diff options
Diffstat (limited to 'net/sctp/input.c')
-rw-r--r-- | net/sctp/input.c | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/net/sctp/input.c b/net/sctp/input.c index 5e085e041a6e..742be9171b7d 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -351,7 +351,6 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc, * */ void sctp_icmp_proto_unreachable(struct sock *sk, - struct sctp_endpoint *ep, struct sctp_association *asoc, struct sctp_transport *t) { @@ -367,7 +366,6 @@ void sctp_icmp_proto_unreachable(struct sock *sk, /* Common lookup code for icmp/icmpv6 error handler. */ struct sock *sctp_err_lookup(int family, struct sk_buff *skb, struct sctphdr *sctphdr, - struct sctp_endpoint **epp, struct sctp_association **app, struct sctp_transport **tpp) { @@ -375,11 +373,10 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb, union sctp_addr daddr; struct sctp_af *af; struct sock *sk = NULL; - struct sctp_endpoint *ep = NULL; struct sctp_association *asoc = NULL; struct sctp_transport *transport = NULL; - *app = NULL; *epp = NULL; *tpp = NULL; + *app = NULL; *tpp = NULL; af = sctp_get_af_specific(family); if (unlikely(!af)) { @@ -394,26 +391,15 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb, * packet. */ asoc = __sctp_lookup_association(&saddr, &daddr, &transport); - if (!asoc) { - /* If there is no matching association, see if it matches any - * endpoint. This may happen for an ICMP error generated in - * response to an INIT_ACK. - */ - ep = __sctp_rcv_lookup_endpoint(&daddr); - if (!ep) { - return NULL; - } - } + if (!asoc) + return NULL; - if (asoc) { - sk = asoc->base.sk; + sk = asoc->base.sk; - if (ntohl(sctphdr->vtag) != asoc->c.peer_vtag) { - ICMP_INC_STATS_BH(ICMP_MIB_INERRORS); - goto out; - } - } else - sk = ep->base.sk; + if (ntohl(sctphdr->vtag) != asoc->c.peer_vtag) { + ICMP_INC_STATS_BH(ICMP_MIB_INERRORS); + goto out; + } sctp_bh_lock_sock(sk); @@ -423,7 +409,6 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb, if (sock_owned_by_user(sk)) NET_INC_STATS_BH(LINUX_MIB_LOCKDROPPEDICMPS); - *epp = ep; *app = asoc; *tpp = transport; return sk; @@ -432,21 +417,16 @@ out: sock_put(sk); if (asoc) sctp_association_put(asoc); - if (ep) - sctp_endpoint_put(ep); return NULL; } /* Common cleanup code for icmp/icmpv6 error handler. */ -void sctp_err_finish(struct sock *sk, struct sctp_endpoint *ep, - struct sctp_association *asoc) +void sctp_err_finish(struct sock *sk, struct sctp_association *asoc) { sctp_bh_unlock_sock(sk); sock_put(sk); if (asoc) sctp_association_put(asoc); - if (ep) - sctp_endpoint_put(ep); } /* @@ -471,7 +451,6 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info) int type = skb->h.icmph->type; int code = skb->h.icmph->code; struct sock *sk; - struct sctp_endpoint *ep; struct sctp_association *asoc; struct sctp_transport *transport; struct inet_sock *inet; @@ -488,7 +467,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info) savesctp = skb->h.raw; skb->nh.iph = iph; skb->h.raw = (char *)sh; - sk = sctp_err_lookup(AF_INET, skb, sh, &ep, &asoc, &transport); + sk = sctp_err_lookup(AF_INET, skb, sh, &asoc, &transport); /* Put back, the original pointers. */ skb->nh.raw = saveip; skb->h.raw = savesctp; @@ -515,7 +494,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info) } else { if (ICMP_PROT_UNREACH == code) { - sctp_icmp_proto_unreachable(sk, ep, asoc, + sctp_icmp_proto_unreachable(sk, asoc, transport); goto out_unlock; } @@ -544,7 +523,7 @@ void sctp_v4_err(struct sk_buff *skb, __u32 info) } out_unlock: - sctp_err_finish(sk, ep, asoc); + sctp_err_finish(sk, asoc); } /* |