11 years agoMerge branch 'master' of git://
David S. Miller [Wed, 2 Mar 2011 19:29:31 +0000 (11:29 -0800)]
Merge branch 'master' of git://git./linux/kernel/git/kaber/nf-2.6

11 years agonetfilter: nf_log: avoid oops in (un)bind with invalid nfproto values
Jan Engelhardt [Wed, 2 Mar 2011 11:10:13 +0000 (12:10 +0100)]
netfilter: nf_log: avoid oops in (un)bind with invalid nfproto values

Like many other places, we have to check that the array index is
within allowed limits, or otherwise, a kernel oops and other nastiness
can ensue when we access memory beyond the end of the array.

[ 5954.115381] BUG: unable to handle kernel paging request at 0000004000000000
[ 5954.120014] IP:  __find_logger+0x6f/0xa0
[ 5954.123979]  nf_log_bind_pf+0x2b/0x70
[ 5954.123979]  nfulnl_recv_config+0xc0/0x4a0 [nfnetlink_log]
[ 5954.123979]  nfnetlink_rcv_msg+0x12c/0x1b0 [nfnetlink]

The problem goes back to v2.6.30-rc1~1372~1342~31 where nf_log_bind
was decoupled from nf_log_register.

Reported-by: Miguel Di Ciurcio Filho <>,
Signed-off-by: Jan Engelhardt <>
Signed-off-by: Patrick McHardy <>
11 years agodccp: fix oops on Reset after close
Gerrit Renker [Wed, 2 Mar 2011 07:02:07 +0000 (23:02 -0800)]
dccp: fix oops on Reset after close

This fixes a bug in the order of dccp_rcv_state_process() that still permitted
reception even after closing the socket. A Reset after close thus causes a NULL
pointer dereference by not preventing operations on an already torn-down socket.

| state other than OPEN

 WARNING: at net/ipv4/inet_timewait_sock.c:141 __inet_twsk_hashdance+0x48/0x128()
 Modules linked in: arc4 ecb carl9170 rt2870sta(C) mac80211 r8712u(C) crc_ccitt ah
 [<c0038850>] (unwind_backtrace+0x0/0xec) from [<c0055364>] (warn_slowpath_common)
 [<c0055364>] (warn_slowpath_common+0x4c/0x64) from [<c0055398>] (warn_slowpath_n)
 [<c0055398>] (warn_slowpath_null+0x1c/0x24) from [<c02b72d0>] (__inet_twsk_hashd)
 [<c02b72d0>] (__inet_twsk_hashdance+0x48/0x128) from [<c031caa0>] (dccp_time_wai)
 [<c031caa0>] (dccp_time_wait+0x40/0xc8) from [<c031c15c>] (dccp_rcv_state_proces)
 [<c031c15c>] (dccp_rcv_state_process+0x120/0x538) from [<c032609c>] (dccp_v4_do_)
 [<c032609c>] (dccp_v4_do_rcv+0x11c/0x14c) from [<c0286594>] (release_sock+0xac/0)
 [<c0286594>] (release_sock+0xac/0x110) from [<c031fd34>] (dccp_close+0x28c/0x380)
 [<c031fd34>] (dccp_close+0x28c/0x380) from [<c02d9a78>] (inet_release+0x64/0x70)

The fix is by testing the socket state first. Receiving a packet in Closed state
now also produces the required "No connection" Reset reply of RFC 4340, 8.3.1.

Reported-and-tested-by: Johan Hovold <>
Signed-off-by: Gerrit Renker <>
Signed-off-by: David S. Miller <>
11 years agoipvs: fix dst_lock locking on dest update
Julian Anastasov [Tue, 22 Feb 2011 08:40:25 +0000 (10:40 +0200)]
ipvs: fix dst_lock locking on dest update

Fix dst_lock usage in __ip_vs_update_dest. We need
_bh locking because destination is updated in user context.
Can cause lockups on frequent destination updates.
Problem reported by Simon Kirby. Bug was introduced
in 2.6.37 from the "ipvs: changes for local real server"

Signed-off-by: Julian Anastasov <>
Signed-off-by: Hans Schillstrom <>
Signed-off-by: Simon Horman <>
11 years agoMerge branch 'master' of git://
David S. Miller [Tue, 1 Mar 2011 20:38:18 +0000 (12:38 -0800)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6

11 years agodavinci_emac: Add Carrier Link OK check in Davinci RX Handler
Hegde, Vinay [Thu, 24 Feb 2011 23:56:28 +0000 (23:56 +0000)]
davinci_emac: Add Carrier Link OK check in Davinci RX Handler

This patch adds an additional check in the Davinci EMAC RX Handler,
which tests the __LINK_STATE_NOCARRIER flag along with the
__LINK_STATE_START flag as part EMAC shutting down procedure.

