diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/802/tr.c | 2 | ||||
-rw-r--r-- | net/8021q/vlan.c | 7 | ||||
-rw-r--r-- | net/ax25/af_ax25.c | 51 | ||||
-rw-r--r-- | net/bluetooth/rfcomm/tty.c | 22 | ||||
-rw-r--r-- | net/bridge/br_netfilter.c | 18 | ||||
-rw-r--r-- | net/core/neighbour.c | 4 | ||||
-rw-r--r-- | net/decnet/dn_route.c | 6 | ||||
-rw-r--r-- | net/ipv4/route.c | 6 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6t_eui64.c | 2 | ||||
-rw-r--r-- | net/netfilter/xt_helper.c | 4 |
10 files changed, 73 insertions, 49 deletions
diff --git a/net/802/tr.c b/net/802/tr.c index a2bd0f2e3af..1e115e5beab 100644 --- a/net/802/tr.c +++ b/net/802/tr.c @@ -642,7 +642,7 @@ struct net_device *alloc_trdev(int sizeof_priv) static int __init rif_init(void) { init_timer(&rif_timer); - rif_timer.expires = sysctl_tr_rif_timeout; + rif_timer.expires = jiffies + sysctl_tr_rif_timeout; rif_timer.data = 0L; rif_timer.function = rif_check_expire; add_timer(&rif_timer); diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 4add9bd4bc8..032bf44eca5 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -323,6 +323,7 @@ static const struct header_ops vlan_header_ops = { static int vlan_dev_init(struct net_device *dev) { struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev; + int subclass = 0; /* IFF_BROADCAST|IFF_MULTICAST; ??? */ dev->flags = real_dev->flags & ~IFF_UP; @@ -349,7 +350,11 @@ static int vlan_dev_init(struct net_device *dev) dev->hard_start_xmit = vlan_dev_hard_start_xmit; } - lockdep_set_class(&dev->_xmit_lock, &vlan_netdev_xmit_lock_key); + if (real_dev->priv_flags & IFF_802_1Q_VLAN) + subclass = 1; + + lockdep_set_class_and_subclass(&dev->_xmit_lock, + &vlan_netdev_xmit_lock_key, subclass); return 0; } diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index 8378afd54b3..b4725ff317c 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -87,10 +87,22 @@ static void ax25_kill_by_device(struct net_device *dev) return; spin_lock_bh(&ax25_list_lock); +again: ax25_for_each(s, node, &ax25_list) { if (s->ax25_dev == ax25_dev) { s->ax25_dev = NULL; + spin_unlock_bh(&ax25_list_lock); ax25_disconnect(s, ENETUNREACH); + spin_lock_bh(&ax25_list_lock); + + /* The entry could have been deleted from the + * list meanwhile and thus the next pointer is + * no longer valid. Play it safe and restart + * the scan. Forward progress is ensured + * because we set s->ax25_dev to NULL and we + * are never passed a NULL 'dev' argument. + */ + goto again; } } spin_unlock_bh(&ax25_list_lock); @@ -1109,21 +1121,19 @@ static int __must_check ax25_connect(struct socket *sock, * some sanity checks. code further down depends on this */ - if (addr_len == sizeof(struct sockaddr_ax25)) { - /* support for this will go away in early 2.5.x */ - printk(KERN_WARNING "ax25_connect(): %s uses obsolete socket structure\n", - current->comm); - } - else if (addr_len != sizeof(struct full_sockaddr_ax25)) { - /* support for old structure may go away some time */ + if (addr_len == sizeof(struct sockaddr_ax25)) + /* support for this will go away in early 2.5.x + * ax25_connect(): uses obsolete socket structure + */ + ; + else if (addr_len != sizeof(struct full_sockaddr_ax25)) + /* support for old structure may go away some time + * ax25_connect(): uses old (6 digipeater) socket structure. + */ if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) || - (addr_len > sizeof(struct full_sockaddr_ax25))) { + (addr_len > sizeof(struct full_sockaddr_ax25))) return -EINVAL; - } - printk(KERN_WARNING "ax25_connect(): %s uses old (6 digipeater) socket structure.