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-rw-r--r--net/8021q/vlan.c2
-rw-r--r--net/8021q/vlan_core.c4
-rw-r--r--net/8021q/vlan_dev.c71
-rw-r--r--net/bluetooth/hci_sysfs.c3
-rw-r--r--net/bluetooth/l2cap.c48
-rw-r--r--net/bluetooth/rfcomm/core.c41
-rw-r--r--net/bluetooth/rfcomm/sock.c38
-rw-r--r--net/bluetooth/sco.c38
-rw-r--r--net/core/dev.c8
-rw-r--r--net/core/netpoll.c7
-rw-r--r--net/ipv4/devinet.c2
-rw-r--r--net/ipv4/fib_trie.c4
-rw-r--r--net/ipv4/ip_gre.c4
-rw-r--r--net/ipv4/ipmr.c14
-rw-r--r--net/ipv4/route.c38
-rw-r--r--net/ipv4/tcp.c65
-rw-r--r--net/ipv4/tcp_input.c3
-rw-r--r--net/ipv4/tcp_ipv4.c5
-rw-r--r--net/ipv6/addrconf.c2
-rw-r--r--net/ipv6/ip6mr.c14
-rw-r--r--net/ipv6/netfilter/ip6table_raw.c2
-rw-r--r--net/ipv6/route.c15
-rw-r--r--net/key/af_key.c8
-rw-r--r--net/netfilter/nf_conntrack_netlink.c4
-rw-r--r--net/netfilter/nfnetlink.c4
-rw-r--r--net/netfilter/xt_hashlimit.c4
-rw-r--r--net/netfilter/xt_recent.c2
-rw-r--r--net/netlink/af_netlink.c17
-rw-r--r--net/rxrpc/ar-accept.c6
-rw-r--r--net/sched/Kconfig5
-rw-r--r--net/sched/cls_cgroup.c36
-rw-r--r--net/socket.c4
-rw-r--r--net/sunrpc/auth_gss/auth_gss.c5
-rw-r--r--net/sunrpc/bc_svc.c15
-rw-r--r--net/sunrpc/clnt.c1
-rw-r--r--net/sunrpc/rpc_pipe.c2
-rw-r--r--net/sunrpc/xprt.c22
-rw-r--r--net/sunrpc/xprtsock.c3
38 files changed, 397 insertions, 169 deletions
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 453512266ea..db783d7af5a 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -378,6 +378,8 @@ static void vlan_transfer_features(struct net_device *dev,
#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid;
#endif
+ vlandev->real_num_tx_queues = dev->real_num_tx_queues;
+ BUG_ON(vlandev->real_num_tx_queues > vlandev->num_tx_queues);
if (old_features != vlandev->features)
netdev_features_change(vlandev);
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index c0316e0ca6e..c584a0af77d 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -11,7 +11,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
if (netpoll_rx(skb))
return NET_RX_DROP;
- if (skb_bond_should_drop(skb))
+ if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
goto drop;
skb->skb_iif = skb->dev->ifindex;
@@ -83,7 +83,7 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
{
struct sk_buff *p;
- if (skb_bond_should_drop(skb))
+ if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
goto drop;
skb->skb_iif = skb->dev->ifindex;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 9e83272fc5b..2fd057c81bb 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -361,6 +361,14 @@ static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
return ret;
}
+static u16 vlan_dev_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+ struct net_device *rdev = vlan_dev_info(dev)->real_dev;
+ const struct net_device_ops *ops = rdev->netdev_ops;
+
+ return ops->ndo_select_queue(rdev, skb);
+}
+
static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)
{
/* TODO: gotta make sure the underlying layer can handle it,
@@ -688,7 +696,8 @@ static const struct header_ops vlan_header_ops = {
.parse = eth_header_parse,
};
-static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops;
+static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops,
+ vlan_netdev_ops_sq, vlan_netdev_accel_ops_sq;
static int vlan_dev_init(struct net_device *dev)
{
@@ -722,11 +731,17 @@ static int vlan_dev_init(struct net_device *dev)
if (real_dev->features & NETIF_F_HW_VLAN_TX) {
dev->header_ops = real_dev->header_ops;
dev->hard_header_len = real_dev->hard_header_len;
- dev->netdev_ops = &vlan_netdev_accel_ops;
+ if (real_dev->netdev_ops->ndo_select_queue)
+ dev->netdev_ops = &vlan_netdev_accel_ops_sq;
+ else
+ dev->netdev_ops = &vlan_netdev_accel_ops;
} else {
dev->header_ops = &vlan_header_ops;
dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
- dev->netdev_ops = &vlan_netdev_ops;
+ if (real_dev->netdev_ops->ndo_select_queue)
+ dev->netdev_ops = &vlan_netdev_ops_sq;
+ else
+ dev->netdev_ops = &vlan_netdev_ops;
}
if (is_vlan_dev(real_dev))
@@ -865,6 +880,56 @@ static const struct net_device_ops vlan_netdev_accel_ops = {
#endif
};
+static const struct net_device_ops vlan_netdev_ops_sq = {
+ .ndo_select_queue = vlan_dev_select_queue,
+ .ndo_change_mtu = vlan_dev_change_mtu,
+ .ndo_init = vlan_dev_init,
+ .ndo_uninit = vlan_dev_uninit,
+ .ndo_open = vlan_dev_open,
+ .ndo_stop = vlan_dev_stop,
+ .ndo_start_xmit = vlan_dev_hard_start_xmit,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = vlan_dev_set_mac_address,
+ .ndo_set_rx_mode = vlan_dev_set_rx_mode,
+ .ndo_set_multicast_list = vlan_dev_set_rx_mode,
+ .ndo_change_rx_flags = vlan_dev_change_rx_flags,
+ .ndo_do_ioctl = vlan_dev_ioctl,
+ .ndo_neigh_setup = vlan_dev_neigh_setup,
+ .ndo_get_stats = vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ .ndo_fcoe_ddp_setup = vlan_dev_fcoe_ddp_setup,
+ .ndo_fcoe_ddp_done = vlan_dev_fcoe_ddp_done,
+ .ndo_fcoe_enable = vlan_dev_fcoe_enable,
+ .ndo_fcoe_disable = vlan_dev_fcoe_disable,
+ .ndo_fcoe_get_wwn = vlan_dev_fcoe_get_wwn,
+#endif
+};
+
+static const struct net_device_ops vlan_netdev_accel_ops_sq = {
