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-rw-r--r--include/net/sctp/structs.h2
-rw-r--r--net/sctp/associola.c4
-rw-r--r--net/sctp/sm_statefuns.c15
-rw-r--r--net/sctp/socket.c22
4 files changed, 23 insertions, 20 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 6e5f0e0c7967..cd2e18778f81 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1980,7 +1980,7 @@ void sctp_assoc_set_primary(struct sctp_association *,
1980void sctp_assoc_del_nonprimary_peers(struct sctp_association *, 1980void sctp_assoc_del_nonprimary_peers(struct sctp_association *,
1981 struct sctp_transport *); 1981 struct sctp_transport *);
1982int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *, 1982int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *,
1983 gfp_t); 1983 sctp_scope_t, gfp_t);
1984int sctp_assoc_set_bind_addr_from_cookie(struct sctp_association *, 1984int sctp_assoc_set_bind_addr_from_cookie(struct sctp_association *,
1985 struct sctp_cookie*, 1985 struct sctp_cookie*,
1986 gfp_t gfp); 1986 gfp_t gfp);
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)
1485 * local endpoint and the remote peer. 1485 * local endpoint and the remote peer.
1486 */ 1486 */
1487int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc, 1487int sctp_assoc_set_bind_addr_from_ep(struct sctp_association *asoc,
1488 gfp_t gfp) 1488 sctp_scope_t scope, gfp_t gfp)
1489{ 1489{
1490 sctp_scope_t scope;
1491 int flags; 1490 int flags;
1492 1491
1493 /* Use scoping rules to determine the subset of addresses from 1492 /* Use scoping rules to determine the subset of addresses from
1494 * the endpoint. 1493 * the endpoint.
1495 */ 1494 */
1496 scope = sctp_scope(&asoc->peer.active_path->ipaddr);
1497 flags = (PF_INET6 == asoc->base.sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0; 1495 flags = (PF_INET6 == asoc->base.sk->sk_family) ? SCTP_ADDR6_ALLOWED : 0;
1498 if (asoc->peer.ipv4_address) 1496 if (asoc->peer.ipv4_address)
1499 flags |= SCTP_ADDR4_PEERSUPP; 1497 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,
384 if (!new_asoc) 384 if (!new_asoc)
385 goto nomem; 385 goto nomem;
386 386
387 if (sctp_assoc_set_bind_addr_from_ep(new_asoc,
388 sctp_scope(sctp_source(chunk)),
389 GFP_ATOMIC) < 0)
390 goto nomem_init;
391
387 /* The call, sctp_process_init(), can fail on memory allocation. */ 392 /* The call, sctp_process_init(), can fail on memory allocation. */
388 if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type, 393 if (!sctp_process_init(new_asoc, chunk->chunk_hdr->type,
389 sctp_source(chunk), 394 sctp_source(chunk),
@@ -401,9 +406,6 @@ sctp_disposition_t sctp_sf_do_5_1B_init(const struct sctp_endpoint *ep,
401 len = ntohs(err_chunk->chunk_hdr->length) - 406 len = ntohs(err_chunk->chunk_hdr->length) -
402 sizeof(sctp_chunkhdr_t); 407 sizeof(sctp_chunkhdr_t);
403 408
404 if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0)
405 goto nomem_init;
406
407 repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len); 409 repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len);
408 if (!repl) 410 if (!repl)
409 goto nomem_init; 411 goto nomem_init;
@@ -1452,6 +1454,10 @@ static sctp_disposition_t sctp_sf_do_unexpected_init(
1452 if (!new_asoc) 1454 if (!new_asoc)
1453 goto nomem; 1455 goto nomem;
1454 1456
1457 if (sctp_assoc_set_bind_addr_from_ep(new_asoc,
1458 sctp_scope(sctp_source(chunk)), GFP_ATOMIC) < 0)
1459 goto nomem;
1460
1455 /* In the outbound INIT ACK the endpoint MUST copy its current 1461 /* In the outbound INIT ACK the endpoint MUST copy its current
1456 * Verification Tag and Peers Verification tag into a reserved 1462 * Verification Tag and Peers Verification tag into a reserved
1457 * place (local tie-tag and per tie-tag) within the state cookie. 1463 * 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(
1488 sizeof(sctp_chunkhdr_t); 1494 sizeof(sctp_chunkhdr_t);
1489 } 1495 }
1490 1496
1491 if (sctp_assoc_set_bind_addr_from_ep(new_asoc, GFP_ATOMIC) < 0)
1492 goto nomem;
1493
1494 repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len); 1497 repl = sctp_make_init_ack(new_asoc, chunk, GFP_ATOMIC, len);
1495 if (!repl) 1498 if (!repl)
1496 goto nomem; 1499 goto nomem;
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index c8d05758661d..bf705ba97231 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1080,6 +1080,13 @@ static int __sctp_connect(struct sock* sk,
1080 err = -ENOMEM; 1080 err = -ENOMEM;
1081 goto out_free; 1081 goto out_free;
1082 } 1082 }
1083
1084 err = sctp_assoc_set_bind_addr_from_ep(asoc, scope,
1085 GFP_KERNEL);
1086 if (err < 0) {
1087 goto out_free;
1088 }
1089
1083 } 1090 }
1084 1091
1085 /* Prime the peer's transport structures. */ 1092 /* Prime the peer's transport structures. */
@@ -1095,11 +1102,6 @@ static int __sctp_connect(struct sock* sk,
1095 walk_size += af->sockaddr_len; 1102 walk_size += af->sockaddr_len;
1096 } 1103 }
1097 1104
1098 err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL);
1099 if (err < 0) {
1100 goto out_free;
1101 }
1102
1103 /* In case the user of sctp_connectx() wants an association 1105 /* In case the user of sctp_connectx() wants an association
1104 * id back, assign one now. 1106 * id back, assign one now.
1105 */ 1107 */
@@ -1689,6 +1691,11 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
1689 goto out_unlock; 1691 goto out_unlock;
1690 } 1692 }
1691 asoc = new_asoc; 1693 asoc = new_asoc;
1694 err = sctp_assoc_set_bind_addr_from_ep(asoc, scope, GFP_KERNEL);
1695 if (err < 0) {
1696 err = -ENOMEM;
1697 goto out_free;
1698 }
1692 1699
1693 /* If the SCTP_INIT ancillary data is specified, set all 1700 /* If the SCTP_INIT ancillary data is specified, set all
1694 * the association init values accordingly. 1701 * the association init values accordingly.
@@ -1718,11 +1725,6 @@ SCTP_STATIC int sctp_sendmsg(struct kiocb *iocb, struct sock *sk,
1718 err = -ENOMEM; 1725 err = -ENOMEM;
1719 goto out_free; 1726 goto out_free;
1720 } 1727 }
1721 err = sctp_assoc_set_bind_addr_from_ep(asoc, GFP_KERNEL);
1722 if (err < 0) {
1723 err = -ENOMEM;
1724 goto out_free;
1725 }
1726 } 1728 }
1727 1729
1728 /* ASSERT: we have a valid association at this point. */ 1730 /* ASSERT: we have a valid association at this point. */