\n", - current->comm); - } if (fsa->fsa_ax25.sax25_family != AF_AX25) return -EINVAL; @@ -1467,21 +1477,20 @@ static int ax25_sendmsg(struct kiocb *iocb, struct socket *sock, goto out; } - if (addr_len == sizeof(struct sockaddr_ax25)) { - printk(KERN_WARNING "ax25_sendmsg(): %s uses obsolete socket structure\n", - current->comm); - } - else if (addr_len != sizeof(struct full_sockaddr_ax25)) { - /* support for old structure may go away some time */ + if (addr_len == sizeof(struct sockaddr_ax25)) + /* ax25_sendmsg(): uses obsolete socket structure */ + ; + else if (addr_len != sizeof(struct full_sockaddr_ax25)) + /* support for old structure may go away some time + * ax25_sendmsg(): uses old (6 digipeater) + * socket structure. + */ if ((addr_len < sizeof(struct sockaddr_ax25) + sizeof(ax25_address) * 6) || (addr_len > sizeof(struct full_sockaddr_ax25))) { err = -EINVAL; goto out; } - printk(KERN_WARNING "ax25_sendmsg(): %s uses old (6 digipeater) socket structure.\n", - current->comm); - } if (addr_len > sizeof(struct sockaddr_ax25) && usax->sax25_ndigis != 0) { int ct = 0; diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index e447651a2db..a6a758dd1f7 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -95,9 +95,10 @@ static void rfcomm_dev_destruct(struct rfcomm_dev *dev) BT_DBG("dev %p dlc %p", dev, dlc); - write_lock_bh(&rfcomm_dev_lock); - list_del_init(&dev->list); - write_unlock_bh(&rfcomm_dev_lock); + /* Refcount should only hit zero when called from rfcomm_dev_del() + which will have taken us off the list. Everything else are + refcounting bugs. */ + BUG_ON(!list_empty(&dev->list)); rfcomm_dlc_lock(dlc); /* Detach DLC if it's owned by this dev */ @@ -109,11 +110,6 @@ static void rfcomm_dev_destruct(struct rfcomm_dev *dev) tty_unregister_device(rfcomm_tty_driver, dev->id); - /* Refcount should only hit zero when called from rfcomm_dev_del() - which will have taken us off the list. Everything else are - refcounting bugs. */ - BUG_ON(!list_empty(&dev->list)); - kfree(dev); /* It's safe to call module_put() here because socket still @@ -313,7 +309,15 @@ static void rfcomm_dev_del(struct rfcomm_dev *dev) { BT_DBG("dev %p", dev); - set_bit(RFCOMM_TTY_RELEASED, &dev->flags); + if (test_bit(RFCOMM_TTY_RELEASED, &dev->flags)) + BUG_ON(1); + else + set_bit(RFCOMM_TTY_RELEASED, &dev->flags); + + write_lock_bh(&rfcomm_dev_lock); + list_del_init(&dev->list); + write_unlock_bh(&rfcomm_dev_lock); + rfcomm_dev_put(dev); } diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index c1757c79dfb..5d8b939eded 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -247,8 +247,9 @@ static void __br_dnat_complain(void) * Let us first consider the case that ip_route_input() succeeds: * * If skb->dst->dev equals the logical bridge device the packet - * came in on, we can consider this bridging. We then call - * skb->dst->output() which will make the packet enter br_nf_local_out() + * came in on, we can consider this bridging. The packet is passed + * through the neighbour output function to build a new destination + * MAC address, which will make the packet enter br_nf_local_out() * not much later. In that function it is assured that the iptables * FORWARD chain is traversed for the packet. * @@ -285,12 +286,17 @@ static int br_nf_pre_routing_finish_bridge(struct sk_buff *skb) skb->nf_bridge->mask ^= BRNF_NF_BRIDGE_PREROUTING; skb->dev = bridge_parent(skb->dev); - if (!skb->dev) - kfree_skb(skb); - else { + if (skb->dev) { + struct dst_entry *dst = skb->dst; + nf_bridge_pull_encap_header(skb); - skb->dst->output(skb); + + if (dst->hh) + return neigh_hh_output(dst->hh, skb); + else if (dst->neighbour) + return dst->neighbour->output(skb); } + kfree_skb(skb); return 0; } diff --git a/net/core/neighbour.c b/net/core/neighbour.c index 29b8ee4e35d..cc8a2f190ac 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -1316,8 +1316,6 @@ void neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *parms) *p = parms->next; parms->dead = 1; write_unlock_bh(&tbl->lock); - if (parms->dev) - dev_put(parms->dev); call_rcu(&parms->rcu_head, neigh_rcu_free_parms); return; } @@ -1328,6 +1326,8 @@ void neigh_parms_release(struct neigh_table *tbl, struct neigh_parms *parms) void neigh_parms_destroy(struct neigh_parms *parms) { + if (parms->dev) + dev_put(parms->dev); kfree(parms); } diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 66663e5d7ac..0e10ff21e29 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1665,12 +1665,12 @@ static struct dn_route *dn_rt_cache_get_first(struct seq_file *seq) break; rcu_read_unlock_bh(); } - return rt; + return rcu_dereference(rt); } static struct dn_route *dn_rt_cache_get_next(struct seq_file *seq, struct dn_route *rt) { - struct dn_rt_cache_iter_state *s = rcu_dereference(seq->private); + struct dn_rt_cache_iter_state *s = seq->private; rt = rt->u.dst.dn_next; while(!rt) { @@ -1680,7 +1680,7 @@ static struct dn_route *dn_rt_cache_get_next(struct seq_file *seq, struct dn_rou rcu_read_lock_bh(); rt = dn_rt_hash_table[s->bucket].chain; } - return rt; + return rcu_dereference(rt); } static void *dn_rt_cache_seq_start(struct seq_file *seq, loff_t *pos) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index d3377069ce0..28484f396b0 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -283,12 +283,12 @@ static struct rtable *rt_cache_get_first(struct seq_file *seq) break; rcu_read_unlock_bh(); } - return r; + return rcu_dereference(r); } static struct rtable *rt_cache_get_next(struct seq_file *seq, struct rtable *r) { - struct rt_cache_iter_state *st = rcu_dereference(seq->private); + struct rt_cache_iter_state *st = seq->private; r = r->u.dst.rt_next; while (!r) { @@ -298,7 +298,7 @@ static struct rtable *rt_cache_get_next(struct seq_file *seq, struct rtable *r) rcu_read_lock_bh(); r = rt_hash_table[st->bucket].chain; } - return r; + return rcu_dereference(r); } static struct rtable *rt_cache_get_idx(struct seq_file *seq, loff_t pos) diff --git a/net/ipv6/netfilter/ip6t_eui64.c b/net/ipv6/netfilter/ip6t_eui64.c index 34ba150bfe5..41df9a578c7 100644 --- a/net/ipv6/netfilter/ip6t_eui64.c +++ b/net/ipv6/netfilter/ip6t_eui64.c @@ -47,7 +47,7 @@ match(const struct sk_buff *skb, memcpy(eui64 + 5, eth_hdr(skb)->h_source + 3, 3); eui64[3] = 0xff; eui64[4] = 0xfe; - eui64[0] |= 0x02; + eui64[0] ^= 0x02; i = 0; while (ipv6_hdr(skb)->saddr.s6_addr[8 + i] == eui64[i] diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c index 0a1f4c6bcde..d842c4a6d63 100644 --- a/net/netfilter/xt_helper.c +++ b/net/netfilter/xt_helper.c @@ -56,8 +56,8 @@ match(const struct sk_buff *skb, if (info->name[0] == '\0') ret = !ret; else - ret ^= !strncmp(master_help->helper->name, info->name, - strlen(master_help->helper->name)); + ret ^= !strncmp(helper->name, info->name, + strlen(helper->name)); return ret; } |