net: clean up codestyle

This is a pure codestyle cleanup patch. No functional change intended.
Signed-off-by: NMiaohe Lin <linmiaohe@huawei.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

include/net/dst.h

@@ -214,7 +214,7 @@ dst_allfrag(const struct dst_entry *dst)
 static inline int
 dst_metric_locked(const struct dst_entry *dst, int metric)
 {
-	return dst_metric(dst, RTAX_LOCK) & (1<<metric);
+	return dst_metric(dst, RTAX_LOCK) & (1 << metric);
 }
 
 static inline void dst_hold(struct dst_entry *dst)

include/net/sock.h

@@ -1478,7 +1478,7 @@ sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size)
 {
 	if (!sk_has_account(sk))
 		return true;
-	return size<= sk->sk_forward_alloc ||
+	return size <= sk->sk_forward_alloc ||
 		__sk_mem_schedule(sk, size, SK_MEM_RECV) ||
 		skb_pfmemalloc(skb);
 }

net/ipv4/icmp.c

@@ -784,7 +784,7 @@ EXPORT_SYMBOL(icmp_ndo_send);
 
 static void icmp_socket_deliver(struct sk_buff *skb, u32 info)
 {
-	const struct iphdr *iph = (const struct iphdr *) skb->data;
+	const struct iphdr *iph = (const struct iphdr *)skb->data;
 	const struct net_protocol *ipprot;
 	int protocol = iph->protocol;
 

net/ipv4/ip_output.c

@@ -1536,7 +1536,7 @@ struct sk_buff *__ip_make_skb(struct sock *sk,
 	ip_select_ident(net, skb, sk);
 
 	if (opt) {
-		iph->ihl += opt->optlen>>2;
+		iph->ihl += opt->optlen >> 2;
 		ip_options_build(skb, opt, cork->addr, rt, 0);
 	}
 

net/ipv4/ping.c

@@ -293,7 +293,8 @@ EXPORT_SYMBOL_GPL(ping_close);
 
 /* Checks the bind address and possibly modifies sk->sk_bound_dev_if. */
 static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk,
-				struct sockaddr *uaddr, int addr_len) {
+				struct sockaddr *uaddr, int addr_len)
+{
 	struct net *net = sock_net(sk);
 	if (sk->sk_family == AF_INET) {
 		struct sockaddr_in *addr = (struct sockaddr_in *) uaddr;
@@ -634,7 +635,8 @@ static int ping_v4_push_pending_frames(struct sock *sk, struct pingfakehdr *pfh,
 }
 
 int ping_common_sendmsg(int family, struct msghdr *msg, size_t len,
-			void *user_icmph, size_t icmph_len) {
+			void *user_icmph, size_t icmph_len)
+{
 	u8 type, code;
 
 	if (len > 0xFFFF)

net/ipv4/route.c

@@ -623,7 +623,7 @@ static inline u32 fnhe_hashfun(__be32 daddr)
 	u32 hval;
 
 	net_get_random_once(&fnhe_hashrnd, sizeof(fnhe_hashrnd));
-	hval = jhash_1word((__force u32) daddr, fnhe_hashrnd);
+	hval = jhash_1word((__force u32)daddr, fnhe_hashrnd);
 	return hash_32(hval, FNHE_HASH_SHIFT);
 }
 
@@ -1062,7 +1062,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
 void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu,
 		      int oif, u8 protocol)
 {
-	const struct iphdr *iph = (const struct iphdr *) skb->data;
+	const struct iphdr *iph = (const struct iphdr *)skb->data;
 	struct flowi4 fl4;
 	struct rtable *rt;
 	u32 mark = IP4_REPLY_MARK(net, skb->mark);
@@ -1097,7 +1097,7 @@ static void __ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu)
 
 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;
 	struct dst_entry *odst = NULL;
@@ -1152,7 +1152,7 @@ EXPORT_SYMBOL_GPL(ipv4_sk_update_pmtu);
 void ipv4_redirect(struct sk_buff *skb, struct net *net,
 		   int oif, u8 protocol)
 {
-	const struct iphdr *iph = (const struct iphdr *) skb->data;
+	const struct iphdr *iph = (const struct iphdr *)skb->data;
 	struct flowi4 fl4;
 	struct rtable *rt;
 
@@ -1308,7 +1308,7 @@ static unsigned int ipv4_default_advmss(const struct dst_entry *dst)
 
 static unsigned int ipv4_mtu(const struct dst_entry *dst)
 {
-	const struct rtable *rt = (const struct rtable *) dst;
+	const struct rtable *rt = (const struct rtable *)dst;
 	unsigned int mtu = rt->rt_pmtu;
 
 	if (!mtu || time_after_eq(jiffies, rt->dst.expires))