diff options
author | Jens Axboe <jens.axboe@oracle.com> | 2010-04-29 09:36:24 +0200 |
---|---|---|
committer | Jens Axboe <jens.axboe@oracle.com> | 2010-04-29 09:36:24 +0200 |
commit | 7407cf355fdf5500430be966dbbde84a27293bad (patch) | |
tree | 922861288ff38558ed721a79653f52b17b13bb95 /net | |
parent | 6a47dc1418682c83d603b491df1d048f73aa973e (diff) | |
parent | 79dba2eaa771c3173957eccfd288e0e0d12e4d3f (diff) | |
download | kernel_samsung_smdk4412-7407cf355fdf5500430be966dbbde84a27293bad.zip kernel_samsung_smdk4412-7407cf355fdf5500430be966dbbde84a27293bad.tar.gz kernel_samsung_smdk4412-7407cf355fdf5500430be966dbbde84a27293bad.tar.bz2 |
Merge branch 'master' into for-2.6.35
Conflicts:
fs/block_dev.c
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'net')
-rw-r--r-- | net/bluetooth/l2cap.c | 5 | ||||
-rw-r--r-- | net/bridge/br_multicast.c | 10 | ||||
-rw-r--r-- | net/can/raw.c | 2 | ||||
-rw-r--r-- | net/core/dev.c | 8 | ||||
-rw-r--r-- | net/core/rtnetlink.c | 5 | ||||
-rw-r--r-- | net/ieee802154/af_ieee802154.c | 3 | ||||
-rw-r--r-- | net/ipv4/fib_trie.c | 4 | ||||
-rw-r--r-- | net/ipv4/ip_output.c | 2 | ||||
-rw-r--r-- | net/ipv4/udp.c | 4 | ||||
-rw-r--r-- | net/ipv6/ip6_output.c | 4 | ||||
-rw-r--r-- | net/ipv6/route.c | 2 | ||||
-rw-r--r-- | net/ipv6/tcp_ipv6.c | 2 | ||||
-rw-r--r-- | net/ipv6/udp.c | 4 | ||||
-rw-r--r-- | net/ipv6/xfrm6_policy.c | 2 | ||||
-rw-r--r-- | net/mac80211/agg-tx.c | 1 | ||||
-rw-r--r-- | net/mac80211/main.c | 4 | ||||
-rw-r--r-- | net/mac80211/mesh.c | 3 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 2 | ||||
-rw-r--r-- | net/mac80211/rx.c | 5 | ||||
-rw-r--r-- | net/mac80211/sta_info.c | 20 | ||||
-rw-r--r-- | net/packet/af_packet.c | 2 | ||||
-rw-r--r-- | net/rds/rdma_transport.c | 2 | ||||
-rw-r--r-- | net/sctp/associola.c | 6 | ||||
-rw-r--r-- | net/sctp/endpointola.c | 1 | ||||
-rw-r--r-- | net/sctp/sm_make_chunk.c | 32 | ||||
-rw-r--r-- | net/sctp/sm_sideeffect.c | 26 | ||||
-rw-r--r-- | net/sctp/sm_statefuns.c | 8 | ||||
-rw-r--r-- | net/sctp/socket.c | 14 | ||||
-rw-r--r-- | net/x25/af_x25.c | 68 | ||||
-rw-r--r-- | net/x25/x25_facilities.c | 27 | ||||
-rw-r--r-- | net/x25/x25_in.c | 15 |
31 files changed, 218 insertions, 75 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 99d68c3..9753b69 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -1626,7 +1626,10 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms /* Connectionless channel */ if (sk->sk_type == SOCK_DGRAM) { skb = l2cap_create_connless_pdu(sk, msg, len); - err = l2cap_do_send(sk, skb); + if (IS_ERR(skb)) + err = PTR_ERR(skb); + else + err = l2cap_do_send(sk, skb); goto done; } diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index 6980625..eaa0e1b 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -723,11 +723,11 @@ static int br_multicast_igmp3_report(struct net_bridge *br, if (!pskb_may_pull(skb, len)) return -EINVAL; - grec = (void *)(skb->data + len); + grec = (void *)(skb->data + len - sizeof(*grec)); group = grec->grec_mca; type = grec->grec_type; - len += grec->grec_nsrcs * 4; + len += ntohs(grec->grec_nsrcs) * 4; if (!pskb_may_pull(skb, len)) return -EINVAL; @@ -957,9 +957,6 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br, unsigned offset; int err; - BR_INPUT_SKB_CB(skb)->igmp = 0; - BR_INPUT_SKB_CB(skb)->mrouters_only = 0; - /* We treat OOM as packet loss for now. */ if (!pskb_may_pull(skb, sizeof(*iph))) return -EINVAL; @@ -1049,6 +1046,9 @@ err_out: int br_multicast_rcv(struct net_bridge *br, struct net_bridge_port *port, struct sk_buff *skb) { + BR_INPUT_SKB_CB(skb)->igmp = 0; + BR_INPUT_SKB_CB(skb)->mrouters_only = 0; + if (br->multicast_disabled) return 0; diff --git a/net/can/raw.c b/net/can/raw.c index 3a7dffb..da99cf1 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -445,7 +445,7 @@ static int raw_setsockopt(struct