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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Browse Source 
Pull more networking fixes from David Miller:

 1) Eric Dumazet discovered and fixed what turned out to be a family of
    bugs.  These functions were using pskb_may_pull() which might need
    to reallocate the linear SKB data buffer, but the callers were not
    expecting this possibility.  The callers have cached pointers to the
    packet header areas, and would need to reload them if we were to
    continue using pskb_may_pull().

    So they could end up reading garbage.

    It's easier to just change these RAW4/RAW6/MIP6 routines to use
    skb_header_pointer() instead of pskb_may_pull(), which won't modify
    the linear SKB data area.

 2) Dave Jone's syscall spammer caught a case where a non-TCP socket can
    call down into the TCP keepalive code.  The case basically involves
    creating a raw socket with sk_protocol == IPPROTO_TCP, then calling
    setsockopt(sock_fd, SO_KEEPALIVE, ...)

    Fixed by Eric Dumazet.

 3) Bluetooth devices do not get configured properly while being powered
    on, resulting in always using legacy pairing instead of SSP.  Fix
    from Andrzej Kaczmarek.

 4) Bluetooth cancels delayed work erroneously, put stricter checks in
    place.  From Andrei Emeltchenko.

 5) Fix deadlock between cfg80211_mutex and reg_regdb_search_mutex in
    cfg80211, from Luis R.  Rodriguez.

 6) Fix interrupt double release in iwlwifi, from Emmanuel Grumbach.

 7) Missing module license in bcm87xx driver, from Peter Huewe.

 8) Team driver can lose port changed events when adding devices to a
    team, fix from Jiri Pirko.

 9) Fix endless loop when trying ot unregister PPPOE device in zombie
    state, from Xiaodong Xu.

10) batman-adv layer needs to set MAC address of software device
    earlier, otherwise we call tt_local_add with it uninitialized.

11) Fix handling of KSZ8021 PHYs, it's matched currently by KS8051 but
    that doesn't program the device properly.  From Marek Vasut.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  ipv6: mip6: fix mip6_mh_filter()
  ipv6: raw: fix icmpv6_filter()
  net: guard tcp_set_keepalive() to tcp sockets
  phy/micrel: Add missing header to micrel_phy.h
  phy/micrel: Rename KS80xx to KSZ80xx
  phy/micrel: Implement support for KSZ8021
  batman-adv: Fix symmetry check / route flapping in multi interface setups
  batman-adv: Fix change mac address of soft iface.
  pppoe: drop PPPOX_ZOMBIEs in pppoe_release
  team: send port changed when added
  ipv4: raw: fix icmp_filter()
  net/phy/bcm87xx: Add MODULE_LICENSE("GPL") to GPL driver
  iwlwifi: don't double free the interrupt in failure path
  cfg80211: fix possible circular lock on reg_regdb_search()
  Bluetooth: Fix not removing power_off delayed work
  Bluetooth: Fix freeing uninitialized delayed works
  Bluetooth: mgmt: Fix enabling LE while powered off
  Bluetooth: mgmt: Fix enabling SSP while powered off
This commit is contained in:
Linus Torvalds 2012-09-25 14:20:29 -07:00
commit 6f0f9b6b3f
17 changed files with 152 additions and 61 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-mxs/mach-mxs.c
View File

@ -261,7 +261,7 @@ static void __init apx4devkit_init(void)
enable_clk_enet_out();
if (IS_BUILTIN(CONFIG_PHYLIB))
phy_register_fixup_for_uid(PHY_ID_KS8051, MICREL_PHY_ID_MASK,
phy_register_fixup_for_uid(PHY_ID_KSZ8051, MICREL_PHY_ID_MASK,
apx4devkit_phy_fixup);
mxsfb_pdata.mode_list = apx4devkit_video_modes;

2
drivers/net/phy/bcm87xx.c
View File

@ -229,3 +229,5 @@ static void __exit bcm87xx_exit(void)
ARRAY_SIZE(bcm87xx_driver));
}
module_exit(bcm87xx_exit);
MODULE_LICENSE("GPL");