+ .ndo_select_queue = vlan_dev_select_queue,
+ .ndo_change_mtu = vlan_dev_change_mtu,
+ .ndo_init = vlan_dev_init,
+ .ndo_uninit = vlan_dev_uninit,
+ .ndo_open = vlan_dev_open,
+ .ndo_stop = vlan_dev_stop,
+ .ndo_start_xmit = vlan_dev_hwaccel_hard_start_xmit,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = vlan_dev_set_mac_address,
+ .ndo_set_rx_mode = vlan_dev_set_rx_mode,
+ .ndo_set_multicast_list = vlan_dev_set_rx_mode,
+ .ndo_change_rx_flags = vlan_dev_change_rx_flags,
+ .ndo_do_ioctl = vlan_dev_ioctl,
+ .ndo_neigh_setup = vlan_dev_neigh_setup,
+ .ndo_get_stats = vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+ .ndo_fcoe_ddp_setup = vlan_dev_fcoe_ddp_setup,
+ .ndo_fcoe_ddp_done = vlan_dev_fcoe_ddp_done,
+ .ndo_fcoe_enable = vlan_dev_fcoe_enable,
+ .ndo_fcoe_disable = vlan_dev_fcoe_disable,
+ .ndo_fcoe_get_wwn = vlan_dev_fcoe_get_wwn,
+#endif
+};
+
void vlan_setup(struct net_device *dev)
{
ether_setup(dev);
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index cafb55b0cea..05fd125f74f 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -8,8 +8,7 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-struct class *bt_class = NULL;
-EXPORT_SYMBOL_GPL(bt_class);
+static struct class *bt_class;
struct dentry *bt_debugfs = NULL;
EXPORT_SYMBOL_GPL(bt_debugfs);
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 4db7ae2fe07..7794a2e2adc 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -40,6 +40,8 @@
#include <linux/skbuff.h>
#include <linux/list.h>
#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <linux/uaccess.h>
#include <linux/crc16.h>
#include <net/sock.h>
@@ -2830,6 +2832,11 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
int len = cmd->len - sizeof(*rsp);
char req[64];
+ if (len > sizeof(req) - sizeof(struct l2cap_conf_req)) {
+ l2cap_send_disconn_req(conn, sk);
+ goto done;
+ }
+
/* throw out any old stored conf requests */
result = L2CAP_CONF_SUCCESS;
len = l2cap_parse_conf_rsp(sk, rsp->data,
@@ -3937,31 +3944,42 @@ drop:
return 0;
}
-static ssize_t l2cap_sysfs_show(struct class *dev,
- struct class_attribute *attr,
- char *buf)
+static int l2cap_debugfs_show(struct seq_file *f, void *p)
{
struct sock *sk;
struct hlist_node *node;
- char *str = buf;
read_lock_bh(&l2cap_sk_list.lock);
sk_for_each(sk, node, &l2cap_sk_list.head) {
struct l2cap_pinfo *pi = l2cap_pi(sk);
- str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
- batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
- sk->sk_state, __le16_to_cpu(pi->psm), pi->scid,
- pi->dcid, pi->imtu, pi->omtu, pi->sec_level);
+ seq_printf(f, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
+ batostr(&bt_sk(sk)->src),
+ batostr(&bt_sk(sk)->dst),
+ sk->sk_state, __le16_to_cpu(pi->psm),
+ pi->scid, pi->dcid,
+ pi->imtu, pi->omtu, pi->sec_level);
}
read_unlock_bh(&l2cap_sk_list.lock);
- return str - buf;
+ return 0;
}
-static CLASS_ATTR(l2cap, S_IRUGO, l2cap_sysfs_show, NULL);
+static int l2cap_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, l2cap_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations l2cap_debugfs_fops = {
+ .open = l2cap_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *l2cap_debugfs;
static const struct proto_ops l2cap_sock_ops = {
.family = PF_BLUETOOTH,
@@ -4021,8 +4039,12 @@ static int __init l2cap_init(void)
goto error;
}
- if (class_create_file(bt_class, &class_attr_l2cap) < 0)
- BT_ERR("Failed to create L2CAP info file");
+ if (bt_debugfs) {
+ l2cap_debugfs = debugfs_create_file("l2cap", 0444,
+ bt_debugfs, NULL, &l2cap_debugfs_fops);
+ if (!l2cap_debugfs)
+ BT_ERR("Failed to create L2CAP debug file");
+ }
BT_INFO("L2CAP ver %s", VERSION);
BT_INFO("L2CAP socket layer initialized");
@@ -4036,7 +4058,7 @@ error:
static void __exit l2cap_exit(void)
{
- class_remove_file(bt_class, &class_attr_l2cap);
+ debugfs_remove(l2cap_debugfs);
if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
BT_ERR("L2CAP socket unregistration failed");
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index db8a68e1a5b..13f114e8b0f 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -33,6 +33,8 @@
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <linux/net.h>
#include <linux/mutex.h>
#include <linux/kthread.h>
@@ -2098,13 +2100,10 @@ static struct hci_cb rfcomm_cb = {
.security_cfm = rfcomm_security_cfm
};
-static ssize_t rfcomm_dlc_sysfs_show(struct class *dev,
- struct class_attribute *attr,
- char *buf)
+static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x)
{
struct rfcomm_session *s;
struct list_head *pp, *p;
- char *str = buf;
rfcomm_lock();
@@ -2114,18 +2113,32 @@ static ssize_t rfcomm_dlc_sysfs_show(struct class *dev,
struct sock *sk = s->sock->sk;
struct rfcomm_dlc *d = list_entry(pp, struct rfcomm_dlc, list);
- str += sprintf(str, "%s %s %ld %d %d %d %d\n",
- batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
- d->state, d->dlci, d->mtu, d->rx_credits, d->tx_credits);
+ seq_printf(f, "%s %s %ld %d %d %d %d\n",
+ batostr(&bt_sk(sk)->src),
+ batostr(&bt_sk(sk)->dst),
+ d->state, d->dlci, d->mtu,
+ d->rx_credits, d->tx_credits);
}
}
rfcomm_unlock();
- return (str - buf);
+ return 0;
}