socket *sock, int level, int optname, return -EFAULT; } } else if (count == 1) { - if (copy_from_user(&sfilter, optval, optlen)) + if (copy_from_user(&sfilter, optval, sizeof(sfilter))) return -EFAULT; } diff --git a/net/core/dev.c b/net/core/dev.c index 1c8a0ce..f769098 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1989,8 +1989,12 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev, if (dev->real_num_tx_queues > 1) queue_index = skb_tx_hash(dev, skb); - if (sk && sk->sk_dst_cache) - sk_tx_queue_set(sk, queue_index); + if (sk) { + struct dst_entry *dst = rcu_dereference_bh(sk->sk_dst_cache); + + if (dst && skb_dst(skb) == dst) + sk_tx_queue_set(sk, queue_index); + } } } diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 4568120..fe776c9 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -1270,10 +1270,11 @@ replay: err = ops->newlink(net, dev, tb, data); else err = register_netdevice(dev); - if (err < 0 && !IS_ERR(dev)) { + + if (err < 0 && !IS_ERR(dev)) free_netdev(dev); + if (err < 0) goto out; - } err = rtnl_configure_link(dev, ifm); if (err < 0) diff --git a/net/ieee802154/af_ieee802154.c b/net/ieee802154/af_ieee802154.c index c7da600..93c91b6 100644 --- a/net/ieee802154/af_ieee802154.c +++ b/net/ieee802154/af_ieee802154.c @@ -151,6 +151,9 @@ static int ieee802154_dev_ioctl(struct sock *sk, struct ifreq __user *arg, dev_load(sock_net(sk), ifr.ifr_name); dev = dev_get_by_name(sock_net(sk), ifr.ifr_name); + if (!dev) + return -ENODEV; + if (dev->type == ARPHRD_IEEE802154 && dev->netdev_ops->ndo_do_ioctl) ret = dev->netdev_ops->ndo_do_ioctl(dev, &ifr, cmd); diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c index 59a8387..c98f115 100644 --- a/net/ipv4/fib_trie.c +++ b/net/ipv4/fib_trie.c @@ -209,7 +209,9 @@ static inline struct node *tnode_get_child_rcu(struct tnode *tn, unsigned int i) { struct node *ret = tnode_get_child(tn, i); - return rcu_dereference(ret); + return rcu_dereference_check(ret, + rcu_read_lock_held() || + lockdep_rtnl_is_held()); } static inline int tnode_child_length(const struct tnode *tn) diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index c65f18e..d1bcc9f 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -120,7 +120,7 @@ static int ip_dev_loopback_xmit(struct sk_buff *newskb) newskb->pkt_type = PACKET_LOOPBACK; newskb->ip_summed = CHECKSUM_UNNECESSARY; WARN_ON(!skb_dst(newskb)); - netif_rx(newskb); + netif_rx_ni(newskb); return 0; } diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 954bbfb..8fef859 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -472,8 +472,8 @@ static struct sock *__udp4_lib_lookup(struct net *net, __be32 saddr, if (hslot->count < hslot2->count) goto begin; - result = udp4_lib_lookup2(net, INADDR_ANY, sport, - daddr, hnum, dif, + result = udp4_lib_lookup2(net, saddr, sport, + INADDR_ANY, hnum, dif, hslot2, slot2); } rcu_read_unlock(); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 16c4391..75d5ef8 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -108,7 +108,7 @@ static int ip6_dev_loopback_xmit(struct sk_buff *newskb) newskb->ip_summed = CHECKSUM_UNNECESSARY; WARN_ON(!skb_dst(newskb)); - netif_rx(newskb); + netif_rx_ni(newskb); return 0; } @@ -629,7 +629,7 @@ static int ip6_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *)) /* We must not fragment if the socket is set to force MTU discovery * or if the skb it not generated by a local socket. */ - if (!skb->local_df) { + if (!skb->local_df && skb->len > mtu) { skb->dev = skb_dst(skb)->dev; icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu); IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), diff --git a/net/ipv6/route.c b/net/ipv6/route.c index c2438e8..05ebd78 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -815,7 +815,7 @@ struct dst_entry * ip6_route_output(struct net *net, struct