diff options
author | andre <andre@FreeBSD.org> | 2007-03-23 19:11:22 +0000 |
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committer | andre <andre@FreeBSD.org> | 2007-03-23 19:11:22 +0000 |
commit | 04c6de816f9163b8422e4d5eef06a23d9a6846c6 (patch) | |
tree | 34447420ec4819ab1c50ef6a14cd4379e85f687d /sys/netinet/tcp_input.c | |
parent | 8057f896948e710b7ef3c79a9ff199364c0ae084 (diff) | |
download | FreeBSD-src-04c6de816f9163b8422e4d5eef06a23d9a6846c6.zip FreeBSD-src-04c6de816f9163b8422e4d5eef06a23d9a6846c6.tar.gz |
Tidy up some code to conform better to surroundings and style(9), 0 = NULL
and space/tab.
Diffstat (limited to 'sys/netinet/tcp_input.c')
-rw-r--r-- | sys/netinet/tcp_input.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 4c2a490..519803b 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -441,9 +441,9 @@ tcp_input(struct mbuf *m, int off0) int optlen = 0; int len, tlen, off; int drop_hdrlen; - struct tcpcb *tp = 0; + struct tcpcb *tp = NULL; int thflags; - struct socket *so = 0; + struct socket *so = NULL; int todrop, acked, ourfinisacked, needoutput = 0; u_long tiwin; struct tcpopt to; /* options in this segment */ @@ -514,7 +514,8 @@ tcp_input(struct mbuf *m, int off0) off0 = sizeof(struct ip); } if (m->m_len < sizeof (struct tcpiphdr)) { - if ((m = m_pullup(m, sizeof (struct tcpiphdr))) == 0) { + if ((m = m_pullup(m, sizeof (struct tcpiphdr))) + == NULL) { tcpstat.tcps_rcvshort++; return; } @@ -576,7 +577,7 @@ tcp_input(struct mbuf *m, int off0) } else { if (m->m_len < sizeof(struct ip) + off) { if ((m = m_pullup(m, sizeof (struct ip) + off)) - == 0) { + == NULL) { tcpstat.tcps_rcvshort++; return; } @@ -670,13 +671,11 @@ findpcb: #if defined(IPSEC) || defined(FAST_IPSEC) #ifdef INET6 - if (isipv6) { - if (inp != NULL && ipsec6_in_reject(m, inp)) { + if (isipv6 && inp != NULL && ipsec6_in_reject(m, inp)) { #ifdef IPSEC - ipsec6stat.in_polvio++; + ipsec6stat.in_polvio++; #endif - goto drop; - } + goto drop; } else #endif /* INET6 */ if (inp != NULL && ipsec4_in_reject(m, inp)) { @@ -768,7 +767,7 @@ findpcb: * segment and send an appropriate response. */ tp = intotcpcb(inp); - if (tp == 0) { + if (tp == NULL) { INP_UNLOCK(inp); rstreason = BANDLIM_RST_CLOSEDPORT; goto dropwithreset; @@ -813,8 +812,8 @@ findpcb: inc.inc_fport = th->th_sport; inc.inc_lport = th->th_dport; - /* - * If the state is LISTEN then ignore segment if it contains + /* + * If the state is LISTEN then ignore segment if it contains * a RST. If the segment contains an ACK then it is bad and * send a RST. If it does not contain a SYN then it is not * interesting; drop it. @@ -1140,7 +1139,7 @@ after_listen: tcp_xmit_timer(tp, ticks - to.to_tsecr + 1); } else if (tp->t_rtttime && - SEQ_GT(th->th_ack, tp->t_rtseq)) { + SEQ_GT(th->th_ack, tp->t_rtseq)) { if (!tp->t_rttlow || tp->t_rttlow > ticks - tp->t_rtttime) tp->t_rttlow = ticks - tp->t_rtttime; @@ -1883,9 +1882,9 @@ after_listen: th->th_ack != tp->snd_una) tp->t_dupacks = 0; else if (++tp->t_dupacks > tcprexmtthresh || - ((tcp_do_newreno || tp->sack_enable) && - IN_FASTRECOVERY(tp))) { - if (tp->sack_enable && IN_FASTRECOVERY(tp)) { + ((tcp_do_newreno || tp->sack_enable) && + IN_FASTRECOVERY(tp))) { + if (tp->sack_enable && IN_FASTRECOVERY(tp)) { int awnd; /* @@ -2702,7 +2701,7 @@ tcp_pulloutofband(struct socket *so, struct tcphdr *th, struct mbuf *m, } cnt -= m->m_len; m = m->m_next; - if (m == 0) + if (m == NULL) break; } panic("tcp_pulloutofband"); |