-static CLASS_ATTR(rfcomm_dlc, S_IRUGO, rfcomm_dlc_sysfs_show, NULL);
+static int rfcomm_dlc_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, rfcomm_dlc_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations rfcomm_dlc_debugfs_fops = {
+ .open = rfcomm_dlc_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *rfcomm_dlc_debugfs;
/* ---- Initialization ---- */
static int __init rfcomm_init(void)
@@ -2142,8 +2155,12 @@ static int __init rfcomm_init(void)
goto unregister;
}
- if (class_create_file(bt_class, &class_attr_rfcomm_dlc) < 0)
- BT_ERR("Failed to create RFCOMM info file");
+ if (bt_debugfs) {
+ rfcomm_dlc_debugfs = debugfs_create_file("rfcomm_dlc", 0444,
+ bt_debugfs, NULL, &rfcomm_dlc_debugfs_fops);
+ if (!rfcomm_dlc_debugfs)
+ BT_ERR("Failed to create RFCOMM debug file");
+ }
err = rfcomm_init_ttys();
if (err < 0)
@@ -2171,7 +2188,7 @@ unregister:
static void __exit rfcomm_exit(void)
{
- class_remove_file(bt_class, &class_attr_rfcomm_dlc);
+ debugfs_remove(rfcomm_dlc_debugfs);
hci_unregister_cb(&rfcomm_cb);
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index ca87d6ac6a2..7f439765403 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -40,6 +40,8 @@
#include <linux/skbuff.h>
#include <linux/list.h>
#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <net/sock.h>
#include <asm/system.h>
@@ -1061,28 +1063,38 @@ done:
return result;
}
-static ssize_t rfcomm_sock_sysfs_show(struct class *dev,
- struct class_attribute *attr,
- char *buf)
+static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p)
{
struct sock *sk;
struct hlist_node *node;
- char *str = buf;
read_lock_bh(&rfcomm_sk_list.lock);
sk_for_each(sk, node, &rfcomm_sk_list.head) {
- str += sprintf(str, "%s %s %d %d\n",
- batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
+ seq_printf(f, "%s %s %d %d\n",
+ batostr(&bt_sk(sk)->src),
+ batostr(&bt_sk(sk)->dst),
sk->sk_state, rfcomm_pi(sk)->channel);
}
read_unlock_bh(&rfcomm_sk_list.lock);
- return (str - buf);
+ return 0;
}
-static CLASS_ATTR(rfcomm, S_IRUGO, rfcomm_sock_sysfs_show, NULL);
+static int rfcomm_sock_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, rfcomm_sock_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations rfcomm_sock_debugfs_fops = {
+ .open = rfcomm_sock_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *rfcomm_sock_debugfs;
static const struct proto_ops rfcomm_sock_ops = {
.family = PF_BLUETOOTH,
@@ -1122,8 +1134,12 @@ int __init rfcomm_init_sockets(void)
if (err < 0)
goto error;
- if (class_create_file(bt_class, &class_attr_rfcomm) < 0)
- BT_ERR("Failed to create RFCOMM info file");
+ if (bt_debugfs) {
+ rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
+ bt_debugfs, NULL, &rfcomm_sock_debugfs_fops);
+ if (!rfcomm_sock_debugfs)
+ BT_ERR("Failed to create RFCOMM debug file");
+ }
BT_INFO("RFCOMM socket layer initialized");
@@ -1137,7 +1153,7 @@ error:
void rfcomm_cleanup_sockets(void)
{
- class_remove_file(bt_class, &class_attr_rfcomm);
+ debugfs_remove(rfcomm_sock_debugfs);
if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
BT_ERR("RFCOMM socket layer unregistration failed");
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index f93b939539b..e5b16b76b22 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -38,6 +38,8 @@
#include <linux/socket.h>
#include <linux/skbuff.h>
#include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
#include <linux/list.h>
#include <net/sock.h>
@@ -953,28 +955,36 @@ drop:
return 0;
}
-static ssize_t sco_sysfs_show(struct class *dev,
- struct class_attribute *attr,
- char *buf)
+static int sco_debugfs_show(struct seq_file *f, void *p)
{
struct sock *sk;
struct hlist_node *node;
- char *str = buf;
read_lock_bh(&sco_sk_list.lock);
sk_for_each(sk, node, &sco_sk_list.head) {
- str += sprintf(str, "%s %s %d\n",
- batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
- sk->sk_state);
+ seq_printf(f, "%s %s %d\n", batostr(&bt_sk(sk)->src),
+ batostr(&bt_sk(sk)->dst), sk->sk_state);
}
read_unlock_bh(&sco_sk_list.lock);
- return (str - buf);
+ return 0;
}
-static CLASS_ATTR(sco, S_IRUGO, sco_sysfs_show, NULL);
+static int sco_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, sco_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations sco_debugfs_fops = {
+ .open = sco_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static struct dentry *sco_debugfs;
static const struct proto_ops sco_sock_ops = {
.family = PF_BLUETOOTH,
@@ -1032,8 +1042,12 @@ static int __init sco_init(void)
goto error;
}
- if (class_create_file(bt_class, &class_attr_sco) < 0)
- BT_ERR("Failed to create SCO info file");
+ if (bt_debugfs) {
+ sco_debugfs = debugfs_create_file("sco", 0444,
+ bt_debugfs, NULL, &sco_debugfs_fops);
+ if (!sco_debugfs)
+ BT_ERR("Failed to create SCO debug file");
+ }
BT_INFO("SCO (Voice Link) ver %s", VERSION);
BT_INFO("SCO socket layer initialized");
@@ -1047,7 +1061,7 @@ error:
static void __exit sco_exit(void)
{
- class_remove_file(bt_class, &class_attr_sco);
+ debugfs_remove(sco_debugfs);
if (bt_sock_unregister(BTPROTO_SCO) < 0)
BT_ERR("SCO socket unregistration failed");
diff --git a/net/core/dev.c b/net/core/dev.c
