Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	drivers/net/can/Kconfig

4 files changed, 37 insertions, 25 deletions

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 8450960df24f..7eed77a39d0d 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1485,15 +1485,13 @@ void sctp_assoc_rwnd_decrease(struct sctp_association *asoc, unsigned len)
  * local endpoint and the remote peer.
  */
 int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
-                                     gfp_t gfp)
+                                     sctp_scope_t scope, gfp_t gfp)
 {
-        sctp_scope_t scope;
         int flags;
 
         /* Use scoping rules to determine the subset of addresses from
          * the endpoint.
          */
-        scope = sctp_scope(&asoc->peer.active_path->ipaddr);
         flags = (PF_INET6 == asoc->base.sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0;
         if (asoc->peer.ipv4_address)
                 flags |= SCTP_ADDR4_PEERSUPP;
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index c8fae1983dd1..d4df45022ffa 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -384,6 +384,11 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
         if (!new_asoc)
                 goto nomem;
 
+        if (sctp_assoc_set_bind_addr_from_ep(new_asoc,
+                                             sctp_scope(sctp_source(chunk)),
+                                             GFP_ATOMIC) < 0)
+                goto nomem_init;
+
         /* The call, sctp_process_init(), can fail on memory allocation.  */
         if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type,
                                sctp_source(chunk),
@@ -401,9 +406,6 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
                 len = ntohs(err_chunk->chunk_hdr->length) -
                         sizeof(sctp_chunkhdr_t);
 
-        if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0)
-                goto nomem_init;
-
         repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len);
         if (!repl)
                 goto nomem_init;
@@ -1452,6 +1454,10 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
         if (!new_asoc)
                 goto nomem;
 
+        if (sctp_assoc_set_bind_addr_from_ep(new_asoc,
+                                sctp_scope(sctp_source(chunk)), GFP_ATOMIC) < 0)
+                goto nomem;
+
         /* In the outbound INIT ACK the endpoint MUST copy its current
          * Verification Tag and Peers Verification tag into a reserved
          * place (local tie-tag and per tie-tag) within the state cookie.
@@ -1488,9 +1494,6 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
                         sizeof(sctp_chunkhdr_t);
         }
 
-        if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0)
-                goto nomem;
-
         repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len);
         if (!repl)
                 goto nomem;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 4085db99033d..66b1f02b17ba 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1080,6 +1080,13 @@ static int __sctp_connect(struct sock* sk,
                                 err = -ENOMEM;
                                 goto out_free;
                         }
+
+                        err = sctp_assoc_set_bind_addr_from_ep(asoc, scope,
+                                                              GFP_KERNEL);
+                        if (err < 0) {
+                                goto out_free;
+                        }
+
                 }
 
                 /* Prime the peer's transport structures.  */
@@ -1095,11 +1102,6 @@ static int __sctp_connect(struct sock* sk,
                 walk_size += af->sockaddr_len;
         }
 
-        err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL);
-        if (err < 0) {
-                goto out_free;
-        }
-
         /* In case the user of sctp_connectx() wants an association
          * id back, assign one now.
          */
@@ -1274,22 +1276,30 @@ SCTP_STATIC int sctp_setsockopt_connectx(struct sock* sk,
 }
 
 /*
- * New (hopefully final) interface for the API.  The option buffer is used
- * both for the returned association id and the addresses.
+ * New (hopefully final) interface for the API.
+ * We use the sctp_getaddrs_old structure so that use-space library
+ * can avoid any unnecessary allocations.   The only defferent part
+ * is that we store the actual length of the address buffer into the
+ * addrs_num structure member.  That way we can re-use the existing
+ * code.
  */
 SCTP_STATIC int sctp_getsockopt_connectx3(struct sock* sk, int len,
                                         char __user *optval,
                                         int __user *optlen)
 {
+        struct sctp_getaddrs_old param;
         sctp_assoc_t assoc_id = 0;
         int err = 0;
 
-        if (len < sizeof(assoc_id))
+        if (len < sizeof(param))
                 return -EINVAL;
 
+        if (copy_from_user(&param, optval, sizeof(param)))
+                return -EFAULT;
+
         err = __sctp_setsockopt_connectx(sk,
-                        (struct sockaddr __user *)(optval + sizeof(assoc_id)),
-                        len - sizeof(assoc_id), &assoc_id);
+                        (struct sockaddr __user *)param.addrs,
+                        param.addr_num, &assoc_id);
 
         if (err == 0 || err == -EINPROGRESS) {
                 if (copy_to_user(optval, &assoc_id, sizeof(assoc_id)))
@@ -1689,6 +1699,11 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
                         goto out_unlock;
                 }
                 asoc = new_asoc;
+                err = sctp_assoc_set_bind_addr_from_ep(asoc, scope, GFP_KERNEL);
+                if (err < 0) {
+                        err = -ENOMEM;
+                        goto out_free;
+                }
 
                 /* If the SCTP_INIT ancillary data is specified, set all
                  * the association init values accordingly.
@@ -1718,11 +1733,6 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
                         err = -ENOMEM;
                         goto out_free;
                 }
-                err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL);
-                if (err < 0) {
-                        err = -ENOMEM;
-                        goto out_free;
-                }
         }
 
         /* ASSERT: we have a valid association at this point.  */
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index c256e4839316..3b141bb32faf 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -308,7 +308,8 @@ void sctp_transport_route(struct sctp_transport *transport,
                 /* Initialize sk->sk_rcv_saddr, if the transport is the
                  * association's active path for getsockname().
                  */
-                if (asoc && (transport == asoc->peer.active_path))
+                if (asoc && (!asoc->peer.primary_path ||
+                                (transport == asoc->peer.active_path)))
                         opt->pf->af->to_sk_saddr(&transport->saddr,
                                                  asoc->base.sk);
         } else