net: cleanups

remove useless blanks.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
----
 include/net/inet_common.h |   55 ++++-------
 include/net/tcp.h         |  222 +++++++++++++++++-----------------------------
 include/net/udp.h         |   38 +++----
 3 files changed, 123 insertions(+), 192 deletions(-)
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/inet_common.h

@@ -14,35 +14,22 @@ struct sockaddr;
 struct socket;
 
 extern int inet_release(struct socket *sock);
-extern int			inet_stream_connect(struct socket *sock,
-						    struct sockaddr * uaddr,
+extern int inet_stream_connect(struct socket *sock, struct sockaddr * uaddr,
 			       int addr_len, int flags);
-extern int			inet_dgram_connect(struct socket *sock, 
-						   struct sockaddr * uaddr,
+extern int inet_dgram_connect(struct socket *sock, struct sockaddr * uaddr,
 			      int addr_len, int flags);
-extern int			inet_accept(struct socket *sock, 
-					    struct socket *newsock, int flags);
-extern int			inet_sendmsg(struct kiocb *iocb,
-					     struct socket *sock, 
-					     struct msghdr *msg, 
-					     size_t size);
+extern int inet_accept(struct socket *sock, struct socket *newsock, int flags);
+extern int inet_sendmsg(struct kiocb *iocb, struct socket *sock,
+			struct msghdr *msg, size_t size);
 extern int inet_shutdown(struct socket *sock, int how);
 extern int inet_listen(struct socket *sock, int backlog);
-
 extern void inet_sock_destruct(struct sock *sk);
-
-extern int			inet_bind(struct socket *sock, 
-					  struct sockaddr *uaddr, int addr_len);
-extern int			inet_getname(struct socket *sock, 
-					     struct sockaddr *uaddr, 
+extern int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len);
+extern int inet_getname(struct socket *sock, struct sockaddr *uaddr,
 			int *uaddr_len, int peer);
-extern int			inet_ioctl(struct socket *sock, 
-					   unsigned int cmd, unsigned long arg);
-
-extern int			inet_ctl_sock_create(struct sock **sk,
-						     unsigned short family,
-						     unsigned short type,
-						     unsigned char protocol,
+extern int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg);
+extern int inet_ctl_sock_create(struct sock **sk, unsigned short family,
+				unsigned short type, unsigned char protocol,
 				struct net *net);
 
 static inline void inet_ctl_sock_destroy(struct sock *sk)
@@ -51,5 +38,3 @@ static inline void inet_ctl_sock_destroy(struct sock *sk)
 }
 
 #endif
-
-

include/net/tcp.h

@@ -303,38 +303,23 @@ extern void			tcp_shutdown (struct sock *sk, int how);
 extern int tcp_v4_rcv(struct sk_buff *skb);
 
 extern int tcp_v4_remember_stamp(struct sock *sk);
-
 extern int tcp_v4_tw_remember_stamp(struct inet_timewait_sock *tw);
-
 extern int tcp_sendmsg(struct kiocb *iocb, struct socket *sock,
 		       struct msghdr *msg, size_t size);
-extern ssize_t			tcp_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags);
-
-extern int			tcp_ioctl(struct sock *sk, 
-					  int cmd, 
-					  unsigned long arg);
-
-extern int			tcp_rcv_state_process(struct sock *sk, 
-						      struct sk_buff *skb,
-						      struct tcphdr *th,
-						      unsigned len);
-
-extern int			tcp_rcv_established(struct sock *sk, 
-						    struct sk_buff *skb,
-						    struct tcphdr *th, 
-						    unsigned len);
-
+extern ssize_t tcp_sendpage(struct socket *sock, struct page *page, int offset,
+			    size_t size, int flags);
+extern int tcp_ioctl(struct sock *sk, int cmd, unsigned long arg);
+extern int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
+				 struct tcphdr *th, unsigned len);
+extern int tcp_rcv_established(struct sock *sk, struct sk_buff *skb,
+			       struct tcphdr *th, unsigned len);
 extern void tcp_rcv_space_adjust(struct sock *sk);
-
 extern void tcp_cleanup_rbuf(struct sock *sk, int copied);
-
-extern int			tcp_twsk_unique(struct sock *sk,
-						struct sock *sktw, void *twp);
-
+extern int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp);
 extern void tcp_twsk_destructor(struct sock *sk);
-
 extern ssize_t tcp_splice_read(struct socket *sk, loff_t *ppos,
-					        struct pipe_inode_info *pipe, size_t len, unsigned int flags);
+			       struct pipe_inode_info *pipe, size_t len,
+			       unsigned int flags);
 