This avoids
WARNING: at drivers/net/davinci_emac.c:1040 emac_rx_handler+0xf8/0x120()
during rtcwake used to suspend the target for a specified duration.

Signed-off-by: Hegde, Vinay <>
Acked-by: Cyril Chemparathy <>
Signed-off-by: David S. Miller <>
11 years agobnx2x: update driver version to 1.62.00-6
Dmitry Kravkov [Mon, 28 Feb 2011 03:37:09 +0000 (03:37 +0000)]
bnx2x: update driver version to 1.62.00-6

Signed-off-by: Dmitry Kravkov <>
Signed-off-by: Eilon Greenstein <>
Signed-off-by: David S. Miller <>
11 years agobnx2x: properly calculate lro_mss
Vladislav Zolotarov [Mon, 28 Feb 2011 03:37:10 +0000 (03:37 +0000)]
bnx2x: properly calculate lro_mss

Signed-off-by: Dmitry Kravkov <>
Signed-off-by: Eilon Greenstein <>
Signed-off-by: David S. Miller <>
11 years agobnx2x: perform statistics "action" before state transition.
Vladislav Zolotarov [Mon, 28 Feb 2011 03:37:10 +0000 (03:37 +0000)]
bnx2x: perform statistics "action" before state transition.

Signed-off-by: Dmitry Kravkov <>
Signed-off-by: Eilon Greenstein <>
Signed-off-by: David S. Miller <>
11 years agobnx2x: properly configure coefficients for MinBW algorithm (NPAR mode).
Dmitry Kravkov [Mon, 28 Feb 2011 03:37:11 +0000 (03:37 +0000)]
bnx2x: properly configure coefficients for MinBW algorithm (NPAR mode).

Signed-off-by: Dmitry Kravkov <>
Signed-off-by: Eilon Greenstein <>
Signed-off-by: David S. Miller <>
11 years agobnx2x: Fix ethtool -t link test for MF (non-pmf) devices.
Dmitry Kravkov [Mon, 28 Feb 2011 03:37:12 +0000 (03:37 +0000)]
bnx2x: Fix ethtool -t link test for MF (non-pmf) devices.

Signed-off-by: Dmitry Kravkov <>
Signed-off-by: Eilon Greenstein <>
Signed-off-by: David S. Miller <>
11 years agobnx2x: Fix nvram test for single port devices.
Dmitry Kravkov [Mon, 28 Feb 2011 03:37:13 +0000 (03:37 +0000)]
bnx2x: Fix nvram test for single port devices.

Signed-off-by: Dmitry Kravkov <>
Signed-off-by: Eilon Greenstein <>
Signed-off-by: David S. Miller <>
11 years agobnx2x: (NPAR mode) Fix FW initialization
Dmitry Kravkov [Mon, 28 Feb 2011 03:37:20 +0000 (03:37 +0000)]
bnx2x: (NPAR mode) Fix FW initialization

Fix FW initialization according to max BW stored in percents
 for NPAR mode. Protect HW from being configured to speed 0.

Signed-off-by: Dmitry Kravkov <>
Signed-off-by: Eilon Greenstein <>
Signed-off-by: David S. Miller <>
11 years agonet: fix nla_policy_len to actually _iterate_ over the policy
Lars Ellenberg [Mon, 28 Feb 2011 20:38:25 +0000 (12:38 -0800)]
net: fix nla_policy_len to actually _iterate_ over the policy

Currently nla_policy_len always returns n * NLA_HDRLEN:
It loops, but does not advance it's iterator.
NLA_UNSPEC == 0 does not contain a .len in any policy.

Trivially fixed by adding p++.

Signed-off-by: Lars Ellenberg <>
Signed-off-by: David S. Miller <>
11 years agof_phonet: avoid pskb_pull(), fix OOPS with CONFIG_HIGHMEM
Rémi Denis-Courmont [Wed, 23 Feb 2011 02:51:33 +0000 (02:51 +0000)]
f_phonet: avoid pskb_pull(), fix OOPS with CONFIG_HIGHMEM

This is similar to what we already do in cdc-phonet.c in the same
situation. pskb_pull() refuses to work with HIGHMEM, even if it is
known that the socket buffer is entirely in "low" memory.

Signed-off-by: Rémi Denis-Courmont <>
Signed-off-by: David S. Miller <>
11 years agonet/fec: fix unterminated platform_device_id table
Axel Lin [Tue, 22 Feb 2011 23:28:46 +0000 (23:28 +0000)]
net/fec: fix unterminated platform_device_id table

The platform_device_id table is supposed to be zero-terminated.