45
drivers/net/phy/micrel.c
View File

@ -21,6 +21,12 @@
#include <linux/phy.h>
#include <linux/micrel_phy.h>
/* Operation Mode Strap Override */
#define MII_KSZPHY_OMSO 0x16
#define KSZPHY_OMSO_B_CAST_OFF (1 << 9)
#define KSZPHY_OMSO_RMII_OVERRIDE (1 << 1)
#define KSZPHY_OMSO_MII_OVERRIDE (1 << 0)
/* general Interrupt control/status reg in vendor specific block. */
#define MII_KSZPHY_INTCS 0x1B
#define KSZPHY_INTCS_JABBER (1 << 15)
@ -101,6 +107,13 @@ static int kszphy_config_init(struct phy_device *phydev)
return 0;
}
static int ksz8021_config_init(struct phy_device *phydev)
{
const u16 val = KSZPHY_OMSO_B_CAST_OFF | KSZPHY_OMSO_RMII_OVERRIDE;
phy_write(phydev, MII_KSZPHY_OMSO, val);
return 0;
}
static int ks8051_config_init(struct phy_device *phydev)
{
int regval;
@ -128,9 +141,22 @@ static struct phy_driver ksphy_driver[] = {
.config_intr = ks8737_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
.phy_id = PHY_ID_KS8041,
.phy_id = PHY_ID_KSZ8021,
.phy_id_mask = 0x00ffffff,
.name = "Micrel KSZ8021",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause |
SUPPORTED_Asym_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
.config_init = ksz8021_config_init,
.config_aneg = genphy_config_aneg,
.read_status = genphy_read_status,
.ack_interrupt = kszphy_ack_interrupt,
.config_intr = kszphy_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
.phy_id = PHY_ID_KSZ8041,
.phy_id_mask = 0x00fffff0,
.name = "Micrel KS8041",
.name = "Micrel KSZ8041",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
| SUPPORTED_Asym_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
@ -141,9 +167,9 @@ static struct phy_driver ksphy_driver[] = {
.config_intr = kszphy_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
.phy_id = PHY_ID_KS8051,
.phy_id = PHY_ID_KSZ8051,
.phy_id_mask = 0x00fffff0,
.name = "Micrel KS8051",
.name = "Micrel KSZ8051",
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
| SUPPORTED_Asym_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
@ -154,8 +180,8 @@ static struct phy_driver ksphy_driver[] = {
.config_intr = kszphy_config_intr,
.driver = { .owner = THIS_MODULE,},
}, {
.phy_id = PHY_ID_KS8001,
.name = "Micrel KS8001 or KS8721",
.phy_id = PHY_ID_KSZ8001,
.name = "Micrel KSZ8001 or KS8721",
.phy_id_mask = 0x00ffffff,
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause),
.flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
@ -201,10 +227,11 @@ MODULE_LICENSE("GPL");
static struct mdio_device_id __maybe_unused micrel_tbl[] = {
{ PHY_ID_KSZ9021, 0x000ffffe },
{ PHY_ID_KS8001, 0x00ffffff },
{ PHY_ID_KSZ8001, 0x00ffffff },
{ PHY_ID_KS8737, 0x00fffff0 },
{ PHY_ID_KS8041, 0x00fffff0 },
{ PHY_ID_KS8051, 0x00fffff0 },
{ PHY_ID_KSZ8021, 0x00ffffff },
{ PHY_ID_KSZ8041, 0x00fffff0 },
{ PHY_ID_KSZ8051, 0x00fffff0 },
{ }
};

2
drivers/net/ppp/pppoe.c
View File

@ -570,7 +570,7 @@ static int pppoe_release(struct socket *sock)
po = pppox_sk(sk);
if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND)) {
if (sk->sk_state & (PPPOX_CONNECTED | PPPOX_BOUND | PPPOX_ZOMBIE)) {
dev_put(po->pppoe_dev);
po->pppoe_dev = NULL;
}

