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[NETFILTER]: nf_conntrack_sctp: reduce line length further

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Eliminate a few lines over 80 characters by using a local variable to
hold the conntrack direction instead of using CTINFO2DIR everywhere.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2008-01-14 23:46:37 -08:00 committed by David S. Miller
parent 112f35c9c1
commit 8528819adc
1 changed files with 12 additions and 11 deletions
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23
net/netfilter/nf_conntrack_proto_sctp.c
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@ -300,6 +300,7 @@ static int sctp_packet(struct nf_conn *ct,
unsigned int hooknum)
{
enum sctp_conntrack newconntrack, oldsctpstate;
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
sctp_sctphdr_t _sctph, *sh;
sctp_chunkhdr_t _sch, *sch;
u_int32_t offset, count;
@ -318,7 +319,7 @@ static int sctp_packet(struct nf_conn *ct,
!test_bit(SCTP_CID_COOKIE_ECHO, map) &&
!test_bit(SCTP_CID_ABORT, map) &&
!test_bit(SCTP_CID_SHUTDOWN_ACK, map) &&
sh->vtag != ct->proto.sctp.vtag[CTINFO2DIR(ctinfo)]) {
sh->vtag != ct->proto.sctp.vtag[dir]) {
pr_debug("Verification tag check failed\n");
return -1;
}
@ -336,35 +337,35 @@ static int sctp_packet(struct nf_conn *ct,
}
} else if (sch->type == SCTP_CID_ABORT) {
/* Sec 8.5.1 (B) */
if (sh->vtag != ct->proto.sctp.vtag[CTINFO2DIR(ctinfo)] &&
sh->vtag != ct->proto.sctp.vtag[1 - CTINFO2DIR(ctinfo)]) {
if (sh->vtag != ct->proto.sctp.vtag[dir] &&
sh->vtag != ct->proto.sctp.vtag[!dir]) {
write_unlock_bh(&sctp_lock);
return -1;
}
} else if (sch->type == SCTP_CID_SHUTDOWN_COMPLETE) {
/* Sec 8.5.1 (C) */
if (sh->vtag != ct->proto.sctp.vtag[CTINFO2DIR(ctinfo)] &&
sh->vtag != ct->proto.sctp.vtag[1 - CTINFO2DIR(ctinfo)] &&
if (sh->vtag != ct->proto.sctp.vtag[dir] &&
sh->vtag != ct->proto.sctp.vtag[!dir] &&
(sch->flags & 1)) {
write_unlock_bh(&sctp_lock);
return -1;
}
} else if (sch->type == SCTP_CID_COOKIE_ECHO) {
/* Sec 8.5.1 (D) */
if (sh->vtag != ct->proto.sctp.vtag[CTINFO2DIR(ctinfo)]) {
if (sh->vtag != ct->proto.sctp.vtag[dir]) {
write_unlock_bh(&sctp_lock);
return -1;
}
}
oldsctpstate = ct->proto.sctp.state;
newconntrack = new_state(CTINFO2DIR(ctinfo), oldsctpstate, sch->type);
newconntrack = new_state(dir, oldsctpstate, sch->type);
/* Invalid */
if (newconntrack == SCTP_CONNTRACK_MAX) {
pr_debug("nf_conntrack_sctp: Invalid dir=%i ctype=%u "
"conntrack=%u\n",
CTINFO2DIR(ctinfo), sch->type, oldsctpstate);
dir, sch->type, oldsctpstate);
write_unlock_bh(&sctp_lock);
return -1;
}
@ -381,8 +382,8 @@ static int sctp_packet(struct nf_conn *ct,
return -1;
}
pr_debug("Setting vtag %x for dir %d\n",
ih->init_tag, !CTINFO2DIR(ctinfo));
ct->proto.sctp.vtag[!CTINFO2DIR(ctinfo)] = ih->init_tag;
ih->init_tag, !dir);
ct->proto.sctp.vtag[!dir] = ih->init_tag;
}
ct->proto.sctp.state = newconntrack;
@ -394,7 +395,7 @@ static int sctp_packet(struct nf_conn *ct,
nf_ct_refresh_acct(ct, ctinfo, skb, *sctp_timeouts[newconntrack]);
if (oldsctpstate == SCTP_CONNTRACK_COOKIE_ECHOED &&
CTINFO2DIR(ctinfo) == IP_CT_DIR_REPLY &&
dir == IP_CT_DIR_REPLY &&
newconntrack == SCTP_CONNTRACK_ESTABLISHED) {
pr_debug("Setting assured bit\n");
set_bit(IPS_ASSURED_BIT, &ct->status);