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Diffstat (limited to 'net')
-rw-r--r--net/ax25/af_ax25.c9
-rw-r--r--net/bluetooth/hci_core.c7
-rw-r--r--net/bridge/br_multicast.c81
-rw-r--r--net/bridge/br_private.h4
-rw-r--r--net/core/net_namespace.c33
-rw-r--r--net/core/skbuff.c4
-rw-r--r--net/ipv4/tcp.c2
-rw-r--r--net/ipv4/tcp_input.c8
-rw-r--r--net/ipv6/mcast.c2
-rw-r--r--net/ipv6/tcp_ipv6.c4
-rw-r--r--net/netlink/af_netlink.c24
-rw-r--r--net/phonet/pep.c3
-rw-r--r--net/sched/sch_gred.c7
-rw-r--r--net/sctp/socket.c5
-rw-r--r--net/socket.c6
-rw-r--r--net/wireless/util.c2
16 files changed, 70 insertions, 131 deletions
diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index e7c69f4619ec..b04a6ef4da94 100644
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -2006,16 +2006,17 @@ static void __exit ax25_exit(void)
proc_net_remove(&init_net, "ax25_route");
proc_net_remove(&init_net, "ax25");
proc_net_remove(&init_net, "ax25_calls");
- ax25_rt_free();
- ax25_uid_free();
- ax25_dev_free();
- ax25_unregister_sysctl();
unregister_netdevice_notifier(&ax25_dev_notifier);
+ ax25_unregister_sysctl();
dev_remove_pack(&ax25_packet_type);
sock_unregister(PF_AX25);
proto_unregister(&ax25_proto);
+
+ ax25_rt_free();
+ ax25_uid_free();
+ ax25_dev_free();
}
module_exit(ax25_exit);
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 3b3919864078..f38e633c7546 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -510,6 +510,11 @@ int hci_dev_open(__u16 dev)
hci_req_lock(hdev);
+ if (test_bit(HCI_UNREGISTER, &hdev->flags)) {
+ ret = -ENODEV;
+ goto done;
+ }
+
if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) {
ret = -ERFKILL;
goto done;
@@ -1563,6 +1568,8 @@ int hci_unregister_dev(struct hci_dev *hdev)
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
+ set_bit(HCI_UNREGISTER, &hdev->flags);
+
write_lock_bh(&hci_dev_list_lock);
list_del(&hdev->list);
write_unlock_bh(&hci_dev_list_lock);
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index c23a4b183312..e78269d798c0 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -241,7 +241,6 @@ static void br_multicast_group_expired(unsigned long data)
hlist_del_rcu(&mp->hlist[mdb->ver]);
mdb->size--;
- del_timer(&mp->query_timer);
call_rcu_bh(&mp->rcu, br_multicast_free_group);
out:
@@ -271,7 +270,6 @@ static void br_multicast_del_pg(struct net_bridge *br,
rcu_assign_pointer(*pp, p->next);
hlist_del_init(&p->mglist);
del_timer(&p->timer);
- del_timer(&p->query_timer);
call_rcu_bh(&p->rcu, br_multicast_free_pg);
if (!mp->ports && !mp->mglist &&
@@ -507,74 +505,6 @@ static struct sk_buff *br_multicast_alloc_query(struct net_bridge *br,
return NULL;
}
-static void br_multicast_send_group_query(struct net_bridge_mdb_entry *mp)
-{
- struct net_bridge *br = mp->br;
- struct sk_buff *skb;
-
- skb = br_multicast_alloc_query(br, &mp->addr);
- if (!skb)
- goto timer;
-
- netif_rx(skb);
-
-timer:
- if (++mp->queries_sent < br->multicast_last_member_count)
- mod_timer(&mp->query_timer,
- jiffies + br->multicast_last_member_interval);
-}
-
-static void br_multicast_group_query_expired(unsigned long data)
-{
- struct net_bridge_mdb_entry *mp = (void *)data;
- struct net_bridge *br = mp->br;
-
- spin_lock(&br->multicast_lock);
- if (!netif_running(br->dev) || !mp->mglist ||
- mp->queries_sent >= br->multicast_last_member_count)
- goto out;
-
- br_multicast_send_group_query(mp);
-
-out:
- spin_unlock(&br->multicast_lock);
-}
-
-static void br_multicast_send_port_group_query(struct net_bridge_port_group *pg)
-{
- struct net_bridge_port *port = pg->port;
- struct net_bridge *br = port->br;
- struct sk_buff *skb;