index bcc490cc945..59d4394d2ce 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2483,6 +2483,7 @@ int netif_receive_skb(struct sk_buff *skb)
{
struct packet_type *ptype, *pt_prev;
struct net_device *orig_dev;
+ struct net_device *master;
struct net_device *null_or_orig;
struct net_device *null_or_bond;
int ret = NET_RX_DROP;
@@ -2503,11 +2504,12 @@ int netif_receive_skb(struct sk_buff *skb)
null_or_orig = NULL;
orig_dev = skb->dev;
- if (orig_dev->master) {
- if (skb_bond_should_drop(skb))
+ master = ACCESS_ONCE(orig_dev->master);
+ if (master) {
+ if (skb_bond_should_drop(skb, master))
null_or_orig = orig_dev; /* deliver only exact match */
else
- skb->dev = orig_dev->master;
+ skb->dev = master;
}
__get_cpu_var(netdev_rx_stat).total++;
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index d4ec38fa64e..6f9206b36dc 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -614,7 +614,7 @@ void netpoll_print_options(struct netpoll *np)
np->name, np->local_port);
printk(KERN_INFO "%s: local IP %pI4\n",
np->name, &np->local_ip);
- printk(KERN_INFO "%s: interface %s\n",
+ printk(KERN_INFO "%s: interface '%s'\n",
np->name, np->dev_name);
printk(KERN_INFO "%s: remote port %d\n",
np->name, np->remote_port);
@@ -661,6 +661,9 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
if ((delim = strchr(cur, '@')) == NULL)
goto parse_failed;
*delim = 0;
+ if (*cur == ' ' || *cur == '\t')
+ printk(KERN_INFO "%s: warning: whitespace"
+ "is not allowed\n", np->name);
np->remote_port = simple_strtol(cur, NULL, 10);
cur = delim;
}
@@ -708,7 +711,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
return 0;
parse_failed:
- printk(KERN_INFO "%s: couldn't parse config at %s!\n",
+ printk(KERN_INFO "%s: couldn't parse config at '%s'!\n",
np->name, cur);
return -1;
}
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 51ca946e339..3feb2b39030 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1194,7 +1194,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
if (idx < s_idx)
goto cont;
- if (idx > s_idx)
+ if (h > s_h || idx > s_idx)
s_ip_idx = 0;
in_dev = __in_dev_get_rcu(dev);
if (!in_dev)
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index af5d8979286..01ef8ba9025 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -961,7 +961,9 @@ fib_find_node(struct trie *t, u32 key)
struct node *n;
pos = 0;
- n = rcu_dereference(t->trie);
+ n = rcu_dereference_check(t->trie,
+ rcu_read_lock_held() ||
+ lockdep_rtnl_is_held());
while (n != NULL && NODE_TYPE(n) == T_TNODE) {
tn = (struct tnode *) n;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index f47c9f76754..f78402d097b 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -810,11 +810,13 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
tunnel->err_count = 0;
}
- max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen;
+ max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->u.dst.header_len;
if (skb_headroom(skb) < max_headroom || skb_shared(skb)||
(skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
+ if (max_headroom > dev->needed_headroom)
+ dev->needed_headroom = max_headroom;
if (!new_skb) {
ip_rt_put(rt);
txq->tx_dropped++;
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 8582e12e4a6..d0a6092a67b 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -802,6 +802,9 @@ static int ipmr_mfc_add(struct net *net, struct mfcctl *mfc, int mrtsock)
int line;
struct mfc_cache *uc, *c, **cp;
+ if (mfc->mfcc_parent >= MAXVIFS)
+ return -ENFILE;
+
line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
for (cp = &net->ipv4.mfc_cache_array[line];
@@ -1613,17 +1616,20 @@ ipmr_fill_mroute(struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm)
int ct;
struct rtnexthop *nhp;
struct net *net = mfc_net(c);
- struct net_device *dev = net->ipv4.vif_table[c->mfc_parent].dev;
u8 *b = skb_tail_pointer(skb);
struct rtattr *mp_head;
- if (dev)
- RTA_PUT(skb, RTA_IIF, 4, &dev->ifindex);
+ /* If cache is unresolved, don't try to parse IIF and OIF */
+ if (c->mfc_parent > MAXVIFS)
+ return -ENOENT;
+
+ if (VIF_EXISTS(net, c->mfc_parent))
+ RTA_PUT(skb, RTA_IIF, 4, &net->ipv4.vif_table[c->mfc_parent].dev->ifindex);
mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0));
for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
- if (c->mfc_un.res.ttls[ct] < 255) {
+ if (VIF_EXISTS(net, ct) && c->mfc_un.res.ttls[ct] < 255) {
if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4))
goto rtattr_failure;
nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a770df2493d..d413b57be9b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1097,7 +1097,7 @@ static int slow_chain_length(const struct rtable *head)
}
static int rt_intern_hash(unsigned hash, struct rtable *rt,
- struct rtable **rp, struct sk_buff *skb)
+ struct rtable **rp, struct sk_buff *skb, int ifindex)
{
struct rtable *rth, **rthp;
unsigned long now;
@@ -1212,11 +1212,16 @@ restart:
slow_chain_length(rt_hash_table[hash].chain) > rt_chain_length_max) {
struct net *net = dev_net(rt->u.dst.dev);
int num = ++net->ipv4.current_rt_cache_rebuild_count;
- if (!rt_caching(dev_net(rt->u.dst.dev))) {
+ if (!rt_caching(net)) {