sock *sk, { int flags = 0; - if (rt6_need_strict(&fl->fl6_dst)) + if (fl->oif || rt6_need_strict(&fl->fl6_dst)) flags |= RT6_LOOKUP_F_IFACE; if (!ipv6_addr_any(&fl->fl6_src)) diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index c92ebe8..075f540 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -1015,7 +1015,7 @@ static void tcp_v6_send_response(struct sk_buff *skb, u32 seq, u32 ack, u32 win, skb_reserve(buff, MAX_HEADER + sizeof(struct ipv6hdr) + tot_len); t1 = (struct tcphdr *) skb_push(buff, tot_len); - skb_reset_transport_header(skb); + skb_reset_transport_header(buff); /* Swap the send and the receive. */ memset(t1, 0, sizeof(*t1)); diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index c177aea..9082485 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -259,8 +259,8 @@ static struct sock *__udp6_lib_lookup(struct net *net, if (hslot->count < hslot2->count) goto begin; - result = udp6_lib_lookup2(net, &in6addr_any, sport, - daddr, hnum, dif, + result = udp6_lib_lookup2(net, saddr, sport, + &in6addr_any, hnum, dif, hslot2, slot2); } rcu_read_unlock(); diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index ae18165..00bf7c9 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -124,7 +124,7 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev, xdst->u.dst.dev = dev; dev_hold(dev); - xdst->u.rt6.rt6i_idev = in6_dev_get(rt->u.dst.dev); + xdst->u.rt6.rt6i_idev = in6_dev_get(dev); if (!xdst->u.rt6.rt6i_idev) return -ENODEV; diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 96d2534..87782a4 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -184,7 +184,6 @@ static void sta_addba_resp_timer_expired(unsigned long data) HT_AGG_STATE_REQ_STOP_BA_MSK)) != HT_ADDBA_REQUESTED_MSK) { spin_unlock_bh(&sta->lock); - *state = HT_AGG_STATE_IDLE; #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "timer expired on tid %d but we are not " "(or no longer) expecting addBA response there", diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 06c33b6..b887e48 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -225,11 +225,11 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata, switch (sdata->vif.type) { case NL80211_IFTYPE_AP: sdata->vif.bss_conf.enable_beacon = - !!rcu_dereference(sdata->u.ap.beacon); + !!sdata->u.ap.beacon; break; case NL80211_IFTYPE_ADHOC: sdata->vif.bss_conf.enable_beacon = - !!rcu_dereference(sdata->u.ibss.presp); + !!sdata->u.ibss.presp; break; case NL80211_IFTYPE_MESH_POINT: sdata->vif.bss_conf.enable_beacon = true; diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 58e3e3a..859ee5f 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -750,9 +750,6 @@ ieee80211_mesh_rx_mgmt(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) switch (fc & IEEE80211_FCTL_STYPE) { case IEEE80211_STYPE_ACTION: - if (skb->len < IEEE80211_MIN_ACTION_SIZE) - return RX_DROP_MONITOR; - /* fall through */ case IEEE80211_STYPE_PROBE_RESP: case IEEE80211_STYPE_BEACON: skb_queue_tail(&ifmsh->skb_queue, skb); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index c8cd169..4aefa6d 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -168,6 +168,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata, ht_changed = conf_is_ht(&local->hw.conf) != enable_ht || channel_type != local->hw.conf.channel_type; + if (local->tmp_channel) + local->tmp_channel_type = channel_type; local->oper_channel_type = channel_type; if (ht_changed) { diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index f0accf6..04ea07f 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1974,6 +1974,11 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) goto handled; } break; + case MESH_PLINK_CATEGORY: + case MESH_PATH_SEL_CATEGORY: + if (ieee80211_vif_is_mesh(&sdata->vif)) + return ieee80211_mesh_rx_mgmt(sdata, rx->skb); + break; } /* diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 