-
- skb = br_multicast_alloc_query(br, &pg->addr);
- if (!skb)
- goto timer;
-
- br_deliver(port, skb);
-
-timer:
- if (++pg->queries_sent < br->multicast_last_member_count)
- mod_timer(&pg->query_timer,
- jiffies + br->multicast_last_member_interval);
-}
-
-static void br_multicast_port_group_query_expired(unsigned long data)
-{
- struct net_bridge_port_group *pg = (void *)data;
- struct net_bridge_port *port = pg->port;
- struct net_bridge *br = port->br;
-
- spin_lock(&br->multicast_lock);
- if (!netif_running(br->dev) || hlist_unhashed(&pg->mglist) ||
- pg->queries_sent >= br->multicast_last_member_count)
- goto out;
-
- br_multicast_send_port_group_query(pg);
-
-out:
- spin_unlock(&br->multicast_lock);
-}
-
static struct net_bridge_mdb_entry *br_multicast_get_group(
struct net_bridge *br, struct net_bridge_port *port,
struct br_ip *group, int hash)
@@ -690,8 +620,6 @@ rehash:
mp->addr = *group;
setup_timer(&mp->timer, br_multicast_group_expired,
(unsigned long)mp);
- setup_timer(&mp->query_timer, br_multicast_group_query_expired,
- (unsigned long)mp);
hlist_add_head_rcu(&mp->hlist[mdb->ver], &mdb->mhash[hash]);
mdb->size++;
@@ -746,8 +674,6 @@ static int br_multicast_add_group(struct net_bridge *br,
hlist_add_head(&p->mglist, &port->mglist);
setup_timer(&p->timer, br_multicast_port_group_expired,
(unsigned long)p);
- setup_timer(&p->query_timer, br_multicast_port_group_query_expired,
- (unsigned long)p);
rcu_assign_pointer(*pp, p);
@@ -1291,9 +1217,6 @@ static void br_multicast_leave_group(struct net_bridge *br,
time_after(mp->timer.expires, time) :
try_to_del_timer_sync(&mp->timer) >= 0)) {
mod_timer(&mp->timer, time);
-
- mp->queries_sent = 0;
- mod_timer(&mp->query_timer, now);
}
goto out;
@@ -1310,9 +1233,6 @@ static void br_multicast_leave_group(struct net_bridge *br,
time_after(p->timer.expires, time) :
try_to_del_timer_sync(&p->timer) >= 0)) {
mod_timer(&p->timer, time);
-
- p->queries_sent = 0;
- mod_timer(&p->query_timer, now);
}
break;
@@ -1678,7 +1598,6 @@ void br_multicast_stop(struct net_bridge *br)
hlist_for_each_entry_safe(mp, p, n, &mdb->mhash[i],
hlist[ver]) {
del_timer(&mp->timer);
- del_timer(&mp->query_timer);
call_rcu_bh(&mp->rcu, br_multicast_free_group);
}
}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 857a021deea9..1ca1b1c7560e 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -77,9 +77,7 @@ struct net_bridge_port_group {
struct hlist_node mglist;
struct rcu_head rcu;
struct timer_list timer;
- struct timer_list query_timer;
struct br_ip addr;
- u32 queries_sent;
};
struct net_bridge_mdb_entry
@@ -89,10 +87,8 @@ struct net_bridge_mdb_entry
struct net_bridge_port_group __rcu *ports;
struct rcu_head rcu;
struct timer_list timer;
- struct timer_list query_timer;
struct br_ip addr;
bool mglist;
- u32 queries_sent;
};
struct net_bridge_mdb_htable
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 0b0211d7fc3e..2772ed11bec9 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -82,21 +82,29 @@ assign:
static int ops_init(const struct pernet_operations *ops, struct net *net)
{
- int err;
+ int err = -ENOMEM;
+ void *data = NULL;
+
if (ops->id && ops->size) {
- void *data = kzalloc(ops->size, GFP_KERNEL);
+ data = kzalloc(ops->size, GFP_KERNEL);
if (!data)
- return -ENOMEM;
+ goto out;
err = net_assign_generic(net, *ops->id, data);
- if (err) {
- kfree(data);
- return err;
- }
+ if (err)
+ goto cleanup;
}
+ err = 0;
if (ops->init)
- return ops->init(net);
- return 0;
+ err = ops->init(net);
+ if (!err)
+ return 0;
+
+cleanup:
+ kfree(data);
+
+out:
+ return err;
}
