[SCTP]: Switch sctp_assoc_is_match to net-endian.

Along with it, statics in input.c that end up calling it
(__sctp_lookup_association, sctp_lookup_association,
__sctp_rcv_init_lookup, __sctp_rcv_lookup).  Callers
are adjusted.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 20 insertions, 14 deletions

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 3be8b6081a15..4bd916c808c1 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -927,19 +927,16 @@ struct sctp_transport *sctp_assoc_is_match(struct sctp_association *asoc,
                                            const union sctp_addr *paddr)
 {
         struct sctp_transport *transport;
-        union sctp_addr tmp, tmp2;
-        flip_to_n(&tmp, laddr);
-        flip_to_n(&tmp2, paddr);
 
         sctp_read_lock(&asoc->base.addr_lock);
 
-        if ((asoc->base.bind_addr.port == laddr->v4.sin_port) &&
-            (asoc->peer.port == paddr->v4.sin_port)) {
-                transport = sctp_assoc_lookup_paddr(asoc, &tmp2);
+        if ((htons(asoc->base.bind_addr.port) == laddr->v4.sin_port) &&
+            (htons(asoc->peer.port) == paddr->v4.sin_port)) {
+                transport = sctp_assoc_lookup_paddr(asoc, paddr);
                 if (!transport)
                         goto out;
 
-                if (sctp_bind_addr_match(&asoc->base.bind_addr, &tmp,
+                if (sctp_bind_addr_match(&asoc->base.bind_addr, laddr,
                                          sctp_sk(asoc->base.sk)))
                         goto out;
         }
diff --git a/net/sctp/input.c b/net/sctp/input.c
index 1bb3f264da1f..85b3441c4a23 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -127,7 +127,7 @@ int sctp_rcv(struct sk_buff *skb)
         struct sctphdr *sh;
         union sctp_addr src;
         union sctp_addr dest;
-        union sctp_addr tmp;
+        union sctp_addr tmp, tmp2;
         int family;
         struct sctp_af *af;
 
@@ -179,9 +179,10 @@ int sctp_rcv(struct sk_buff *skb)
             !af->addr_valid(&dest, NULL, skb))
                 goto discard_it;
 
-        asoc = __sctp_rcv_lookup(skb, &src, &dest, &transport);
-
         flip_to_n(&tmp, &dest);
+        flip_to_n(&tmp2, &src);
+
+        asoc = __sctp_rcv_lookup(skb, &tmp2, &tmp, &transport);
 
         if (!asoc)
                 ep = __sctp_rcv_lookup_endpoint(&tmp);
@@ -443,6 +444,7 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
         struct sock *sk = NULL;
         struct sctp_association *asoc;
         struct sctp_transport *transport = NULL;
+        union sctp_addr tmp, tmp2;
 
         *app = NULL; *tpp = NULL;
 
@@ -454,11 +456,13 @@ struct sock *sctp_err_lookup(int family, struct sk_buff *skb,
         /* Initialize local addresses for lookups. */
         af->from_skb(&saddr, skb, 1);
         af->from_skb(&daddr, skb, 0);
+        flip_to_n(&tmp, &saddr);
+        flip_to_n(&tmp2, &daddr);
 
         /* Look for an association that matches the incoming ICMP error
          * packet.
          */
-        asoc = __sctp_lookup_association(&saddr, &daddr, &transport);
+        asoc = __sctp_lookup_association(&tmp, &tmp2, &transport);
         if (!asoc)
                 return NULL;
 
@@ -833,7 +837,7 @@ static struct sctp_association *__sctp_lookup_association(
         /* Optimize here for direct hit, only listening connections can
          * have wildcards anyways.
          */
-        hash = sctp_assoc_hashfn(local->v4.sin_port, peer->v4.sin_port);
+        hash = sctp_assoc_hashfn(ntohs(local->v4.sin_port), ntohs(peer->v4.sin_port));
         head = &sctp_assoc_hashtable[hash];
         read_lock(&head->lock);
         for (epb = head->chain; epb; epb = epb->next) {
@@ -875,8 +879,11 @@ int sctp_has_association(const union sctp_addr *laddr,
 {
         struct sctp_association *asoc;
         struct sctp_transport *transport;
+        union sctp_addr tmp, tmp2;
+        flip_to_n(&tmp, laddr);
+        flip_to_n(&tmp2, paddr);
 
-        if ((asoc = sctp_lookup_association(laddr, paddr, &transport))) {
+        if ((asoc = sctp_lookup_association(&tmp, &tmp2, &transport))) {
                 sctp_association_put(asoc);
                 return 1;
         }
@@ -914,6 +921,7 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb,
         sctp_init_chunk_t *init;
         struct sctp_transport *transport;
         struct sctp_af *af;
+        union sctp_addr tmp2;
 
         ch = (sctp_chunkhdr_t *) skb->data;
 
@@ -961,8 +969,9 @@ static struct sctp_association *__sctp_rcv_init_lookup(struct sk_buff *skb,
                         continue;
 
                 af->from_addr_param(paddr, params.addr, ntohs(sh->source), 0);
+                flip_to_n(&tmp2, paddr);
 
-                asoc = __sctp_lookup_association(laddr, paddr, &transport);
+                asoc = __sctp_lookup_association(laddr, &tmp2, &transport);
                 if (asoc)
                         return asoc;
         }