32
drivers/net/team/team.c
View File

@ -848,7 +848,7 @@ static struct netpoll_info *team_netpoll_info(struct team *team)
}
#endif
static void __team_port_change_check(struct team_port *port, bool linkup);
static void __team_port_change_port_added(struct team_port *port, bool linkup);
static int team_port_add(struct team *team, struct net_device *port_dev)
{
@ -948,7 +948,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
team_port_enable(team, port);
list_add_tail_rcu(&port->list, &team->port_list);
__team_compute_features(team);
__team_port_change_check(port, !!netif_carrier_ok(port_dev));
__team_port_change_port_added(port, !!netif_carrier_ok(port_dev));
__team_options_change_check(team);
netdev_info(dev, "Port device %s added\n", portname);
@ -983,6 +983,8 @@ static int team_port_add(struct team *team, struct net_device *port_dev)
return err;
}
static void __team_port_change_port_removed(struct team_port *port);
static int team_port_del(struct team *team, struct net_device *port_dev)
{
struct net_device *dev = team->dev;
@ -999,8 +1001,7 @@ static int team_port_del(struct team *team, struct net_device *port_dev)
__team_option_inst_mark_removed_port(team, port);
__team_options_change_check(team);
__team_option_inst_del_port(team, port);
port->removed = true;
__team_port_change_check(port, false);
__team_port_change_port_removed(port);
team_port_disable(team, port);
list_del_rcu(&port->list);
netdev_rx_handler_unregister(port_dev);
@ -2251,13 +2252,11 @@ static void __team_options_change_check(struct team *team)
}
/* rtnl lock is held */
static void __team_port_change_check(struct team_port *port, bool linkup)
static void __team_port_change_send(struct team_port *port, bool linkup)
{
int err;
if (!port->removed && port->state.linkup == linkup)
return;
port->changed = true;
port->state.linkup = linkup;
team_refresh_port_linkup(port);
@ -2282,6 +2281,23 @@ static void __team_port_change_check(struct team_port *port, bool linkup)
}
static void __team_port_change_check(struct team_port *port, bool linkup)
{
if (port->state.linkup != linkup)
__team_port_change_send(port, linkup);
}
static void __team_port_change_port_added(struct team_port *port, bool linkup)
{
__team_port_change_send(port, linkup);
}
static void __team_port_change_port_removed(struct team_port *port)
{
port->removed = true;
__team_port_change_send(port, false);
}
static void team_port_change_check(struct team_port *port, bool linkup)
{
struct team *team = port->team;

1
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@ -1442,6 +1442,7 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
return err;
err_free_irq:
trans_pcie->irq_requested = false;
free_irq(trans_pcie->irq, trans);
error:
iwl_free_isr_ict(trans);

19
include/linux/micrel_phy.h
View File

@ -1,3 +1,15 @@
/*
* include/linux/micrel_phy.h
*
* Micrel PHY IDs
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifndef _MICREL_PHY_H
#define _MICREL_PHY_H
@ -5,10 +17,11 @@
#define PHY_ID_KSZ9021 0x00221610
#define PHY_ID_KS8737 0x00221720
#define PHY_ID_KS8041 0x00221510
#define PHY_ID_KS8051 0x00221550
#define PHY_ID_KSZ8021 0x00221555
#define PHY_ID_KSZ8041 0x00221510
#define PHY_ID_KSZ8051 0x00221550
/* both for ks8001 Rev. A/B, and for ks8721 Rev 3. */
#define PHY_ID_KS8001 0x0022161A
#define PHY_ID_KSZ8001 0x0022161A
/* struct phy_device dev_flags definitions */
#define MICREL_PHY_50MHZ_CLK 0x00000001

