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Message-ID: <20200825123211.33235-1-linmiaohe@huawei.com>
Date: Tue, 25 Aug 2020 08:32:11 -0400
From: Miaohe Lin <linmiaohe@...wei.com>
To: <davem@...emloft.net>, <kuznet@....inr.ac.ru>,
<yoshfuji@...ux-ipv6.org>, <kuba@...nel.org>
CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linmiaohe@...wei.com>
Subject: [PATCH] net: clean up codestyle for net/ipv4
This is a pure codestyle cleanup patch. Also add a blank line after
declarations as warned by checkpatch.pl.
Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>
---
net/ipv4/ip_options.c | 35 +++++++++++++++++++----------------
net/ipv4/ip_output.c | 2 +-
net/ipv4/route.c | 6 +++---
3 files changed, 23 insertions(+), 20 deletions(-)
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index 948747aac4e2..da1b5038bdfd 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -47,32 +47,32 @@ void ip_options_build(struct sk_buff *skb, struct ip_options *opt,
unsigned char *iph = skb_network_header(skb);
memcpy(&(IPCB(skb)->opt), opt, sizeof(struct ip_options));
- memcpy(iph+sizeof(struct iphdr), opt->__data, opt->optlen);
+ memcpy(iph + sizeof(struct iphdr), opt->__data, opt->optlen);
opt = &(IPCB(skb)->opt);
if (opt->srr)
- memcpy(iph+opt->srr+iph[opt->srr+1]-4, &daddr, 4);
+ memcpy(iph + opt->srr + iph[opt->srr + 1] - 4, &daddr, 4);
if (!is_frag) {
if (opt->rr_needaddr)
- ip_rt_get_source(iph+opt->rr+iph[opt->rr+2]-5, skb, rt);
+ ip_rt_get_source(iph + opt->rr + iph[opt->rr + 2] - 5, skb, rt);
if (opt->ts_needaddr)
- ip_rt_get_source(iph+opt->ts+iph[opt->ts+2]-9, skb, rt);
+ ip_rt_get_source(iph + opt->ts + iph[opt->ts + 2] - 9, skb, rt);
if (opt->ts_needtime) {
__be32 midtime;
midtime = inet_current_timestamp();
- memcpy(iph+opt->ts+iph[opt->ts+2]-5, &midtime, 4);
+ memcpy(iph + opt->ts + iph[opt->ts + 2] - 5, &midtime, 4);
}
return;
}
if (opt->rr) {
- memset(iph+opt->rr, IPOPT_NOP, iph[opt->rr+1]);
+ memset(iph + opt->rr, IPOPT_NOP, iph[opt->rr + 1]);
opt->rr = 0;
opt->rr_needaddr = 0;
}
if (opt->ts) {
- memset(iph+opt->ts, IPOPT_NOP, iph[opt->ts+1]);
+ memset(iph + opt->ts, IPOPT_NOP, iph[opt->ts + 1]);
opt->ts = 0;
opt->ts_needaddr = opt->ts_needtime = 0;
}
@@ -495,26 +495,29 @@ EXPORT_SYMBOL(ip_options_compile);
void ip_options_undo(struct ip_options *opt)
{
if (opt->srr) {
- unsigned char *optptr = opt->__data+opt->srr-sizeof(struct iphdr);
- memmove(optptr+7, optptr+3, optptr[1]-7);
- memcpy(optptr+3, &opt->faddr, 4);
+ unsigned char *optptr = opt->__data + opt->srr - sizeof(struct iphdr);
+
+ memmove(optptr + 7, optptr + 3, optptr[1] - 7);
+ memcpy(optptr + 3, &opt->faddr, 4);
}
if (opt->rr_needaddr) {
- unsigned char *optptr = opt->__data+opt->rr-sizeof(struct iphdr);
+ unsigned char *optptr = opt->__data + opt->rr - sizeof(struct iphdr);
+
optptr[2] -= 4;
- memset(&optptr[optptr[2]-1], 0, 4);
+ memset(&optptr[optptr[2] - 1], 0, 4);
}
if (opt->ts) {
- unsigned char *optptr = opt->__data+opt->ts-sizeof(struct iphdr);
+ unsigned char *optptr = opt->__data + opt->ts - sizeof(struct iphdr);
+
if (opt->ts_needtime) {
optptr[2] -= 4;
- memset(&optptr[optptr[2]-1], 0, 4);
- if ((optptr[3]&0xF) == IPOPT_TS_PRESPEC)
+ memset(&optptr[optptr[2] - 1], 0, 4);
+ if ((optptr[3] & 0xF) == IPOPT_TS_PRESPEC)
optptr[2] -= 4;
}
if (opt->ts_needaddr) {
optptr[2] -= 4;
- memset(&optptr[optptr[2]-1], 0, 4);
+ memset(&optptr[optptr[2] - 1], 0, 4);
}
}
}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 61f802d5350c..329a0ab87542 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -1351,7 +1351,7 @@ ssize_t ip_append_page(struct sock *sk, struct flowi4 *fl4, struct page *page,
if (cork->flags & IPCORK_OPT)
opt = cork->opt;
- if (!(rt->dst.dev->features&NETIF_F_SG))
+ if (!(rt->dst.dev->features & NETIF_F_SG))
return -EOPNOTSUPP;
hh_len = LL_RESERVED_SPACE(rt->dst.dev);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 18c8baf32de5..96fcdfb9bb26 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1079,7 +1079,7 @@ EXPORT_SYMBOL_GPL(ipv4_update_pmtu);
static void __ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
{
- const struct iphdr *iph = (const struct iphdr *) skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct flowi4 fl4;
struct rtable *rt;
@@ -1127,7 +1127,7 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
new = true;
}
- __ip_rt_update_pmtu((struct rtable *) xfrm_dst_path(&rt->dst), &fl4, mtu);
+ __ip_rt_update_pmtu((struct rtable *)xfrm_dst_path(&rt->dst), &fl4, mtu);
if (!dst_check(&rt->dst, 0)) {
if (new)
@@ -1168,7 +1168,7 @@ EXPORT_SYMBOL_GPL(ipv4_redirect);
void ipv4_sk_redirect(struct sk_buff *skb, struct sock *sk)
{
- const struct iphdr *iph = (const struct iphdr *) skb->data;
+ const struct iphdr *iph = (const struct iphdr *)skb->data;
struct flowi4 fl4;
struct rtable *rt;
struct net *net = sock_net(sk);
--
2.19.1
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