 static inline void tcp_dec_quickack_mode(struct sock *sk,
 					 const unsigned int pkts)
@@ -375,84 +360,55 @@ enum tcp_tw_status {
 extern enum tcp_tw_status tcp_timewait_state_process(struct inet_timewait_sock *tw,
 						     struct sk_buff *skb,
 						     const struct tcphdr *th);
-
 extern struct sock * tcp_check_req(struct sock *sk,struct sk_buff *skb,
 				   struct request_sock *req,
 				   struct request_sock **prev);
-extern int			tcp_child_process(struct sock *parent,
-						  struct sock *child,
+extern int tcp_child_process(struct sock *parent, struct sock *child,
 			     struct sk_buff *skb);
 extern int tcp_use_frto(struct sock *sk);
 extern void tcp_enter_frto(struct sock *sk);
 extern void tcp_enter_loss(struct sock *sk, int how);
 extern void tcp_clear_retrans(struct tcp_sock *tp);
 extern void tcp_update_metrics(struct sock *sk);
-
-extern void			tcp_close(struct sock *sk, 
-					  long timeout);
-extern unsigned int		tcp_poll(struct file * file, struct socket *sock, struct poll_table_struct *wait);
-
-extern int			tcp_getsockopt(struct sock *sk, int level, 
-					       int optname,
-					       char __user *optval, 
-					       int __user *optlen);
-extern int			tcp_setsockopt(struct sock *sk, int level, 
-					       int optname, char __user *optval, 
-					       unsigned int optlen);
-extern int			compat_tcp_getsockopt(struct sock *sk,
-					int level, int optname,
+extern void tcp_close(struct sock *sk, long timeout);
+extern unsigned int tcp_poll(struct file * file, struct socket *sock,
+			     struct poll_table_struct *wait);
+extern int tcp_getsockopt(struct sock *sk, int level, int optname,
+			  char __user *optval, int __user *optlen);
+extern int tcp_setsockopt(struct sock *sk, int level, int optname,
+			  char __user *optval, unsigned int optlen);
+extern int compat_tcp_getsockopt(struct sock *sk, int level, int optname,
 				 char __user *optval, int __user *optlen);
-extern int			compat_tcp_setsockopt(struct sock *sk,
-					int level, int optname,
+extern int compat_tcp_setsockopt(struct sock *sk, int level, int optname,
 				 char __user *optval, unsigned int optlen);
 extern void tcp_set_keepalive(struct sock *sk, int val);
-extern void			tcp_syn_ack_timeout(struct sock *sk,
-						    struct request_sock *req);
-extern int			tcp_recvmsg(struct kiocb *iocb, struct sock *sk,
-					    struct msghdr *msg,
-					    size_t len, int nonblock, 
-					    int flags, int *addr_len);
-
+extern void tcp_syn_ack_timeout(struct sock *sk, struct request_sock *req);
+extern int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+		       size_t len, int nonblock, int flags, int *addr_len);
 extern void tcp_parse_options(struct sk_buff *skb,
-						  struct tcp_options_received *opt_rx,
-						  u8 **hvpp,
+			      struct tcp_options_received *opt_rx, u8 **hvpp,
 			      int estab);
-
 extern u8 *tcp_parse_md5sig_option(struct tcphdr *th);
 
