tcp: whitespace fixes

Fix places where there is space before tab, long lines, and
awkward if(){, double spacing etc. Add blank line after declaration/initialization.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_westwood.c b/net/ipv4/tcp_westwood.c
index b94a04a..81911a9 100644
--- a/net/ipv4/tcp_westwood.c
+++ b/net/ipv4/tcp_westwood.c
@@ -42,7 +42,6 @@
 	u8     reset_rtt_min;    /* Reset RTT min to next RTT sample*/
 };
 
-
 /* TCP Westwood functions and constants */
 #define TCP_WESTWOOD_RTT_MIN   (HZ/20)	/* 50ms */
 #define TCP_WESTWOOD_INIT_RTT  (20*HZ)	/* maybe too conservative?! */
@@ -153,7 +152,6 @@
 		w->rtt_min = min(w->rtt, w->rtt_min);
 }
 
-
 /*
  * @westwood_fast_bw
  * It is called when we are in fast path. In particular it is called when
@@ -208,7 +206,6 @@
 	return w->cumul_ack;
 }
 
-
 /*
  * TCP Westwood
  * Here limit is evaluated as Bw estimation*RTTmin (for obtaining it
@@ -219,6 +216,7 @@
 {
 	const struct tcp_sock *tp = tcp_sk(sk);
 	const struct westwood *w = inet_csk_ca(sk);
+
 	return max_t(u32, (w->bw_est * w->rtt_min) / tp->mss_cache, 2);
 }
 
@@ -254,12 +252,12 @@
 	}
 }
 
-
 /* Extract info for Tcp socket info provided via netlink. */
 static void tcp_westwood_info(struct sock *sk, u32 ext,
 			      struct sk_buff *skb)
 {
 	const struct westwood *ca = inet_csk_ca(sk);
+
 	if (ext & (1 << (INET_DIAG_VEGASINFO - 1))) {
 		struct tcpvegas_info info = {
 			.tcpv_enabled = 1,
@@ -271,7 +269,6 @@
 	}
 }
 
-
 static struct tcp_congestion_ops tcp_westwood __read_mostly = {
 	.init		= tcp_westwood_init,
 	.ssthresh	= tcp_reno_ssthresh,