diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c index e52b6b95b30..7baabc04534 100644 --- a/net/netfilter/nf_conntrack_proto_sctp.c +++ b/net/netfilter/nf_conntrack_proto_sctp.c @@ -231,9 +231,9 @@ static int do_basic_checks(struct nf_conn *ct, return count == 0; } -static int new_state(enum ip_conntrack_dir dir, - enum sctp_conntrack cur_state, - int chunk_type) +static int sctp_new_state(enum ip_conntrack_dir dir, + enum sctp_conntrack cur_state, + int chunk_type) { int i; @@ -299,7 +299,7 @@ static int sctp_packet(struct nf_conn *ct, int pf, unsigned int hooknum) { - enum sctp_conntrack newconntrack, oldsctpstate; + enum sctp_conntrack new_state, old_state; enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo); sctp_sctphdr_t _sctph, *sh; sctp_chunkhdr_t _sch, *sch; @@ -324,7 +324,7 @@ static int sctp_packet(struct nf_conn *ct, goto out; } - oldsctpstate = newconntrack = SCTP_CONNTRACK_MAX; + old_state = new_state = SCTP_CONNTRACK_MAX; for_each_sctp_chunk (skb, sch, _sch, offset, dataoff, count) { write_lock_bh(&sctp_lock); @@ -350,14 +350,14 @@ static int sctp_packet(struct nf_conn *ct, goto out_unlock; } - oldsctpstate = ct->proto.sctp.state; - newconntrack = new_state(dir, oldsctpstate, sch->type); + old_state = ct->proto.sctp.state; + new_state = sctp_new_state(dir, old_state, sch->type); /* Invalid */ - if (newconntrack == SCTP_CONNTRACK_MAX) { + if (new_state == SCTP_CONNTRACK_MAX) { pr_debug("nf_conntrack_sctp: Invalid dir=%i ctype=%u " "conntrack=%u\n", - dir, sch->type, oldsctpstate); + dir, sch->type, old_state); goto out_unlock; } @@ -375,17 +375,17 @@ static int sctp_packet(struct nf_conn *ct, ct->proto.sctp.vtag[!dir] = ih->init_tag; } - ct->proto.sctp.state = newconntrack; - if (oldsctpstate != newconntrack) + ct->proto.sctp.state = new_state; + if (old_state != new_state) nf_conntrack_event_cache(IPCT_PROTOINFO, skb); write_unlock_bh(&sctp_lock); } - nf_ct_refresh_acct(ct, ctinfo, skb, *sctp_timeouts[newconntrack]); + nf_ct_refresh_acct(ct, ctinfo, skb, *sctp_timeouts[new_state]); - if (oldsctpstate == SCTP_CONNTRACK_COOKIE_ECHOED && + if (old_state == SCTP_CONNTRACK_COOKIE_ECHOED && dir == IP_CT_DIR_REPLY && - newconntrack == SCTP_CONNTRACK_ESTABLISHED) { + new_state == SCTP_CONNTRACK_ESTABLISHED) { pr_debug("Setting assured bit\n"); set_bit(IPS_ASSURED_BIT, &ct->status); nf_conntrack_event_cache(IPCT_STATUS, skb); @@ -403,7 +403,7 @@ out: static int sctp_new(struct nf_conn *ct, const struct sk_buff *skb, unsigned int dataoff) { - enum sctp_conntrack newconntrack; + enum sctp_conntrack new_state; sctp_sctphdr_t _sctph, *sh; sctp_chunkhdr_t _sch, *sch; u_int32_t offset, count; @@ -422,15 +422,15 @@ static int sctp_new(struct nf_conn *ct, const struct sk_buff *skb, test_bit(SCTP_CID_COOKIE_ACK, map)) return 0; - newconntrack = SCTP_CONNTRACK_MAX; + new_state = SCTP_CONNTRACK_MAX; for_each_sctp_chunk (skb, sch, _sch, offset, dataoff, count) { /* Don't need lock here: this conntrack not in circulation yet */ - newconntrack = new_state(IP_CT_DIR_ORIGINAL, - SCTP_CONNTRACK_NONE, sch->type); + new_state = sctp_new_state(IP_CT_DIR_ORIGINAL, + SCTP_CONNTRACK_NONE, sch->type); /* Invalid: delete conntrack */ - if (newconntrack == SCTP_CONNTRACK_NONE || - newconntrack == SCTP_CONNTRACK_MAX) { + if (new_state == SCTP_CONNTRACK_NONE || + new_state == SCTP_CONNTRACK_MAX) { pr_debug("nf_conntrack_sctp: invalid new deleting.\n"); return 0; } @@ -463,7 +463,7 @@ static int sctp_new(struct nf_conn *ct, const struct sk_buff *skb, ct->proto.sctp.vtag[IP_CT_DIR_REPLY] = sh->vtag; } - ct->proto.sctp.state = newconntrack; + ct->proto.sctp.state = new_state; } return 1;