Signed-off-by: Axel Lin <>
Signed-off-by: David S. Miller <>
11 years agonet: update Documentation/networking/00-INDEX
Randy Dunlap [Tue, 22 Feb 2011 12:23:43 +0000 (12:23 +0000)]
net: update Documentation/networking/00-INDEX

Clean up entries in 00-INDEX: drop files that have been removed.

Reported-by: Rob Landley <>
Signed-off-by: Randy Dunlap <>
Acked-by: Rob Landley <>
Signed-off-by: David S. Miller <>
11 years agodnet: fix wrong use of platform_set_drvdata()
Ilya Yanok [Mon, 21 Feb 2011 10:20:30 +0000 (10:20 +0000)]
dnet: fix wrong use of platform_set_drvdata()

platform_set_drvdata() was used with argument of incorrect type and
could cause memory corruption. Moreover, because of not setting drvdata
in the correct place not all resources were freed upon module unload.

Signed-off-by: Ilya Yanok <>
Signed-off-by: David S. Miller <>
11 years agomacb: don't use platform_set_drvdata() on a net_device
Jamie Iles [Mon, 28 Feb 2011 04:05:25 +0000 (04:05 +0000)]
macb: don't use platform_set_drvdata() on a net_device

Commit 71d6429 (Driver core: convert platform_{get,set}_drvdata to
static inline functions) now triggers a warning in the macb network

  CC      drivers/net/macb.o
drivers/net/macb.c: In function ‘macb_mii_init’:
drivers/net/macb.c:263: warning: passing argument 1 of ‘platform_set_drvdata’ from incompatible pointer type
include/linux/platform_device.h:138: note: expected ‘struct platform_device *’ but argument is of type ‘struct net_device *’

Use dev_set_drvdata() on the device embedded in the net_device instead.

Cc: Nicolas Ferre <>
Signed-off-by: Jamie Iles <>
Signed-off-by: David S. Miller <>
11 years agonetlink: handle errors from netlink_dump()
Andrey Vagin [Mon, 21 Feb 2011 02:40:47 +0000 (02:40 +0000)]
netlink: handle errors from netlink_dump()

netlink_dump() may failed, but nobody handle its error.
It generates output data, when a previous portion has been returned to
user space. This mechanism works when all data isn't go in skb. If we
enter in netlink_recvmsg() and skb is absent in the recv queue, the
netlink_dump() will not been executed. So if netlink_dump() is failed
one time, the new data never appear and the reader will sleep forever.

netlink_dump() is called from two places:

1. from netlink_sendmsg->...->netlink_dump_start().
   In this place we can report error directly and it will be returned
   by sendmsg().

2. from netlink_recvmsg
   There we can't report error directly, because we have a portion of
   valid output data and call netlink_dump() for prepare the next portion.
   If netlink_dump() is failed, the socket will be mark as error and the
   next recvmsg will be failed.

Signed-off-by: Andrey Vagin <>
Signed-off-by: David S. Miller <>
11 years agoCAN: add controller hardware name for Softing cards
Kurt Van Dijck [Sun, 20 Feb 2011 23:04:22 +0000 (23:04 +0000)]
CAN: add controller hardware name for Softing cards

I just found that the controller hardware name is not set for the Softing
driver. After this patch, "$ ip -d link show" looks nicer.

Signed-off-by: Kurt Van Dijck <>
Acked-by: Marc Kleine-Budde <>
Signed-off-by: David S. Miller <>
11 years agodrivers:isdn:istream.c Fix typo pice to piece
Justin Mattock [Sun, 20 Feb 2011 20:31:21 +0000 (20:31 +0000)]
drivers:isdn:istream.c Fix typo pice to piece

The below patch changes a typo "pice" to "piece"

Signed-off-by: Justin P. Mattock <>
Signed-off-by: David S. Miller <>
11 years agofmvj18x_cs: add new id
Ken Kawasaki [Sun, 20 Feb 2011 05:07:20 +0000 (05:07 +0000)]
fmvj18x_cs: add new id

fmvj18x_cs:add new id
           Toshiba lan&modem multifuction card (model name:IPC5010A)

Signed-off-by: Ken Kawasaki <>
Signed-off-by: David S. Miller <>
11 years agop54usb: add Senao NUB-350 usbid
Christian Lamparter [Sat, 26 Feb 2011 11:58:06 +0000 (12:58 +0100)]
p54usb: add Senao NUB-350 usbid

Reported-by: Mark Davis
Cc: <>
Signed-off-by: Christian Lamparter <>
Signed-off-by: John W. Linville <>
11 years agoath9k_htc: Fix an endian issue
Sujith Manoharan [Sun, 27 Feb 2011 03:53:52 +0000 (09:23 +0530)]
ath9k_htc: Fix an endian issue

The stream length/tag fields have to be in little endian
format. Fixing this makes the driver work on big-endian

Signed-off-by: Sujith Manoharan <>
Signed-off-by: John W. Linville <>
11 years agobnx2x: Add a missing bit for PXP parity register of 57712.
Vladislav Zolotarov [Sun, 20 Feb 2011 04:27:05 +0000 (04:27 +0000)]
bnx2x: Add a missing bit for PXP parity register of 57712.