56422d8..fb12cec 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -93,12 +93,18 @@ struct sta_info *sta_info_get(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct sta_info *sta; - sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]); + sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)], + rcu_read_lock_held() || + lockdep_is_held(&local->sta_lock) || + lockdep_is_held(&local->sta_mtx)); while (sta) { if (sta->sdata == sdata && memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) break; - sta = rcu_dereference(sta->hnext); + sta = rcu_dereference_check(sta->hnext, + rcu_read_lock_held() || + lockdep_is_held(&local->sta_lock) || + lockdep_is_held(&local->sta_mtx)); } return sta; } @@ -113,13 +119,19 @@ struct sta_info *sta_info_get_bss(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct sta_info *sta; - sta = rcu_dereference(local->sta_hash[STA_HASH(addr)]); + sta = rcu_dereference_check(local->sta_hash[STA_HASH(addr)], + rcu_read_lock_held() || + lockdep_is_held(&local->sta_lock) || + lockdep_is_held(&local->sta_mtx)); while (sta) { if ((sta->sdata == sdata || sta->sdata->bss == sdata->bss) && memcmp(sta->sta.addr, addr, ETH_ALEN) == 0) break; - sta = rcu_dereference(sta->hnext); + sta = rcu_dereference_check(sta->hnext, + rcu_read_lock_held() || + lockdep_is_held(&local->sta_lock) || + lockdep_is_held(&local->sta_mtx)); } return sta; } diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index cc90363..243946d 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -2169,8 +2169,6 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd, case SIOCGIFDSTADDR: case SIOCSIFDSTADDR: case SIOCSIFFLAGS: - if (!net_eq(sock_net(sk), &init_net)) - return -ENOIOCTLCMD; return inet_dgram_ops.ioctl(sock, cmd, arg); #endif diff --git a/net/rds/rdma_transport.c b/net/rds/rdma_transport.c index 9ece910..7b15508 100644 --- a/net/rds/rdma_transport.c +++ b/net/rds/rdma_transport.c @@ -134,7 +134,7 @@ static int __init rds_rdma_listen_init(void) ret = PTR_ERR(cm_id); printk(KERN_ERR "RDS/RDMA: failed to setup listener, " "rdma_create_id() returned %d\n", ret); - goto out; + return ret; } sin.sin_family = AF_INET, diff --git a/net/sctp/associola.c b/net/sctp/associola.c index df5abbf..99c93ee 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -1194,8 +1194,10 @@ void sctp_assoc_update(struct sctp_association *asoc, /* Remove any peer addresses not present in the new association. */ list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) { trans = list_entry(pos, struct sctp_transport, transports); - if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr)) - sctp_assoc_del_peer(asoc, &trans->ipaddr); + if (!sctp_assoc_lookup_paddr(new, &trans->ipaddr)) { + sctp_assoc_rm_peer(asoc, trans); + continue; + } if (asoc->state >= SCTP_STATE_ESTABLISHED) sctp_transport_reset(trans); diff --git a/net/sctp/endpointola.c b/net/sctp/endpointola.c index 905fda5..7ec09ba 100644 --- a/net/sctp/endpointola.c +++ b/net/sctp/endpointola.c @@ -144,6 +144,7 @@ static struct sctp_endpoint *sctp_endpoint_init(struct sctp_endpoint *ep, /* Use SCTP specific send buffer space queues. */ ep->sndbuf_policy = sctp_sndbuf_policy; + sk->sk_data_ready = sctp_data_ready; sk->sk_write_space = sctp_write_space; sock_set_flag(sk, SOCK_USE_WRITE_QUEUE); diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 17cb400e..0fd5b4c 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -208,7 +208,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, sp = sctp_sk(asoc->base.sk); num_types = sp->pf->supported_addrs(sp, types); - chunksize = sizeof(init) + addrs_len + SCTP_SAT_LEN(num_types); + chunksize = sizeof(init) + addrs_len; + chunksize += WORD_ROUND(SCTP_SAT_LEN(num_types)); chunksize += sizeof(ecap_param); if (sctp_prsctp_enable) @@ -238,14 +239,14 