;
}
peer_tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_PEER_CONN_ID]);
peer_tunnel_id = nla_get_u32(attrs[L2TP_ATTR_PEER_CONN_ID]);
if (!info->attrs[L2TP_ATTR_PROTO_VERSION]) {
if (!attrs[L2TP_ATTR_PROTO_VERSION]) {
ret = -EINVAL;
goto out;
}
proto_version = nla_get_u8(info->attrs[L2TP_ATTR_PROTO_VERSION]);
proto_version = nla_get_u8(attrs[L2TP_ATTR_PROTO_VERSION]);
if (!info->attrs[L2TP_ATTR_ENCAP_TYPE]) {
if (!attrs[L2TP_ATTR_ENCAP_TYPE]) {
ret = -EINVAL;
goto out;
}
cfg.encap = nla_get_u16(info->attrs[L2TP_ATTR_ENCAP_TYPE]);
cfg.encap = nla_get_u16(attrs[L2TP_ATTR_ENCAP_TYPE]);
fd = -1;
if (info->attrs[L2TP_ATTR_FD]) {
fd = nla_get_u32(info->attrs[L2TP_ATTR_FD]);
if (attrs[L2TP_ATTR_FD]) {
fd = nla_get_u32(attrs[L2TP_ATTR_FD]);
} else {
#if IS_ENABLED(CONFIG_IPV6)
if (info->attrs[L2TP_ATTR_IP6_SADDR] &&
info->attrs[L2TP_ATTR_IP6_DADDR]) {
cfg.local_ip6 = nla_data(
info->attrs[L2TP_ATTR_IP6_SADDR]);
cfg.peer_ip6 = nla_data(
info->attrs[L2TP_ATTR_IP6_DADDR]);
if (attrs[L2TP_ATTR_IP6_SADDR] && attrs[L2TP_ATTR_IP6_DADDR]) {
cfg.local_ip6 = nla_data(attrs[L2TP_ATTR_IP6_SADDR]);
cfg.peer_ip6 = nla_data(attrs[L2TP_ATTR_IP6_DADDR]);
} else
#endif
if (info->attrs[L2TP_ATTR_IP_SADDR] &&
info->attrs[L2TP_ATTR_IP_DADDR]) {
cfg.local_ip.s_addr = nla_get_in_addr(
info->attrs[L2TP_ATTR_IP_SADDR]);
cfg.peer_ip.s_addr = nla_get_in_addr(
info->attrs[L2TP_ATTR_IP_DADDR]);
if (attrs[L2TP_ATTR_IP_SADDR] && attrs[L2TP_ATTR_IP_DADDR]) {
cfg.local_ip.s_addr = nla_get_in_addr(attrs[L2TP_ATTR_IP_SADDR]);
cfg.peer_ip.s_addr = nla_get_in_addr(attrs[L2TP_ATTR_IP_DADDR]);
} else {
ret = -EINVAL;
goto out;
}
if (info->attrs[L2TP_ATTR_UDP_SPORT])
cfg.local_udp_port = nla_get_u16(info->attrs[L2TP_ATTR_UDP_SPORT]);
if (info->attrs[L2TP_ATTR_UDP_DPORT])
cfg.peer_udp_port = nla_get_u16(info->attrs[L2TP_ATTR_UDP_DPORT]);
cfg.use_udp_checksums = nla_get_flag(
info->attrs[L2TP_ATTR_UDP_CSUM]);
if (attrs[L2TP_ATTR_UDP_SPORT])
cfg.local_udp_port = nla_get_u16(attrs[L2TP_ATTR_UDP_SPORT]);
if (attrs[L2TP_ATTR_UDP_DPORT])
cfg.peer_udp_port = nla_get_u16(attrs[L2TP_ATTR_UDP_DPORT]);
cfg.use_udp_checksums = nla_get_flag(attrs[L2TP_ATTR_UDP_CSUM]);
#if IS_ENABLED(CONFIG_IPV6)
cfg.udp6_zero_tx_checksums = nla_get_flag(
info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_TX]);
cfg.udp6_zero_rx_checksums = nla_get_flag(
info->attrs[L2TP_ATTR_UDP_ZERO_CSUM6_RX]);
cfg.udp6_zero_tx_checksums = nla_get_flag(attrs[L2TP_ATTR_UDP_ZERO_CSUM6_TX]);