13
net/batman-adv/bat_iv_ogm.c
View File

@ -642,7 +642,8 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
struct batadv_neigh_node *router = NULL;
struct batadv_orig_node *orig_node_tmp;
struct hlist_node *node;
uint8_t bcast_own_sum_orig, bcast_own_sum_neigh;
int if_num;
uint8_t sum_orig, sum_neigh;
uint8_t *neigh_addr;
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
@ -727,17 +728,17 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
if (router && (neigh_node->tq_avg == router->tq_avg)) {
orig_node_tmp = router->orig_node;
spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
bcast_own_sum_orig =
orig_node_tmp->bcast_own_sum[if_incoming->if_num];
if_num = router->if_incoming->if_num;
sum_orig = orig_node_tmp->bcast_own_sum[if_num];
spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
orig_node_tmp = neigh_node->orig_node;
spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
bcast_own_sum_neigh =
orig_node_tmp->bcast_own_sum[if_incoming->if_num];
if_num = neigh_node->if_incoming->if_num;
sum_neigh = orig_node_tmp->bcast_own_sum[if_num];
spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
if (bcast_own_sum_orig >= bcast_own_sum_neigh)
if (sum_orig >= sum_neigh)
goto update_tt;
}

7
net/batman-adv/soft-interface.c
View File

@ -100,18 +100,21 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
struct sockaddr *addr = p;
uint8_t old_addr[ETH_ALEN];
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(old_addr, dev->dev_addr, ETH_ALEN);
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
batadv_tt_local_remove(bat_priv, dev->dev_addr,
batadv_tt_local_remove(bat_priv, old_addr,
"mac address changed", false);
batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
}
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
dev->addr_assign_type &= ~NET_ADDR_RANDOM;
return 0;
}

2
net/bluetooth/hci_core.c
View File

@ -734,6 +734,8 @@ static int hci_dev_do_close(struct hci_dev *hdev)
cancel_work_sync(&hdev->le_scan);
cancel_delayed_work(&hdev->power_off);
hci_req_cancel(hdev, ENODEV);
hci_req_lock(hdev);

2
net/bluetooth/l2cap_core.c
View File

@ -1008,7 +1008,7 @@ static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *c
if (!conn)
return;
if (chan->mode == L2CAP_MODE_ERTM) {
if (chan->mode == L2CAP_MODE_ERTM && chan->state == BT_CONNECTED) {
__clear_retrans_timer(chan);
__clear_monitor_timer(chan);
__clear_ack_timer(chan);

16
net/bluetooth/mgmt.c
View File

@ -2875,6 +2875,22 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered)
if (scan)
hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
u8 ssp = 1;
hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
}
if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
struct hci_cp_write_le_host_supported cp;
cp.le = 1;
cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR);
hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED,
sizeof(cp), &cp);
}
update_class(hdev);
update_name(hdev, hdev->dev_name);
update_eir(hdev);

3
net/core/sock.c
View File

@ -691,7 +691,8 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
case SO_KEEPALIVE:
#ifdef CONFIG_INET
if (sk->sk_protocol == IPPROTO_TCP)
if (sk->sk_protocol == IPPROTO_TCP &&
sk->sk_type == SOCK_STREAM)
tcp_set_keepalive(sk, valbool);
#endif
sock_valbool_flag(sk, SOCK_KEEPOPEN, valbool);

14
net/ipv4/raw.c
View File

@ -131,18 +131,20 @@ static struct sock *__raw_v4_lookup(struct net *net, struct sock *sk,
* 0 - deliver
* 1 - block
*/
static __inline__ int icmp_filter(struct sock *sk, struct sk_buff *skb)
static int icmp_filter(const struct sock *sk, const struct sk_buff *skb)
{
int type;
struct icmphdr _hdr;
const struct icmphdr *hdr;
if (!pskb_may_pull(skb, sizeof(struct icmphdr)))
hdr = skb_header_pointer(skb, skb_transport_offset(skb),
sizeof(_hdr), &_hdr);
if (!hdr)
return 1;
type = icmp_hdr(skb)->type;
if (type < 32) {
if (hdr->type < 32) {
__u32 data = raw_sk(sk)->filter.data;
return ((1 << type) & data) != 0;
return ((1U << hdr->type) & data) != 0;
}
/* Do not block unknown ICMP types */

