diff options
author | David S. Miller <davem@davemloft.net> | 2012-08-22 14:21:38 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2012-08-22 14:21:38 -0700 |
commit | 1304a7343b30fc4f16045412efdbb4179a3d9255 (patch) | |
tree | 83d667ac4f62e30f70305ce4cc7e030e3465f92e /net | |
parent | 1d76efe1577b4323609b1bcbfafa8b731eda071a (diff) | |
parent | 23dcfa61bac244e1200ff9ad19c6e9144dcb6bb5 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net')
64 files changed, 556 insertions, 278 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c index 73a2a83ee2da..402442402af7 100644 --- a/net/8021q/vlan_dev.c +++ b/net/8021q/vlan_dev.c @@ -137,9 +137,21 @@ static int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev, return rc; } +static inline netdev_tx_t vlan_netpoll_send_skb(struct vlan_dev_priv *vlan, struct sk_buff *skb) +{ +#ifdef CONFIG_NET_POLL_CONTROLLER + if (vlan->netpoll) + netpoll_send_skb(vlan->netpoll, skb); +#else + BUG(); +#endif + return NETDEV_TX_OK; +} + static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) { + struct vlan_dev_priv *vlan = vlan_dev_priv(dev); struct vlan_ethhdr *veth = (struct vlan_ethhdr *)(skb->data); unsigned int len; int ret; @@ -150,29 +162,30 @@ static netdev_tx_t vlan_dev_hard_start_xmit(struct sk_buff *skb, * OTHER THINGS LIKE FDDI/TokenRing/802.3 SNAPs... */ if (veth->h_vlan_proto != htons(ETH_P_8021Q) || - vlan_dev_priv(dev)->flags & VLAN_FLAG_REORDER_HDR) { + vlan->flags & VLAN_FLAG_REORDER_HDR) { u16 vlan_tci; - vlan_tci = vlan_dev_priv(dev)->vlan_id; + vlan_tci = vlan->vlan_id; vlan_tci |= vlan_dev_get_egress_qos_mask(dev, skb); skb = __vlan_hwaccel_put_tag(skb, vlan_tci); } - skb->dev = vlan_dev_priv(dev)->real_dev; + skb->dev = vlan->real_dev; len = skb->len; - if (netpoll_tx_running(dev)) - return skb->dev->netdev_ops->ndo_start_xmit(skb, skb->dev); + if (unlikely(netpoll_tx_running(dev))) + return vlan_netpoll_send_skb(vlan, skb); + ret = dev_queue_xmit(skb); if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) { struct vlan_pcpu_stats *stats; - stats = this_cpu_ptr(vlan_dev_priv(dev)->vlan_pcpu_stats); + stats = this_cpu_ptr(vlan->vlan_pcpu_stats); u64_stats_update_begin(&stats->syncp); stats->tx_packets++; stats->tx_bytes += len; u64_stats_update_end(&stats->syncp); } else { - this_cpu_inc(vlan_dev_priv(dev)->vlan_pcpu_stats->tx_dropped); + this_cpu_inc(vlan->vlan_pcpu_stats->tx_dropped); } return ret; @@ -669,25 +682,26 @@ static void vlan_dev_poll_controller(struct net_device *dev) return; } -static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo) +static int vlan_dev_netpoll_setup(struct net_device *dev, struct netpoll_info *npinfo, + gfp_t gfp) { - struct vlan_dev_priv *info = vlan_dev_priv(dev); - struct net_device *real_dev = info->real_dev; + struct vlan_dev_priv *vlan = vlan_dev_priv(dev); + struct net_device *real_dev = vlan->real_dev; struct netpoll *netpoll; int err = 0; - netpoll = kzalloc(sizeof(*netpoll), GFP_KERNEL); + netpoll = kzalloc(sizeof(*netpoll), gfp); err = -ENOMEM; if (!netpoll) goto out; - err = __netpoll_setup(netpoll, real_dev); + err = __netpoll_setup(netpoll, real_dev, gfp); if (err) { kfree(netpoll); goto out; } - info->netpoll = netpoll; + vlan->netpoll = netpoll; out: return err; @@ -695,19 +709,15 @@ out: static void vlan_dev_netpoll_cleanup(struct net_device *dev) { - struct vlan_dev_priv *info = vlan_dev_priv(dev); - struct netpoll *netpoll = info->netpoll; + struct vlan_dev_priv *vlan= vlan_dev_priv(dev); + struct netpoll *netpoll = vlan->netpoll; if (!netpoll) return; - info->netpoll = NULL; - - /* Wait for transmitting packets to finish before freeing. */ - synchronize_rcu_bh(); + vlan->netpoll = NULL; - __netpoll_cleanup(netpoll); - kfree(netpoll); + __netpoll_free_rcu(netpoll); } #endif /* CONFIG_NET_POLL_CONTROLLER */ diff --git a/net/atm/common.c b/net/atm/common.c index b4b44dbed645..0c0ad930a632 100644 --- a/net/atm/common.c +++ b/net/atm/common.c @@ -812,6 +812,7 @@ int vcc_getsockopt(struct socket *sock, int level, int optname, if (!vcc->dev || !test_bit(ATM_VF_ADDR, &vcc->flags)) return -ENOTCONN; + memset(&pvc, 0, sizeof(pvc)); pvc.sap_family = AF_ATMPVC; pvc.sap_addr.itf = vcc->dev->number; pvc.sap_addr.vpi = vcc->vpi; diff --git a/net/atm/pvc.c b/net/atm/pvc.c index 3a734919c36c..ae0324021407 100644 --- a/net/atm/pvc.c +++ b/net/atm/pvc.c @@ -95,6 +95,7 @@ static int pvc_getname(struct socket *sock, struct sockaddr *sockaddr, return -ENOTCONN; *sockaddr_len = sizeof(struct sockaddr_atmpvc); addr = (struct sockaddr_atmpvc *)sockaddr; + memset(addr, 0, sizeof(*addr)); addr->sap_family = AF_ATMPVC; addr->sap_addr.itf = vcc->dev->number; addr->sap_addr.vpi = vcc->vpi; diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index b421cc49d2cd..fc866f2e4528 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -200,11 +200,11 @@ void batadv_gw_election(struct batadv_priv *bat_priv) if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_CLIENT) goto out; - if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect)) - goto out; - curr_gw = batadv_gw_get_selected_gw_node(bat_priv); + if (!batadv_atomic_dec_not_zero(&bat_priv->gw_reselect) && curr_gw) + goto out; + next_gw = batadv_gw_get_best_gw_node(bat_priv); if (curr_gw == next_gw) diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index a438f4b582fc..99dd8f75b3ff 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -197,6 +197,7 @@ static void batadv_tt_local_event(struct batadv_priv *bat_priv, del: list_del(&entry->list); kfree(entry); + kfree(tt_change_node); event_removed = true; goto unlock; } diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 32e21ad36a68..4fd2cf3bcd05 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -1365,6 +1365,9 @@ static bool hci_resolve_next_name(struct hci_dev *hdev) return false; e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED); + if (!e) + return false; + if (hci_resolve_name(hdev, e) == 0) { e->name_state = NAME_PENDING; return true; @@ -1393,12 +1396,20 @@ static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn, return; e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING); - if (e) { + /* If the device was not found in a list of found devices names of which + * are pending. there is no need to continue resolving a next name as it + * will be done upon receiving another Remote Name Request Complete + * Event */ + if (!e) + return; + + list_del(&e->list); + if (name) { e->name_state = NAME_KNOWN; - list_del(&e->list); - if (name) - mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, - e->data.rssi, name, name_len); + mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00, + e->data.rssi, name, name_len); + } else { + e->name_state = NAME_NOT_KNOWN; } if (hci_resolve_next_name(hdev)) @@ -1749,7 +1760,12 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) if (conn->type == ACL_LINK) { conn->state = BT_CONFIG; hci_conn_hold(conn); - conn->disc_timeout = HCI_DISCONN_TIMEOUT; + + if (!conn->out && !hci_conn_ssp_enabled(conn) && + !hci_find_link_key(hdev, &ev->bdaddr)) + conn->disc_timeout = HCI_PAIRING_TIMEOUT; + else + conn->disc_timeout = HCI_DISCONN_TIMEOUT; } else conn->state = BT_CONNECTED; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 7c3d6c7c6ddb..bb64331db3b7 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -694,6 +694,7 @@ static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, *addr_len = sizeof(*haddr); haddr->hci_family = AF_BLUETOOTH; haddr->hci_dev = hdev->id; + haddr->hci_channel= 0; release_sock(sk); return 0; @@ -1009,6 +1010,7 @@ static int hci_sock_getsockopt(struct socket *sock, int level, int optname, { struct hci_filter *f = &hci_pi(sk)->filter; + memset(&uf, 0, sizeof(uf)); uf.type_mask = f->type_mask; uf.opcode = f->opcode; uf.event_mask[0] = *((u32 *) f->event_mask + 0); diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 9f8b29ef5b68..f0a3ab156ec6 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -1198,6 +1198,7 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn) sk = chan->sk; hci_conn_hold(conn->hcon); + conn->hcon->disc_timeout = HCI_DISCONN_TIMEOUT; bacpy(&bt_sk(sk)->src, conn->src); bacpy(&bt_sk(sk)->dst, conn->dst); diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 13f6a9816feb..3a6ce73541d9 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -249,6 +249,7 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l BT_DBG("sock %p, sk %p", sock, sk); + memset(la, 0, sizeof(struct sockaddr_l2)); addr->sa_family = AF_BLUETOOTH; *len = sizeof(struct sockaddr_l2); @@ -1180,7 +1181,7 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p chan = l2cap_chan_create(); if (!chan) { - l2cap_sock_kill(sk); + sk_free(sk); return NULL; } diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index 260821a2d6e7..b3226f3658cf 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -528,6 +528,7 @@ static int rfcomm_sock_getname(struct socket *sock, struct sockaddr *addr, int * BT_DBG("sock %p, sk %p", sock, sk); + memset(sa, 0, sizeof(*sa)); sa->rc_family = AF_BLUETOOTH; sa->rc_channel = rfcomm_pi(sk)->channel; if (peer) @@ -822,6 +823,7 @@ static int rfcomm_sock_getsockopt(struct socket *sock, int level, int optname, c } sec.level = rfcomm_pi(sk)->sec_level; + sec.key_size = 0; len = min_t(unsigned int, len, sizeof(sec)); if (copy_to_user(optval, (char *) &sec, len)) diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index cb960773c002..56f182393c4c 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -456,7 +456,7 @@ static int rfcomm_get_dev_list(void __user *arg) size = sizeof(*dl) + dev_num * sizeof(*di); - dl = kmalloc(size, GFP_KERNEL); + dl = kzalloc(size, GFP_KERNEL); if (!dl) return -ENOMEM; diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index caa109df6452..dc42b917aaaf 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -131,6 +131,15 @@ static int sco_conn_del(struct hci_conn *hcon, int err) sco_sock_clear_timer(sk); sco_chan_del(sk, err); bh_unlock_sock(sk); + + sco_conn_lock(conn); + conn->sk = NULL; + sco_pi(sk)->conn = NULL; + sco_conn_unlock(conn); + + if (conn->hcon) + hci_conn_put(conn->hcon); + sco_sock_kill(sk); } @@ -821,16 +830,6 @@ static void sco_chan_del(struct sock *sk, int err) BT_DBG("sk %p, conn %p, err %d", sk, conn, err); - if (conn) { - sco_conn_lock(conn); - conn->sk = NULL; - sco_pi(sk)->conn = NULL; - sco_conn_unlock(conn); - - if (conn->hcon) - hci_conn_put(conn->hcon); - } - sk->sk_state = BT_CLOSED; sk->sk_err = err; sk->sk_state_change(sk); diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 16ef0dc85a0a..901a616c8083 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -579,8 +579,11 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb) if (!test_and_set_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->flags)) smp = smp_chan_create(conn); + else + smp = conn->smp_chan; - smp = conn->smp_chan; + if (!smp) + return SMP_UNSPECIFIED; smp->preq[0] = SMP_CMD_PAIRING_REQ; memcpy(&smp->preq[1], req, sizeof(*req)); diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index 333484537600..070e8a68cfc6 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -31,9 +31,11 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) struct net_bridge_mdb_entry *mdst; struct br_cpu_netstats *brstats = this_cpu_ptr(br->stats); + rcu_read_lock(); #ifdef CONFIG_BRIDGE_NETFILTER if (skb->nf_bridge && (skb->nf_bridge->mask & BRNF_BRIDGED_DNAT)) { br_nf_pre_routing_finish_bridge_slow(skb); + rcu_read_unlock(); return NETDEV_TX_OK; } #endif @@ -48,7 +50,6 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev) skb_reset_mac_header(skb); skb_pull(skb, ETH_HLEN); - rcu_read_lock(); if (is_broadcast_ether_addr(dest)) br_flood_deliver(br, skb); else if (is_multicast_ether_addr(dest)) { @@ -206,24 +207,23 @@ static void br_poll_controller(struct net_device *br_dev) static void br_netpoll_cleanup(struct net_device *dev) { struct net_bridge *br = netdev_priv(dev); - struct net_bridge_port *p, *n; + struct net_bridge_port *p; - list_for_each_entry_safe(p, n, &br->port_list, list) { + list_for_each_entry(p, &br->port_list, list) br_netpoll_disable(p); - } } -static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni) +static int br_netpoll_setup(struct net_device *dev, struct netpoll_info *ni, + gfp_t gfp) { struct net_bridge *br = netdev_priv(dev); - struct net_bridge_port *p, *n; + struct net_bridge_port *p; int err = 0; - list_for_each_entry_safe(p, n, &br->port_list, list) { + list_for_each_entry(p, &br->port_list, list) { if (!p->dev) continue; - - err = br_netpoll_enable(p); + err = br_netpoll_enable(p, gfp); if (err) goto fail; } @@ -236,17 +236,17 @@ fail: goto out; } -int br_netpoll_enable(struct net_bridge_port *p) +int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp) { struct netpoll *np; int err = 0; - np = kzalloc(sizeof(*p->np), GFP_KERNEL); + np = kzalloc(sizeof(*p->np), gfp); err = -ENOMEM; if (!np) goto out; - err = __netpoll_setup(np, p->dev); + err = __netpoll_setup(np, p->dev, gfp); if (err) { kfree(np); goto out; @@ -267,11 +267,7 @@ void br_netpoll_disable(struct net_bridge_port *p) p->np = NULL; - /* Wait for transmitting packets to finish before freeing. */ - synchronize_rcu_bh(); - - __netpoll_cleanup(np); - kfree(np); + __netpoll_free_rcu(np); } #endif diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c index e9466d412707..02015a505d2a 100644 --- a/net/bridge/br_forward.c +++ b/net/bridge/br_forward.c @@ -65,7 +65,7 @@ static void __br_deliver(const struct net_bridge_port *to, struct sk_buff *skb) { skb->dev = to->dev; - if (unlikely(netpoll_tx_running(to->dev))) { + if (unlikely(netpoll_tx_running(to->br->dev))) { if (packet_length(skb) > skb->dev->mtu && !skb_is_gso(skb)) kfree_skb(skb); else { diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index e1144e1617be..1c8fdc3558cd 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -361,7 +361,7 @@ int br_add_if(struct net_bridge *br, struct net_device *dev) if (err) goto err2; - if (br_netpoll_info(br) && ((err = br_netpoll_enable(p)))) + if (br_netpoll_info(br) && ((err = br_netpoll_enable(p, GFP_KERNEL)))) goto err3; err = netdev_set_master(dev, br->dev); @@ -427,6 +427,10 @@ int br_del_if(struct net_bridge *br, struct net_device *dev) if (!p || p->br != br) return -EINVAL; + /* Since more than one interface can be attached to a bridge, + * there still maybe an alternate path for netconsole to use; + * therefore there is no reason for a NETDEV_RELEASE event. + */ del_nbp(p); spin_lock_bh(&br->lock); diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index a768b2408edf..f507d2af9646 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -316,7 +316,7 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p, netpoll_send_skb(np, skb); } -extern int br_netpoll_enable(struct net_bridge_port *p); +extern int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp); extern void br_netpoll_disable(struct net_bridge_port *p); #else static inline struct netpoll_info *br_netpoll_info(struct net_bridge *br) @@ -329,7 +329,7 @@ static inline void br_netpoll_send_skb(const struct net_bridge_port *p, { } -static inline int br_netpoll_enable(struct net_bridge_port *p) +static inline int br_netpoll_enable(struct net_bridge_port *p, gfp_t gfp) { return 0; } diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c index 69771c04ba8f..e597733affb8 100644 --- a/net/caif/chnl_net.c +++ b/net/caif/chnl_net.c @@ -94,6 +94,10 @@ static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt) /* check the version of IP */ ip_version = skb_header_pointer(skb, 0, 1, &buf); + if (!ip_version) { + kfree_skb(skb); + return -EINVAL; + } switch (*ip_version >> 4) { case 4: diff --git a/net/ceph/crypto.c b/net/ceph/crypto.c index b780cb7947dd..9da7fdd3cd8a 100644 --- a/net/ceph/crypto.c +++ b/net/ceph/crypto.c @@ -466,6 +466,7 @@ void ceph_key_destroy(struct key *key) { struct ceph_crypto_key *ckey = key->payload.data; ceph_crypto_key_destroy(ckey); + kfree(ckey); } struct key_type key_type_ceph = { diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h index 1919d1550d75..3572dc518bc9 100644 --- a/net/ceph/crypto.h +++ b/net/ceph/crypto.h @@ -16,7 +16,8 @@ struct ceph_crypto_key { static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key) { - kfree(key->key); + if (key) + kfree(key->key); } extern int ceph_crypto_key_clone(struct ceph_crypto_key *dst, diff --git a/net/core/dev.c b/net/core/dev.c index ce1bccb08de5..088923fe4066 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1055,6 +1055,8 @@ rollback: */ int dev_set_alias(struct net_device *dev, const char *alias, size_t len) { + char *new_ifalias; + ASSERT_RTNL(); if (len >= IFALIASZ) @@ -1068,9 +1070,10 @@ int dev_set_alias(struct net_device *dev, const char *alias, size_t len) return 0; } - dev->ifalias = krealloc(dev->ifalias, len + 1, GFP_KERNEL); |