cfg.udp6_zero_rx_checksums = nla_get_flag(attrs[L2TP_ATTR_UDP_ZERO_CSUM6_RX]);
#endif
}
if (info->attrs[L2TP_ATTR_DEBUG])
cfg.debug = nla_get_u32(info->attrs[L2TP_ATTR_DEBUG]);
if (attrs[L2TP_ATTR_DEBUG])
cfg.debug = nla_get_u32(attrs[L2TP_ATTR_DEBUG]);
ret = -EINVAL;
switch (cfg.encap) {
@ -715,8 +707,7 @@ static int l2tp_nl_session_send(struct sk_buff *skb, u32 portid, u32 seq, int fl
if (nla_put_u32(skb, L2TP_ATTR_CONN_ID, tunnel->tunnel_id) ||
nla_put_u32(skb, L2TP_ATTR_SESSION_ID, session->session_id) ||
nla_put_u32(skb, L2TP_ATTR_PEER_CONN_ID, tunnel->peer_tunnel_id) ||
nla_put_u32(skb, L2TP_ATTR_PEER_SESSION_ID,
session->peer_session_id) ||
nla_put_u32(skb, L2TP_ATTR_PEER_SESSION_ID, session->peer_session_id) ||
nla_put_u32(skb, L2TP_ATTR_DEBUG, session->debug) ||
nla_put_u16(skb, L2TP_ATTR_PW_TYPE, session->pwtype))
goto nla_put_failure;
@ -724,11 +715,9 @@ static int l2tp_nl_session_send(struct sk_buff *skb, u32 portid, u32 seq, int fl
if ((session->ifname[0] &&
nla_put_string(skb, L2TP_ATTR_IFNAME, session->ifname)) ||
(session->cookie_len &&
nla_put(skb, L2TP_ATTR_COOKIE, session->cookie_len,
&session->cookie[0])) ||
nla_put(skb, L2TP_ATTR_COOKIE, session->cookie_len, session->cookie)) ||
(session->peer_cookie_len &&
nla_put(skb, L2TP_ATTR_PEER_COOKIE, session->peer_cookie_len,
&session->peer_cookie[0])) ||
nla_put(skb, L2TP_ATTR_PEER_COOKIE, session->peer_cookie_len, session->peer_cookie)) ||
nla_put_u8(skb, L2TP_ATTR_RECV_SEQ, session->recv_seq) ||
nla_put_u8(skb, L2TP_ATTR_SEND_SEQ, session->send_seq) ||
nla_put_u8(skb, L2TP_ATTR_LNS_MODE, session->lns_mode) ||

6
net/l2tp/l2tp_ppp.c
View File

@ -1566,8 +1566,7 @@ static void pppol2tp_seq_session_show(struct seq_file *m, void *v)
user_data_ok = 'N';
}
seq_printf(m, " SESSION '%s' %08X/%d %04X/%04X -> "
"%04X/%04X %d %c\n",
seq_printf(m, " SESSION '%s' %08X/%d %04X/%04X -> %04X/%04X %d %c\n",
session->name, ip, port,
tunnel->tunnel_id,
session->session_id,
@ -1606,8 +1605,7 @@ static int pppol2tp_seq_show(struct seq_file *m, void *v)
seq_puts(m, "PPPoL2TP driver info, " PPPOL2TP_DRV_VERSION "\n");
seq_puts(m, "TUNNEL name, user-data-ok session-count\n");
seq_puts(m, " debug tx-pkts/bytes/errs rx-pkts/bytes/errs\n");
seq_puts(m, " SESSION name, addr/port src-tid/sid "
"dest-tid/sid state user-data-ok\n");
seq_puts(m, " SESSION name, addr/port src-tid/sid dest-tid/sid state user-data-ok\n");
seq_puts(m, " mtu/mru/rcvseq/sendseq/lns debug reorderto\n");
seq_puts(m, " nr/ns tx-pkts/bytes/errs rx-pkts/bytes/errs\n");
goto out;