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, /* Add HMACS parameter length if any were defined */ auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs; if (auth_hmacs->length) - chunksize += ntohs(auth_hmacs->length); + chunksize += WORD_ROUND(ntohs(auth_hmacs->length)); else auth_hmacs = NULL; /* Add CHUNKS parameter length */ auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks; if (auth_chunks->length) - chunksize += ntohs(auth_chunks->length); + chunksize += WORD_ROUND(ntohs(auth_chunks->length)); else auth_chunks = NULL; @@ -255,7 +256,8 @@ struct sctp_chunk *sctp_make_init(const struct sctp_association *asoc, /* If we have any extensions to report, account for that */ if (num_ext) - chunksize += sizeof(sctp_supported_ext_param_t) + num_ext; + chunksize += WORD_ROUND(sizeof(sctp_supported_ext_param_t) + + num_ext); /* RFC 2960 3.3.2 Initiation (INIT) (1) * @@ -397,13 +399,13 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc, auth_hmacs = (sctp_paramhdr_t *)asoc->c.auth_hmacs; if (auth_hmacs->length) - chunksize += ntohs(auth_hmacs->length); + chunksize += WORD_ROUND(ntohs(auth_hmacs->length)); else auth_hmacs = NULL; auth_chunks = (sctp_paramhdr_t *)asoc->c.auth_chunks; if (auth_chunks->length) - chunksize += ntohs(auth_chunks->length); + chunksize += WORD_ROUND(ntohs(auth_chunks->length)); else auth_chunks = NULL; @@ -412,7 +414,8 @@ struct sctp_chunk *sctp_make_init_ack(const struct sctp_association *asoc, } if (num_ext) - chunksize += sizeof(sctp_supported_ext_param_t) + num_ext; + chunksize += WORD_ROUND(sizeof(sctp_supported_ext_param_t) + + num_ext); /* Now allocate and fill out the chunk. */ retval = sctp_make_chunk(asoc, SCTP_CID_INIT_ACK, 0, chunksize); @@ -3315,21 +3318,6 @@ int sctp_process_asconf_ack(struct sctp_association *asoc, sctp_chunk_free(asconf); asoc->addip_last_asconf = NULL; - /* Send the next asconf chunk from the addip chunk queue. */ - if (!list_empty(&asoc->addip_chunk_list)) { - struct list_head *entry = asoc->addip_chunk_list.next; - asconf = list_entry(entry, struct sctp_chunk, list); - - list_del_init(entry); - - /* Hold the chunk until an ASCONF_ACK is received. */ - sctp_chunk_hold(asconf); - if (sctp_primitive_ASCONF(asoc, asconf)) - sctp_chunk_free(asconf); - else - asoc->addip_last_asconf = asconf; - } - return retval; } diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 4c5bed9..d5ae450 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -962,6 +962,29 @@ static int sctp_cmd_send_msg(struct sctp_association *asoc, } +/* Sent the next ASCONF packet currently stored in the association. + * This happens after the ASCONF_ACK was succeffully processed. + */ +static void sctp_cmd_send_asconf(struct sctp_association *asoc) +{ + /* Send the next asconf chunk from the addip chunk + * queue. + */ + if (!list_empty(&asoc->addip_chunk_list)) { + struct list_head *entry = asoc->addip_chunk_list.next; + struct sctp_chunk *asconf = list_entry(entry, + struct sctp_chunk, list); + list_del_init(entry); + + /* Hold the chunk until an ASCONF_ACK is received. */ + sctp_chunk_hold(asconf); + if (sctp_primitive_ASCONF(asoc, asconf)) + sctp_chunk_free(asconf); + else + asoc->addip_last_asconf = asconf; + } +} + /* These three macros allow us to pull the debugging code out of the * main flow of sctp_do_sm() to keep attention focused on the real @@ -1617,6 +1640,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, } error = sctp_cmd_send_msg(asoc, cmd->obj.msg); break; + case SCTP_CMD_SEND_NEXT_ASCONF: + sctp_cmd_send_asconf(asoc); + break; default: printk(KERN_WARNING "Impossible command: %u, %p\n", cmd->verb, cmd->obj.ptr); diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index abf601a..24b2cd5 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -3676,8 +3676,14 @@ sctp_disposition_t sctp_sf_do_asconf_ack(const