static void ops_free(const struct pernet_operations *ops, struct net *net)
@@ -446,12 +454,7 @@ static void __unregister_pernet_operations(struct pernet_operations *ops)
static int __register_pernet_operations(struct list_head *list,
struct pernet_operations *ops)
{
- int err = 0;
- err = ops_init(ops, &init_net);
- if (err)
- ops_free(ops, &init_net);
- return err;
-
+ return ops_init(ops, &init_net);
}
static void __unregister_pernet_operations(struct pernet_operations *ops)
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 46cbd28f40f9..4821df84eba3 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -2985,6 +2985,8 @@ static void sock_rmem_free(struct sk_buff *skb)
*/
int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
{
+ int len = skb->len;
+
if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
(unsigned)sk->sk_rcvbuf)
return -ENOMEM;
@@ -2999,7 +3001,7 @@ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb)
skb_queue_tail(&sk->sk_error_queue, skb);
if (!sock_flag(sk, SOCK_DEAD))
- sk->sk_data_ready(sk, skb->len);
+ sk->sk_data_ready(sk, len);
return 0;
}
EXPORT_SYMBOL(sock_queue_err_skb);
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 09ced58e6a51..b0e5330f1c61 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -864,7 +864,7 @@ wait_for_memory:
}
out:
- if (copied)
+ if (copied && !(flags & MSG_SENDPAGE_NOTLAST))
tcp_push(sk, flags, mss_now, tp->nonagle);
return copied;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 72b1857723da..c3a9f033ef34 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -328,6 +328,7 @@ static void tcp_grow_window(struct sock *sk, struct sk_buff *skb)
incr = __tcp_grow_window(sk, skb);
if (incr) {
+ incr = max_t(int, incr, 2 * skb->len);
tp->rcv_ssthresh = min(tp->rcv_ssthresh + incr,
tp->window_clamp);
inet_csk(sk)->icsk_ack.quick |= 1;
@@ -460,8 +461,11 @@ static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep)
if (!win_dep) {
m -= (new_sample >> 3);
new_sample += m;
- } else if (m < new_sample)
- new_sample = m << 3;
+ } else {
+ m <<= 3;
+ if (m < new_sample)
+ new_sample = m;
+ }
} else {
/* No previous measure. */
new_sample = m << 3;
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 225736697df5..f2d74ea19a76 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2054,7 +2054,7 @@ static int ip6_mc_add_src(struct inet6_dev *idev, const struct in6_addr *pmca,
if (!delta)
pmc->mca_sfcount[sfmode]--;
for (j=0; j<i; j++)
- (void) ip6_mc_del1_src(pmc, sfmode, &psfsrc[i]);
+ ip6_mc_del1_src(pmc, sfmode, &psfsrc[j]);
} else if (isexclude != (pmc->mca_sfcount[MCAST_EXCLUDE] != 0)) {
struct ip6_sf_list *psf;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 51587a01627a..848f9634bbdf 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1514,6 +1514,10 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
tcp_mtup_init(newsk);
tcp_sync_mss(newsk, dst_mtu(dst));
newtp->advmss = dst_metric_advmss(dst);
+ if (tcp_sk(sk)->rx_opt.user_mss &&
+ tcp_sk(sk)->rx_opt.user_mss < newtp->advmss)
+ newtp->advmss = tcp_sk(sk)->rx_opt.user_mss;
+
tcp_initialize_rcv_mss(newsk);
newinet->inet_daddr = newinet->inet_saddr = LOOPBACK4_IPV6;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 6ef64adf7362..24bc620b539a 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -830,12 +830,19 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb,
return 0;
}
-int netlink_sendskb(struct sock *sk, struct sk_buff *skb)
+static int __netlink_sendskb(struct sock *sk, struct sk_buff *skb)
{
int len = skb->len;
skb_queue_tail(&sk->sk_receive_queue, skb);
sk->sk_data_ready(sk, len);
+ return len;
+}
+