20
net/ipv6/mip6.c
View File

@ -86,28 +86,30 @@ static int mip6_mh_len(int type)
static int mip6_mh_filter(struct sock *sk, struct sk_buff *skb)
{
struct ip6_mh *mh;
struct ip6_mh _hdr;
const struct ip6_mh *mh;
if (!pskb_may_pull(skb, (skb_transport_offset(skb)) + 8) ||
!pskb_may_pull(skb, (skb_transport_offset(skb) +
((skb_transport_header(skb)[1] + 1) << 3))))
mh = skb_header_pointer(skb, skb_transport_offset(skb),
sizeof(_hdr), &_hdr);
if (!mh)
return -1;
mh = (struct ip6_mh *)skb_transport_header(skb);
if (((mh->ip6mh_hdrlen + 1) << 3) > skb->len)
return -1;
if (mh->ip6mh_hdrlen < mip6_mh_len(mh->ip6mh_type)) {
LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH message too short: %d vs >=%d\n",
mh->ip6mh_hdrlen, mip6_mh_len(mh->ip6mh_type));
mip6_param_prob(skb, 0, ((&mh->ip6mh_hdrlen) -
skb_network_header(skb)));
mip6_param_prob(skb, 0, offsetof(struct ip6_mh, ip6mh_hdrlen) +
skb_network_header_len(skb));
return -1;
}
if (mh->ip6mh_proto != IPPROTO_NONE) {
LIMIT_NETDEBUG(KERN_DEBUG "mip6: MH invalid payload proto = %d\n",
mh->ip6mh_proto);
mip6_param_prob(skb, 0, ((&mh->ip6mh_proto) -
skb_network_header(skb)));
mip6_param_prob(skb, 0, offsetof(struct ip6_mh, ip6mh_proto) +
skb_network_header_len(skb));
return -1;
}

21
net/ipv6/raw.c
View File

@ -107,21 +107,20 @@ static struct sock *__raw_v6_lookup(struct net *net, struct sock *sk,
* 0 - deliver
* 1 - block
*/
static __inline__ int icmpv6_filter(struct sock *sk, struct sk_buff *skb)
static int icmpv6_filter(const struct sock *sk, const struct sk_buff *skb)
{
struct icmp6hdr *icmph;
struct raw6_sock *rp = raw6_sk(sk);
struct icmp6hdr *_hdr;
const struct icmp6hdr *hdr;
if (pskb_may_pull(skb, sizeof(struct icmp6hdr))) {
__u32 *data = &rp->filter.data[0];
int bit_nr;
hdr = skb_header_pointer(skb, skb_transport_offset(skb),
sizeof(_hdr), &_hdr);
if (hdr) {
const __u32 *data = &raw6_sk(sk)->filter.data[0];
unsigned int type = hdr->icmp6_type;
icmph = (struct icmp6hdr *) skb->data;
bit_nr = icmph->icmp6_type;
return (data[bit_nr >> 5] & (1 << (bit_nr & 31))) != 0;
return (data[type >> 5] & (1U << (type & 31))) != 0;
}
return 0;
return 1;
}
#if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE)

12
net/wireless/reg.c
View File

@ -350,6 +350,9 @@ static void reg_regdb_search(struct work_struct *work)
struct reg_regdb_search_request *request;
const struct ieee80211_regdomain *curdom, *regdom;
int i, r;
bool set_reg = false;
mutex_lock(&cfg80211_mutex);
mutex_lock(&reg_regdb_search_mutex);
while (!list_empty(&reg_regdb_search_list)) {
@ -365,9 +368,7 @@ static void reg_regdb_search(struct work_struct *work)
r = reg_copy_regd(&regdom, curdom);
if (r)
break;
mutex_lock(&cfg80211_mutex);
set_regdom(regdom);
mutex_unlock(&cfg80211_mutex);
set_reg = true;
break;
}
}
@ -375,6 +376,11 @@ static void reg_regdb_search(struct work_struct *work)
kfree(request);
}
mutex_unlock(&reg_regdb_search_mutex);
if (set_reg)
set_regdom(regdom);
mutex_unlock(&cfg80211_mutex);
}
static DECLARE_WORK(reg_regdb_work, reg_regdb_search);