struct sctp_endpoint *ep, SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO)); if (!sctp_process_asconf_ack((struct sctp_association *)asoc, - asconf_ack)) + asconf_ack)) { + /* Successfully processed ASCONF_ACK. We can + * release the next asconf if we have one. + */ + sctp_add_cmd_sf(commands, SCTP_CMD_SEND_NEXT_ASCONF, + SCTP_NULL()); return SCTP_DISPOSITION_CONSUME; + } abort = sctp_make_abort(asoc, asconf_ack, sizeof(sctp_errhdr_t)); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 007e8ba..44a1ab0 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -3719,12 +3719,12 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk) sp->hmac = NULL; SCTP_DBG_OBJCNT_INC(sock); - percpu_counter_inc(&sctp_sockets_allocated); /* Set socket backlog limit. */ sk->sk_backlog.limit = sysctl_sctp_rmem[1]; local_bh_disable(); + percpu_counter_inc(&sctp_sockets_allocated); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); local_bh_enable(); @@ -3741,8 +3741,8 @@ SCTP_STATIC void sctp_destroy_sock(struct sock *sk) /* Release our hold on the endpoint. */ ep = sctp_sk(sk)->ep; sctp_endpoint_free(ep); - percpu_counter_dec(&sctp_sockets_allocated); local_bh_disable(); + percpu_counter_dec(&sctp_sockets_allocated); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); local_bh_enable(); } @@ -6189,6 +6189,16 @@ do_nonblock: goto out; } +void sctp_data_ready(struct sock *sk, int len) +{ + read_lock_bh(&sk->sk_callback_lock); + if (sk_has_sleeper(sk)) + wake_up_interruptible_sync_poll(sk->sk_sleep, POLLIN | + POLLRDNORM | POLLRDBAND); + sk_wake_async(sk, SOCK_WAKE_WAITD, POLL_IN); + read_unlock_bh(&sk->sk_callback_lock); +} + /* If socket sndbuf has changed, wake up all per association waiters. */ void sctp_write_space(struct sock *sk) { diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index e56f711..36e84e1 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -83,6 +83,41 @@ struct compat_x25_subscrip_struct { }; #endif + +int x25_parse_address_block(struct sk_buff *skb, + struct x25_address *called_addr, + struct x25_address *calling_addr) +{ + unsigned char len; + int needed; + int rc; + + if (skb->len < 1) { + /* packet has no address block */ + rc = 0; + goto empty; + } + + len = *skb->data; + needed = 1 + (len >> 4) + (len & 0x0f); + + if (skb->len < needed) { + /* packet is too short to hold the addresses it claims + to hold */ + rc = -1; + goto empty; + } + + return x25_addr_ntoa(skb->data, called_addr, calling_addr); + +empty: + *called_addr->x25_addr = 0; + *calling_addr->x25_addr = 0; + + return rc; +} + + int x25_addr_ntoa(unsigned char *p, struct x25_address *called_addr, struct x25_address *calling_addr) { @@ -367,6 +402,7 @@ static void __x25_destroy_socket(struct sock *sk) /* * Queue the unaccepted socket for death */ + skb->sk->sk_state = TCP_LISTEN; sock_set_flag(skb->sk, SOCK_DEAD); x25_start_heartbeat(skb->sk); x25_sk(skb->sk)->state = X25_STATE_0; @@ -554,7 +590,8 @@ static int x25_create(struct net *net, struct socket *sock, int protocol, x25->facilities.winsize_out = X25_DEFAULT_WINDOW_SIZE; x25->facilities.pacsize_in = X25_DEFAULT_PACKET_SIZE; x25->facilities.pacsize_out = X25_DEFAULT_PACKET_SIZE; - x25->facilities.throughput = X25_DEFAULT_THROUGHPUT; + x25->facilities.throughput = 0; /* by default don't negotiate + throughput */ x25->facilities.reverse = X25_DEFAULT_REVERSE; x25->dte_facilities.calling_len = 0; x25->dte_facilities.called_len = 0; @@ -922,16 +959,26 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb, /* * Extract the X.25 addresses and convert them to ASCII strings, * and remove them. + * + * Address block is mandatory in call request packets */ - addr_len = x25_addr_ntoa(skb->data, &source_addr, &dest_addr); + addr_len = x25_parse_address_block(skb, &source_addr, &dest_addr); + if (addr_len <= 0) + goto