 /*
  *	TCP v4 functions exported for the inet6 API
  */
 
-extern void		       	tcp_v4_send_check(struct sock *sk,
-						  struct sk_buff *skb);
-
-extern int			tcp_v4_conn_request(struct sock *sk,
-						    struct sk_buff *skb);
-
+extern void tcp_v4_send_check(struct sock *sk, struct sk_buff *skb);
+extern int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb);
 extern struct sock * tcp_create_openreq_child(struct sock *sk,
 					      struct request_sock *req,
 					      struct sk_buff *skb);
-
-extern struct sock *		tcp_v4_syn_recv_sock(struct sock *sk,
-						     struct sk_buff *skb,
+extern struct sock * tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
 					  struct request_sock *req,
 					  struct dst_entry *dst);
-
-extern int			tcp_v4_do_rcv(struct sock *sk,
-					      struct sk_buff *skb);
-
-extern int			tcp_v4_connect(struct sock *sk,
-					       struct sockaddr *uaddr,
+extern int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb);
+extern int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr,
 			  int addr_len);
-
 extern int tcp_connect(struct sock *sk);
-
-extern struct sk_buff *		tcp_make_synack(struct sock *sk,
-						struct dst_entry *dst,
+extern struct sk_buff * tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 					struct request_sock *req,
 					struct request_values *rvp);
-
 extern int tcp_disconnect(struct sock *sk, int flags);
 
 
@@ -1174,22 +1130,14 @@ struct tcp_md5sig_pool {
 #define TCP_MD5SIG_MAXKEYS	(~(u32)0)	/* really?! */
 
 /* - functions */
-extern int			tcp_v4_md5_hash_skb(char *md5_hash,
-						    struct tcp_md5sig_key *key,
-						    struct sock *sk,
-						    struct request_sock *req,
+extern int tcp_v4_md5_hash_skb(char *md5_hash, struct tcp_md5sig_key *key,
+			       struct sock *sk, struct request_sock *req,
 			       struct sk_buff *skb);
-
-extern struct tcp_md5sig_key	*tcp_v4_md5_lookup(struct sock *sk,
+extern struct tcp_md5sig_key * tcp_v4_md5_lookup(struct sock *sk,
 						 struct sock *addr_sk);
-
-extern int			tcp_v4_md5_do_add(struct sock *sk,
-						  __be32 addr,
-						  u8 *newkey,
+extern int tcp_v4_md5_do_add(struct sock *sk, __be32 addr, u8 *newkey,
 			     u8 newkeylen);
-
-extern int			tcp_v4_md5_do_del(struct sock *sk,
-						  __be32 addr);
+extern int tcp_v4_md5_do_del(struct sock *sk, __be32 addr);
 
 #ifdef CONFIG_TCP_MD5SIG
 #define tcp_twsk_md5_key(twsk)	((twsk)->tw_md5_keylen ? 		 \

include/net/udp.h

@@ -163,13 +163,12 @@ extern int	udp_lib_get_port(struct sock *sk, unsigned short snum,
 
 /* net/ipv4/udp.c */
 extern int udp_get_port(struct sock *sk, unsigned short snum,
-			     int (*saddr_cmp)(const struct sock *, const struct sock *));
+			int (*saddr_cmp)(const struct sock *,
+					 const struct sock *));
 extern void udp_err(struct sk_buff *, u32);
-
 extern int udp_sendmsg(struct kiocb *iocb, struct sock *sk,
 			    struct msghdr *msg, size_t len);
 extern void udp_flush_pending_frames(struct sock *sk);
-
 extern int udp_rcv(struct sk_buff *skb);
 extern int udp_ioctl(struct sock *sk, int cmd, unsigned long arg);
 extern int udp_disconnect(struct sock *sk, int flags);
@@ -180,7 +179,6 @@ extern int 	udp_lib_getsockopt(struct sock *sk, int level, int optname,
 extern int udp_lib_setsockopt(struct sock *sk, int level, int optname,
 			      char __user *optval, unsigned int optlen,
 			      int (*push_pending_frames)(struct sock *));
-
 extern struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport,
 				    __be32 daddr, __be16 dport,
 				    int dif);