+int netlink_sendskb(struct sock *sk, struct sk_buff *skb)
+{
+ int len = __netlink_sendskb(sk, skb);
+
sock_put(sk);
return len;
}
@@ -960,8 +967,7 @@ static inline int netlink_broadcast_deliver(struct sock *sk,
if (atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf &&
!test_bit(0, &nlk->state)) {
skb_set_owner_r(skb, sk);
- skb_queue_tail(&sk->sk_receive_queue, skb);
- sk->sk_data_ready(sk, skb->len);
+ __netlink_sendskb(sk, skb);
return atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf;
}
return -1;
@@ -1682,10 +1688,8 @@ static int netlink_dump(struct sock *sk)
if (sk_filter(sk, skb))
kfree_skb(skb);
- else {
- skb_queue_tail(&sk->sk_receive_queue, skb);
- sk->sk_data_ready(sk, skb->len);
- }
+ else
+ __netlink_sendskb(sk, skb);
return 0;
}
@@ -1697,10 +1701,8 @@ static int netlink_dump(struct sock *sk)
if (sk_filter(sk, skb))
kfree_skb(skb);
- else {
- skb_queue_tail(&sk->sk_receive_queue, skb);
- sk->sk_data_ready(sk, skb->len);
- }
+ else
+ __netlink_sendskb(sk, skb);
if (cb->done)
cb->done(cb);
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index f17fd841f948..d29a7fb3f61d 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -1045,6 +1045,9 @@ static int pep_sendmsg(struct kiocb *iocb, struct sock *sk,
int flags = msg->msg_flags;
int err, done;
+ if (len > USHRT_MAX)
+ return -EMSGSIZE;
+
if ((msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_NOSIGNAL|
MSG_CMSG_COMPAT)) ||
!(msg->msg_flags & MSG_EOR))
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 6cd8ddfb512d..e1afe0c205fa 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -544,11 +544,8 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
opt.packets = q->packetsin;
opt.bytesin = q->bytesin;
- if (gred_wred_mode(table)) {
- q->parms.qidlestart =
- table->tab[table->def]->parms.qidlestart;
- q->parms.qavg = table->tab[table->def]->parms.qavg;
- }
+ if (gred_wred_mode(table))
+ gred_load_wred_set(table, q);
opt.qave = red_calc_qavg(&q->parms, q->parms.qavg);
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index fa9b5c7739a8..4434853a9fe7 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4009,9 +4009,10 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len,
static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval,
int __user *optlen)
{
- if (len < sizeof(struct sctp_event_subscribe))
+ if (len <= 0)
return -EINVAL;
- len = sizeof(struct sctp_event_subscribe);
+ if (len > sizeof(struct sctp_event_subscribe))
+ len = sizeof(struct sctp_event_subscribe);
if (put_user(len, optlen))
return -EFAULT;
if (copy_to_user(optval, &sctp_sk(sk)->subscribe, len))
diff --git a/net/socket.c b/net/socket.c
index 1ad42d3604e4..cf41afcc89bb 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -791,9 +791,9 @@ static ssize_t sock_sendpage(struct file *file, struct page *page,
sock = file->private_data;
- flags = !(file->f_flags & O_NONBLOCK) ? 0 : MSG_DONTWAIT;
- if (more)
- flags |= MSG_MORE;
+ flags = (file->f_flags & O_NONBLOCK) ? MSG_DONTWAIT : 0;
+ /* more is a combination of MSG_MORE and MSG_SENDPAGE_NOTLAST */
+ flags |= more;
return kernel_sendpage(sock, page, offset, size, flags);
}
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 4d7b83fbc32f..9c22330a129d 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -990,7 +990,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
if (rdev->wiphy.software_iftypes & BIT(iftype))
continue;
for (j = 0; j < c->n_limits; j++) {
- if (!(limits[j].types & iftype))
+ if (!(limits[j].types & BIT(iftype)))
continue;
if (limits[j].max < num[iftype])
goto cont;
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-05 06:45:45 +0000