printk(KERN_WARNING "%s: %d rebuilds is over limit, route caching disabled\n",
rt->u.dst.dev->name, num);
}
- rt_emergency_hash_rebuild(dev_net(rt->u.dst.dev));
+ rt_emergency_hash_rebuild(net);
+ spin_unlock_bh(rt_hash_lock_addr(hash));
+
+ hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
+ ifindex, rt_genid(net));
+ goto restart;
}
}
@@ -1441,7 +1446,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
dev_hold(rt->u.dst.dev);
if (rt->idev)
in_dev_hold(rt->idev);
- rt->u.dst.obsolete = 0;
+ rt->u.dst.obsolete = -1;
rt->u.dst.lastuse = jiffies;
rt->u.dst.path = &rt->u.dst;
rt->u.dst.neighbour = NULL;
@@ -1477,7 +1482,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
&netevent);
rt_del(hash, rth);
- if (!rt_intern_hash(hash, rt, &rt, NULL))
+ if (!rt_intern_hash(hash, rt, &rt, NULL, rt->fl.oif))
ip_rt_put(rt);
goto do_next;
}
@@ -1506,11 +1511,12 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
struct dst_entry *ret = dst;
if (rt) {
- if (dst->obsolete) {
+ if (dst->obsolete > 0) {
ip_rt_put(rt);
ret = NULL;
} else if ((rt->rt_flags & RTCF_REDIRECTED) ||
- rt->u.dst.expires) {
+ (rt->u.dst.expires &&
+ time_after_eq(jiffies, rt->u.dst.expires))) {
unsigned hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
rt->fl.oif,
rt_genid(dev_net(dst->dev)));
@@ -1726,7 +1732,9 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
{
- return NULL;
+ if (rt_is_expired((struct rtable *)dst))
+ return NULL;
+ return dst;
}
static void ipv4_dst_destroy(struct dst_entry *dst)
@@ -1888,7 +1896,8 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
if (!rth)
goto e_nobufs;
- rth->u.dst.output= ip_rt_bug;
+ rth->u.dst.output = ip_rt_bug;
+ rth->u.dst.obsolete = -1;
atomic_set(&rth->u.dst.__refcnt, 1);
rth->u.dst.flags= DST_HOST;
@@ -1927,7 +1936,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
in_dev_put(in_dev);
hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
- return rt_intern_hash(hash, rth, NULL, skb);
+ return rt_intern_hash(hash, rth, NULL, skb, dev->ifindex);
e_nobufs:
in_dev_put(in_dev);
@@ -2054,6 +2063,7 @@ static int __mkroute_input(struct sk_buff *skb,
rth->fl.oif = 0;
rth->rt_spec_dst= spec_dst;
+ rth->u.dst.obsolete = -1;
rth->u.dst.input = ip_forward;
rth->u.dst.output = ip_output;
rth->rt_genid = rt_genid(dev_net(rth->u.dst.dev));
@@ -2093,7 +2103,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
/* put it into the cache */
hash = rt_hash(daddr, saddr, fl->iif,
rt_genid(dev_net(rth->u.dst.dev)));
- return rt_intern_hash(hash, rth, NULL, skb);
+ return rt_intern_hash(hash, rth, NULL, skb, fl->iif);
}
/*
@@ -2218,6 +2228,7 @@ local_input:
goto e_nobufs;
rth->u.dst.output= ip_rt_bug;
+ rth->u.dst.obsolete = -1;
rth->rt_genid = rt_genid(net);
atomic_set(&rth->u.dst.__refcnt, 1);
@@ -2249,7 +2260,7 @@ local_input:
}
rth->rt_type = res.type;
hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));
- err = rt_intern_hash(hash, rth, NULL, skb);
+ err = rt_intern_hash(hash, rth, NULL, skb, fl.iif);
goto done;
no_route:
@@ -2444,6 +2455,7 @@ static int __mkroute_output(struct rtable **result,
rth->rt_spec_dst= fl->fl4_src;
rth->u.dst.output=ip_output;
+ rth->u.dst.obsolete = -1;
rth->rt_genid = rt_genid(dev_net(dev_out));
RT_CACHE_STAT_INC(out_slow_tot);
@@ -2495,7 +2507,7 @@ static int ip_mkroute_output(struct rtable **rp,
if (err == 0) {
hash = rt_hash(oldflp->fl4_dst, oldflp->fl4_src, oldflp->oif,
rt_genid(dev_net(dev_out)));
- err = rt_intern_hash(hash, rth, rp, NULL);
+ err = rt_intern_hash(hash, rth, rp, NULL, oldflp->oif);
}
return err;
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 5901010fad5..6afb6d8662b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -429,7 +429,7 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
if (tp->urg_seq == tp->copied_seq &&
!sock_flag(sk, SOCK_URGINLINE) &&
tp->urg_data)
- target--;
+ target++;
/* Potential race condition. If read of tp below will
* escape above sk->sk_state, we can be illegally awaken
@@ -1254,6 +1254,39 @@ static void tcp_prequeue_process(struct sock *sk)
tp->ucopy.memory = 0;
}
+#ifdef CONFIG_NET_DMA
+static void tcp_service_net_dma(struct sock *sk, bool wait)
+{
+ dma_cookie_t done, used;
+ dma_cookie_t last_issued;
+ struct tcp_sock *tp = tcp_sk(sk);
+
+ if (!tp->ucopy.dma_chan)
+ return;
+
+ last_issued = tp->ucopy.dma_cookie;
+ dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
+ do {
+ if (dma_async_memcpy_complete(tp->ucopy.dma_chan,
+ last_issued, &done,
+ &used) == DMA_SUCCESS) {
+ /* Safe to free early-copied skbs now */
+ __skb_queue_purge(&sk->sk_async_wait_queue);
+ break;
+ } else {
+ struct sk_buff *skb;
+ while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
+ (dma_async_is_complete(skb->dma_cookie, done,
+ used) == DMA_SUCCESS)) {
+ __skb_dequeue(&sk->sk_async_wait_queue);
+ kfree_skb(skb);
+ }
+ }
+ } while (wait);
+}
+#endif
+
static inline struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off)
{
struct sk_buff *skb;
@@ -1546,6 +1579,10 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
/* __ Set realtime policy in scheduler __ */
}
+#ifdef CONFIG_NET_DMA
+ if (tp->ucopy.dma_chan)
+ dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+#endif
