diff options
Diffstat (limited to 'net/sctp')
| -rw-r--r-- | net/sctp/associola.c | 13 | ||||
| -rw-r--r-- | net/sctp/protocol.c | 15 | ||||
| -rw-r--r-- | net/sctp/sm_statefuns.c | 9 | ||||
| -rw-r--r-- | net/sctp/socket.c | 4 | ||||
| -rw-r--r-- | net/sctp/ulpevent.c | 5 |
5 files changed, 34 insertions, 12 deletions
diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 532634861db..024c3ebd966 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -474,6 +474,15 @@ static void sctp_association_destroy(struct sctp_association *asoc) void sctp_assoc_set_primary(struct sctp_association *asoc, struct sctp_transport *transport) { + int changeover = 0; + + /* it's a changeover only if we already have a primary path + * that we are changing + */ + if (asoc->peer.primary_path != NULL && + asoc->peer.primary_path != transport) + changeover = 1 ; + asoc->peer.primary_path = transport; /* Set a default msg_name for events. */ @@ -499,12 +508,12 @@ void sctp_assoc_set_primary(struct sctp_association *asoc, * double switch to the same destination address. */ if (transport->cacc.changeover_active) - transport->cacc.cycling_changeover = 1; + transport->cacc.cycling_changeover = changeover; /* 2) The sender MUST set CHANGEOVER_ACTIVE to indicate that * a changeover has occurred. */ - transport->cacc.changeover_active = 1; + transport->cacc.changeover_active = changeover; /* 3) The sender MUST store the next TSN to be sent in * next_tsn_at_change. diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index b435a193c5d..9258dfe784a 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -108,14 +108,23 @@ static __init int sctp_proc_init(void) } if (sctp_snmp_proc_init()) - goto out_nomem; + goto out_snmp_proc_init; if (sctp_eps_proc_init()) - goto out_nomem; + goto out_eps_proc_init; if (sctp_assocs_proc_init()) - goto out_nomem; + goto out_assocs_proc_init; return 0; +out_assocs_proc_init: + sctp_eps_proc_exit(); +out_eps_proc_init: + sctp_snmp_proc_exit(); +out_snmp_proc_init: + if (proc_net_sctp) { + proc_net_sctp = NULL; + remove_proc_entry("sctp", init_net.proc_net); + } out_nomem: return -ENOMEM; } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 0c9d5a6950f..fcdb45d1071 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -5899,12 +5899,6 @@ static int sctp_eat_data(const struct sctp_association *asoc, return SCTP_IERROR_NO_DATA; } - /* If definately accepting the DATA chunk, record its TSN, otherwise - * wait for renege processing. - */ - if (SCTP_CMD_CHUNK_ULP == deliver) - sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_TSN, SCTP_U32(tsn)); - chunk->data_accepted = 1; /* Note: Some chunks may get overcounted (if we drop) or overcounted @@ -5924,6 +5918,9 @@ static int sctp_eat_data(const struct sctp_association *asoc, * and discard the DATA chunk. */ if (ntohs(data_hdr->stream) >= asoc->c.sinit_max_instreams) { + /* Mark tsn as received even though we drop it */ + sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_TSN, SCTP_U32(tsn)); + err = sctp_make_op_error(asoc, chunk, SCTP_ERROR_INV_STRM, &data_hdr->stream, sizeof(data_hdr->stream)); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index e7e3baf7009..0dbcde6758e 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -4401,7 +4401,9 @@ static int sctp_getsockopt_local_addrs_old(struct sock *sk, int len, if (copy_from_user(&getaddrs, optval, len)) return -EFAULT; - if (getaddrs.addr_num <= 0) return -EINVAL; + if (getaddrs.addr_num <= 0 || + getaddrs.addr_num >= (INT_MAX / sizeof(union sctp_addr))) + return -EINVAL; /* * For UDP-style sockets, id specifies the association to query. * If the id field is set to the value '0' then the locally bound diff --git a/net/sctp/ulpevent.c b/net/sctp/ulpevent.c index ce6cda6b699..a1f654aea26 100644 --- a/net/sctp/ulpevent.c +++ b/net/sctp/ulpevent.c @@ -710,6 +710,11 @@ struct sctp_ulpevent *sctp_ulpevent_make_rcvmsg(struct sctp_association *asoc, if (!skb) goto fail; + /* Now that all memory allocations for this chunk succeeded, we + * can mark it as received so the tsn_map is updated correctly. + */ + sctp_tsnmap_mark(&asoc->peer.tsn_map, ntohl(chunk->subh.data_hdr->tsn)); + /* First calculate the padding, so we don't inadvertently * pass up the wrong length to the user. * |