out_clear_request; skb_pull(skb, addr_len); /* * Get the length of the facilities, skip past them for the moment * get the call user data because this is needed to determine * the correct listener + * + * Facilities length is mandatory in call request packets */ + if (skb->len < 1) + goto out_clear_request; len = skb->data[0] + 1; + if (skb->len < len) + goto out_clear_request; skb_pull(skb,len); /* @@ -1415,9 +1462,20 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (facilities.winsize_in < 1 || facilities.winsize_in > 127) break; - if (facilities.throughput < 0x03 || - facilities.throughput > 0xDD) - break; + if (facilities.throughput) { + int out = facilities.throughput & 0xf0; + int in = facilities.throughput & 0x0f; + if (!out) + facilities.throughput |= + X25_DEFAULT_THROUGHPUT << 4; + else if (out < 0x30 || out > 0xD0) + break; + if (!in) + facilities.throughput |= + X25_DEFAULT_THROUGHPUT; + else if (in < 0x03 || in > 0x0D) + break; + } if (facilities.reverse && (facilities.reverse & 0x81) != 0x81) break; diff --git a/net/x25/x25_facilities.c b/net/x25/x25_facilities.c index a21f664..771bab0 100644 --- a/net/x25/x25_facilities.c +++ b/net/x25/x25_facilities.c @@ -35,7 +35,7 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, struct x25_dte_facilities *dte_facs, unsigned long *vc_fac_mask) { unsigned char *p = skb->data; - unsigned int len = *p++; + unsigned int len; *vc_fac_mask = 0; @@ -50,6 +50,14 @@ int x25_parse_facilities(struct sk_buff *skb, struct x25_facilities *facilities, memset(dte_facs->called_ae, '\0', sizeof(dte_facs->called_ae)); memset(dte_facs->calling_ae, '\0', sizeof(dte_facs->calling_ae)); + if (skb->len < 1) + return 0; + + len = *p++; + + if (len >= skb->len) + return -1; + while (len > 0) { switch (*p & X25_FAC_CLASS_MASK) { case X25_FAC_CLASS_A: @@ -247,6 +255,8 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk, memcpy(new, ours, sizeof(*new)); len = x25_parse_facilities(skb, &theirs, dte, &x25->vc_facil_mask); + if (len < 0) + return len; /* * They want reverse charging, we won't accept it. @@ -259,9 +269,18 @@ int x25_negotiate_facilities(struct sk_buff *skb, struct sock *sk, new->reverse = theirs.reverse; if (theirs.throughput) { - if (theirs.throughput < ours->throughput) { - SOCK_DEBUG(sk, "X.25: throughput negotiated down\n"); - new->throughput = theirs.throughput; + int theirs_in = theirs.throughput & 0x0f; + int theirs_out = theirs.throughput & 0xf0; + int ours_in = ours->throughput & 0x0f; + int ours_out = ours->throughput & 0xf0; + if (!ours_in || theirs_in < ours_in) { + SOCK_DEBUG(sk, "X.25: inbound throughput negotiated\n"); + new->throughput = (new->throughput & 0xf0) | theirs_in; + } + if (!ours_out || theirs_out < ours_out) { + SOCK_DEBUG(sk, + "X.25: outbound throughput negotiated\n"); + new->throughput = (new->throughput & 0x0f) | theirs_out; } } diff --git a/net/x25/x25_in.c b/net/x25/x25_in.c index a31b3b9..372ac22 100644 --- a/net/x25/x25_in.c +++ b/net/x25/x25_in.c @@ -90,6 +90,7 @@ static int x25_queue_rx_frame(struct sock *sk, struct sk_buff *skb, int more) static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametype) { struct x25_address source_addr, dest_addr; + int len; switch (frametype) { case X25_CALL_ACCEPTED: { @@ -107,11 +108,17 @@ static int x25_state1_machine(struct sock *sk, struct sk_buff *skb, int frametyp * Parse the data in the frame. */ skb_pull(skb, X25_STD_MIN_LEN); - skb_pull(skb, x25_addr_ntoa(skb->data, &source_addr, &dest_addr)); - skb_pull(skb, - x25_parse_facilities(skb, &x25->facilities, + + len = x25_parse_address_block(skb, &source_addr, + &dest_addr); + if (len > 0) + skb_pull(skb, len); + + len = x25_parse_facilities(skb, &x25->facilities, &x25->dte_facilities, - &x25->vc_facil_mask)); + &x25->vc_facil_mask); + if (len > 0) + skb_pull(skb, len); /* * Copy any Call User Data. */ |