if (copied >= target) {
/* Do not sleep, just process backlog. */
release_sock(sk);
@@ -1554,6 +1591,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
sk_wait_data(sk, &timeo);
#ifdef CONFIG_NET_DMA
+ tcp_service_net_dma(sk, false); /* Don't block */
tp->ucopy.wakeup = 0;
#endif
@@ -1633,6 +1671,9 @@ do_prequeue:
copied = -EFAULT;
break;
}
+
+ dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
if ((offset + used) == skb->len)
copied_early = 1;
@@ -1702,27 +1743,9 @@ skip_copy:
}
#ifdef CONFIG_NET_DMA
- if (tp->ucopy.dma_chan) {
- dma_cookie_t done, used;
-
- dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
-
- while (dma_async_memcpy_complete(tp->ucopy.dma_chan,
- tp->ucopy.dma_cookie, &done,
- &used) == DMA_IN_PROGRESS) {
- /* do partial cleanup of sk_async_wait_queue */
- while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
- (dma_async_is_complete(skb->dma_cookie, done,
- used) == DMA_SUCCESS)) {
- __skb_dequeue(&sk->sk_async_wait_queue);
- kfree_skb(skb);
- }
- }
+ tcp_service_net_dma(sk, true); /* Wait for queue to drain */
+ tp->ucopy.dma_chan = NULL;
- /* Safe to free early-copied skbs now */
- __skb_queue_purge(&sk->sk_async_wait_queue);
- tp->ucopy.dma_chan = NULL;
- }
if (tp->ucopy.pinned_list) {
dma_unpin_iovec_pages(tp->ucopy.pinned_list);
tp->ucopy.pinned_list = NULL;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 788851ca8c5..c096a4218b8 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2511,6 +2511,9 @@ static void tcp_mark_head_lost(struct sock *sk, int packets)
int err;
unsigned int mss;
+ if (packets == 0)
+ return;
+
WARN_ON(packets > tp->packets_out);
if (tp->lost_skb_hint) {
skb = tp->lost_skb_hint;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 70df40980a8..f4df5f931f3 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -370,6 +370,11 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
if (sk->sk_state == TCP_CLOSE)
goto out;
+ if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
+ NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+ goto out;
+ }
+
icsk = inet_csk(sk);
tp = tcp_sk(sk);
seq = ntohl(th->seq);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3381b4317c2..7e567ae5eaa 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3610,7 +3610,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
if (idx < s_idx)
goto cont;
- if (idx > s_idx)
+ if (h > s_h || idx > s_idx)
s_ip_idx = 0;
ip_idx = 0;
if ((idev = __in6_dev_get(dev)) == NULL)
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 52e0f74fdfe..27acfb58650 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1113,6 +1113,9 @@ static int ip6mr_mfc_add(struct net *net, struct mf6cctl *mfc, int mrtsock)
unsigned char ttls[MAXMIFS];
int i;
+ if (mfc->mf6cc_parent >= MAXMIFS)
+ return -ENFILE;
+
memset(ttls, 255, MAXMIFS);
for (i = 0; i < MAXMIFS; i++) {
if (IF_ISSET(i, &mfc->mf6cc_ifset))
@@ -1692,17 +1695,20 @@ ip6mr_fill_mroute(struct sk_buff *skb, struct mfc6_cache *c, struct rtmsg *rtm)
int ct;
struct rtnexthop *nhp;
struct net *net = mfc6_net(c);
- struct net_device *dev = net->ipv6.vif6_table[c->mf6c_parent].dev;
u8 *b = skb_tail_pointer(skb);
struct rtattr *mp_head;
- if (dev)
- RTA_PUT(skb, RTA_IIF, 4, &dev->ifindex);
+ /* If cache is unresolved, don't try to parse IIF and OIF */
+ if (c->mf6c_parent > MAXMIFS)
+ return -ENOENT;
+
+ if (MIF_EXISTS(net, c->mf6c_parent))
+ RTA_PUT(skb, RTA_IIF, 4, &net->ipv6.vif6_table[c->mf6c_parent].dev->ifindex);
mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0));
for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
- if (c->mfc_un.res.ttls[ct] < 255) {
+ if (MIF_EXISTS(net, ct) && c->mfc_un.res.ttls[ct] < 255) {
if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4))
goto rtattr_failure;
nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index aef31a29de9..b9cf7cd6192 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -13,7 +13,7 @@ static const struct xt_table packet_raw = {
.valid_hooks = RAW_VALID_HOOKS,
.me = THIS_MODULE,
.af = NFPROTO_IPV6,
- .priority = NF_IP6_PRI_FIRST,
+ .priority = NF_IP6_PRI_RAW,
};
/* The work comes in here from netfilter.c. */
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 52cd3eff31d..0d7713c5c20 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -879,7 +879,7 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie)
rt = (struct rt6_info *) dst;
- if (rt && rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie))
+ if (rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie))
return dst;
return NULL;
@@ -890,12 +890,17 @@ static struct dst_entry *ip6_negative_advice(struct dst_entry *dst)
struct rt6_info *rt = (struct rt6_info *) dst;
if (rt) {
- if (rt->rt6i_flags & RTF_CACHE)
- ip6_del_rt(rt);
- else
+ if (rt->rt6i_flags & RTF_CACHE) {
+ if (rt6_check_expired(rt)) {
+ ip6_del_rt(rt);
+ dst = NULL;
+ }
+ } else {
dst_release(dst);
+ dst = NULL;
+ }
}
- return NULL;
+ return dst;
}
static void ip6_link_failure(struct sk_buff *skb)
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 36870788264..344145f23c3 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2129,10 +2129,9 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c
int err;
out_skb = pfkey_xfrm_policy2msg_prep(xp);
- if (IS_ERR(out_skb)) {
- err = PTR_ERR(out_skb);
- goto out;
- }
+ if (IS_ERR(out_skb))
+ return PTR_ERR(out_skb);
+
err = pfkey_xfrm_policy2msg(out_skb, xp, dir);
if (err < 0)
return err;
@@ -2148,7 +2147,6 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c
out_hdr->sadb_msg_seq = c->seq;
out_hdr->sadb_msg_pid = c->pid;
pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp));
-out:
return 0;
}
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 2b2af631d2b..569410a8595 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -582,7 +582,9 @@ nla_put_failure:
nlmsg_failure:
kfree_skb(skb);
errout:
- nfnetlink_set_err(net, 0, group, -ENOBUFS);
+ if (nfnetlink_set_err(net, 0, group, -ENOBUFS) > 0)
+ return -ENOBUFS;
+
return 0;
}
#endif /* CONFIG_NF_CONNTRACK_EVENTS */
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 8eb0cc23ada..6afa3d52ea5 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -113,9 +113,9 @@ int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 pid,
}
EXPORT_SYMBOL_GPL(nfnetlink_send);
-void nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error)
+int nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error)
{
- netlink_set_err(net->nfnl, pid, group, error);
+ return netlink_set_err(net->nfnl, pid, group, error);
}
EXPORT_SYMBOL_GPL(nfnetlink_set_err);
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index 9e9c4896394..215a64835de 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -493,6 +493,7 @@ static void hashlimit_ipv6_mask(__be32 *i, unsigned int p)
case 64 ... 95:
i[2] = maskl(i[2], p - 64);
i[3] = 0;
+ break;
case 96 ... 127:
i[3] = maskl(i[3], p - 96);
break;
@@ -879,7 +880,8 @@ static void dl_seq_stop(struct seq_file *s, void *v)
struct xt_hashlimit_htable *htable = s->private;
unsigned int *bucket = (unsigned int *)v;
- kfree(bucket);
+ if (!IS_ERR(bucket))
+ kfree(bucket);
spin_unlock_bh(&htable->lock);
}
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 7073dbb8100..971d172afec 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -267,7 +267,7 @@ recent_mt(const struct sk_buff *skb, const struct xt_match_param *par)
for (i = 0; i < e->nstamps; i++) {
if (info->seconds && time_after(time, e->stamps[i]))
continue;
- if (info->hit_count && ++hits >= info->hit_count) {
+ if (!info->hit_count || ++hits >= info->hit_count) {
ret = !ret;
break;
}
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 320d0423a24..acbbae1e89b 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1093,6 +1093,7 @@ static inline int do_one_set_err(struct sock *sk,
struct netlink_set_err_data *p)
{
struct netlink_sock *nlk = nlk_sk(sk);
+ int ret = 0;
if (sk == p->exclude_sk)
goto out;
@@ -1104,10 +1105,15 @@ static inline int do_one_set_err(struct sock *sk,
!test_bit(p->group - 1, nlk->groups))
goto out;
+ if (p->code == ENOBUFS && nlk->flags & NETLINK_RECV_NO_ENOBUFS) {
+ ret = 1;
+ goto out;
+ }
+
sk->sk_err = p->code;
sk->sk_error_report(sk);
out:
- return 0;
+ return ret;
}
/**
@@ -1116,12 +1122,16 @@ out:
* @pid: the PID of a process that we want to skip (if any)
* @groups: the broadcast group that will notice the error
* @code: error code, must be negative (as usual in kernelspace)
+ *
+ * This function returns the number of broadcast listeners that have set the
+ * NETLINK_RECV_NO_ENOBUFS socket option.
*/
-void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
+int netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
{
struct netlink_set_err_data info;
struct hlist_node *node;
struct sock *sk;
+ int ret = 0;
info.exclude_sk = ssk;
info.pid = pid;
@@ -1132,9 +1142,10 @@ void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
read_lock(&nl_table_lock);
sk_for_each_bound(sk, node, &nl_table[ssk->sk_protocol].mc_list)
- do_one_set_err(sk, &info);
+ ret += do_one_set_err(sk, &info);
read_unlock(&nl_table_lock);
+ return ret;
}
EXPORT_SYMBOL(netlink_set_err);
diff --git a/net/rxrpc/ar-accept.c b/net/rxrpc/ar-accept.c
index 77228f28fa3..2d744f22a9a 100644
--- a/net/rxrpc/ar-accept.c
+++ b/net/rxrpc/ar-accept.c
@@ -88,6 +88,11 @@ static int rxrpc_accept_incoming_call(struct rxrpc_local *local,
/* get a notification message to send to the server app */
notification = alloc_skb(0, GFP_NOFS);
+ if (!notification) {
+ _debug("no memory");
+ ret = -ENOMEM;
+ goto error_nofree;
+ }
rxrpc_new_skb(notification);
notification->mark = RXRPC_SKB_MARK_NEW_CALL;
@@ -189,6 +194,7 @@ invalid_service:
ret = -ECONNREFUSED;
error:
rxrpc_free_skb(notification);
+error_nofree:
_leave(" = %d", ret);
return ret;
}
diff --git a/net/sched/Kconfig b/net/sched/Kconfig
index 21f9c7678aa..2f691fb180d 100644
--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -328,13 +328,16 @@ config NET_CLS_FLOW
module will be called cls_flow.
config NET_CLS_CGROUP
- bool "Control Group Classifier"
+ tristate "Control Group Classifier"
select NET_CLS
depends on CGROUPS
---help---
Say Y here if you want to classify packets based on the control
cgroup of their process.
+ To compile this code as a module, choose M here: the
+ module will be called cls_cgroup.
+
config NET_EMATCH
bool "Extended Matches"
select NET_CLS
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index e4877ca6727..7f27d2c15e0 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -24,6 +24,25 @@ struct cgroup_cls_state
u32 classid;
};
+static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
+ struct cgroup *cgrp);
+static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp);
+static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp);
+
+struct cgroup_subsys net_cls_subsys = {
+ .name = "net_cls",
+ .create = cgrp_create,
+ .destroy = cgrp_destroy,
+ .populate = cgrp_populate,
+#ifdef CONFIG_NET_CLS_CGROUP
+ .subsys_id = net_cls_subsys_id,
+#else
+#define net_cls_subsys_id net_cls_subsys.subsys_id
+#endif
+ .module = THIS_MODULE,
+};
+
+
static inline struct cgroup_cls_state *cgrp_cls_state(struct cgroup *cgrp)
{
return container_of(cgroup_subsys_state(cgrp, net_cls_subsys_id),
@@ -79,14 +98,6 @@ static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp)
return cgroup_add_files(cgrp, ss, ss_files, ARRAY_SIZE(ss_files));
}
-struct cgroup_subsys net_cls_subsys = {
- .name = "net_cls",
- .create = cgrp_create,
- .destroy = cgrp_destroy,
- .populate = cgrp_populate,
- .subsys_id = net_cls_subsys_id,
-};
-
struct cls_cgroup_head
{
u32 handle;
@@ -277,12 +288,19 @@ static struct tcf_proto_ops cls_cgroup_ops __read_mostly = {
static int __init init_cgroup_cls(void)
{
- return register_tcf_proto_ops(&cls_cgroup_ops);
+ int ret = register_tcf_proto_ops(&cls_cgroup_ops);
+ if (ret)
+ return ret;
+ ret = cgroup_load_subsys(&net_cls_subsys);
+ if (ret)
+ unregister_tcf_proto_ops(&cls_cgroup_ops);
+ return ret;
}
static void __exit exit_cgroup_cls(void)
{
unregister_tcf_proto_ops(&cls_cgroup_ops);
+ cgroup_unload_subsys(&net_cls_subsys);
}
module_init(init_cgroup_cls);
diff --git a/net/socket.c b/net/socket.c
index 769c386bd42..f55ffe9f8c8 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2135,6 +2135,10 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
break;
++datagrams;
+ /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
+ if (flags & MSG_WAITFORONE)
+ flags |= MSG_DONTWAIT;
+
if (timeout) {
ktime_get_ts(timeout);
*timeout = timespec_sub(end_time, *timeout);
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index 0cfccc2a029..c389ccf6437 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -1280,9 +1280,8 @@ alloc_enc_pages(struct rpc_rqst *rqstp)
rqstp->rq_release_snd_buf = priv_release_snd_buf;
return 0;
out_free:
- for (i--; i >= 0; i--) {
- __free_page(rqstp->rq_enc_pages[i]);
- }
+ rqstp->rq_enc_pages_num = i;
+ priv_release_snd_buf(rqstp);
out:
return -EAGAIN;
}
diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c
index 13f214f5312..f0c05d3311c 100644
--- a/net/sunrpc/bc_svc.c
+++ b/net/sunrpc/bc_svc.c
@@ -37,21 +37,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#define RPCDBG_FACILITY RPCDBG_SVCDSP
-void bc_release_request(struct rpc_task *task)
-{
- struct rpc_rqst *req = task->tk_rqstp;
-
- dprintk("RPC: bc_release_request: task= %p\n", task);
-
- /*
- * Release this request only if it's a backchannel
- * preallocated request
- */
- if (!bc_prealloc(req))
- return;
- xprt_free_bc_request(req);
-}
-
/* Empty callback ops */
static const struct rpc_call_ops nfs41_callback_ops = {
};
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 154034b675b..19c9983d536 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -659,6 +659,7 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req,
task = rpc_new_task(&task_setup_data);
if (!task) {
xprt_free_bc_request(req);
+ task = ERR_PTR(-ENOMEM);
goto out;
}
task->tk_rqstp = req;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 8d63f8fd29b..20e30c6f835 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -587,6 +587,8 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
struct dentry *dentry;
dentry = __rpc_lookup_create(parent, name);
+ if (IS_ERR(dentry))
+ return dentry;
if (dentry->d_inode == NULL)
return dentry;
dput(dentry);
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 469de292c23..42f09ade004 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -46,6 +46,7 @@
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/metrics.h>
+#include <linux/sunrpc/bc_xprt.h>
#include "sunrpc.h"
@@ -1032,21 +1033,16 @@ void xprt_release(struct rpc_task *task)
if (req->rq_release_snd_buf)
req->rq_release_snd_buf(req);
- /*
- * Early exit if this is a backchannel preallocated request.
- * There is no need to have it added to the RPC slot list.
- */
- if (is_bc_request)
- return;
-
- memset(req, 0, sizeof(*req)); /* mark unused */
-
dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
+ if (likely(!is_bc_request)) {
+ memset(req, 0, sizeof(*req)); /* mark unused */
- spin_lock(&xprt->reserve_lock);
- list_add(&req->rq_list, &xprt->free);
- rpc_wake_up_next(&xprt->backlog);
- spin_unlock(&xprt->reserve_lock);
+ spin_lock(&xprt->reserve_lock);
+ list_add(&req->rq_list, &xprt->free);
+ rpc_wake_up_next(&xprt->backlog);
+ spin_unlock(&xprt->reserve_lock);
+ } else
+ xprt_free_bc_request(req);
}
/**
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index e4839c07c91..9847c30b500 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -2251,9 +2251,6 @@ static struct rpc_xprt_ops xs_tcp_ops = {
.buf_free = rpc_free,
.send_request = xs_tcp_send_request,
.set_retrans_timeout = xprt_set_retrans_timeout_def,
-#if defined(CONFIG_NFS_V4_1)
- .release_request = bc_release_request,
-#endif /* CONFIG_NFS_V4_1 */
.close = xs_tcp_close,
.destroy = xs_destroy,
.print_stats = xs_tcp_print_stats,