Signed-off-by: Vladislav Zolotarov <>
Signed-off-by: Eilon Greenstein <>
Signed-off-by: David S. Miller <>
11 years agodccp: Change maintainer
Arnaldo Carvalho de Melo [Sat, 26 Feb 2011 16:28:54 +0000 (16:28 +0000)]
dccp: Change maintainer

Today was as good as any other day, but I felt I had to do things I love
to when paying hommage to somebody I love, so please apply this one,
something he would be proud of, even if so geekly.

    Way past it was/is deserved.

Signed-off-by: Arnaldo Carvalho de Melo <>
Signed-off-by: David S. Miller <>
11 years agonet: handle addr_type of 0 properly
Hagen Paul Pfeifer [Fri, 25 Feb 2011 21:58:54 +0000 (13:58 -0800)]
net: handle addr_type of 0 properly

addr_type of 0 means that the type should be adopted from from_dev and
not from __hw_addr_del_multiple(). Unfortunately it isn't so and
addr_type will always be considered. Fix this by implementing the
considered and documented behavior.

Signed-off-by: Hagen Paul Pfeifer <>
Signed-off-by: David S. Miller <>
11 years agorndis_wlan: use power save only for BCM4320b
Jussi Kivilinna [Thu, 24 Feb 2011 10:25:42 +0000 (12:25 +0200)]
rndis_wlan: use power save only for BCM4320b

BCM4320a breaks when enabling power save (bug 29732). So disable power save
for anything but BCM4320b that is known to work.

Signed-off-by: Jussi Kivilinna <>
Signed-off-by: John W. Linville <>
11 years agocarl9170: add Airlive X.USB a/b/g/n USBID
Jan Puk [Tue, 22 Feb 2011 13:49:43 +0000 (14:49 +0100)]
carl9170: add Airlive X.USB a/b/g/n USBID

"AirLive X.USB now works perfectly under a Linux

Cc: <>
Signed-off-by: Christian Lamparter <>
Signed-off-by: John W. Linville <>
11 years agoath9k: correct ath9k_hw_set_interrupts
Stanislaw Gruszka [Mon, 21 Feb 2011 14:02:41 +0000 (15:02 +0100)]
ath9k: correct ath9k_hw_set_interrupts

Commit 4df3071ebd92ef7115b409da64d0eb405d24a631 "ath9k_hw: optimize
interrupt mask changes", changed ath9k_hw_set_interrupts function to
enable interrupts regardless of function argument, what could possibly
be wrong. Correct that behaviour and check "ints" arguments before
enabling interrupts, also disable interrupts if ints do not have
ATH9K_INT_GLOBAL flag set.

Signed-off-by: Stanislaw Gruszka <>
Signed-off-by: John W. Linville <>
11 years agoMerge branch 'wireless-2.6' of git://
John W. Linville [Fri, 25 Feb 2011 20:14:33 +0000 (15:14 -0500)]
Merge branch 'wireless-2.6' of git://git./linux/kernel/git/iwlwifi/iwlwifi-2.6

11 years agosysctl: ipv6: use correct net in ipv6_sysctl_rtcache_flush
Lucian Adrian Grijincu [Thu, 24 Feb 2011 19:48:03 +0000 (19:48 +0000)]
sysctl: ipv6: use correct net in ipv6_sysctl_rtcache_flush

Before this patch issuing these commands:

  fd = open("/proc/sys/net/ipv6/route/flush")
  write(fd, "stuff")

would flush the newly created net, not the original one.

The equivalent ipv4 code is correct (stores the net inside ->extra1).
Acked-by: Daniel Lezcano <>
Signed-off-by: David S. Miller <>
11 years agoskge: don't mark carrier down at start
Stephen Hemminger [Wed, 23 Feb 2011 14:52:43 +0000 (14:52 +0000)]
skge: don't mark carrier down at start

The API for network devices has changed so that setting carrier off at
probe is no longer required.  This should fix the IPv6 addrconf issue.


Signed-off-by: Stephen Hemminger <>
Reported-by: George Billios <>
Cc: David Miller <>
Signed-off-by: Andrew Morton <>
Signed-off-by: David S. Miller <>
11 years agoMerge branch 'r8169-davem' of git://
David S. Miller [Wed, 23 Feb 2011 23:03:11 +0000 (15:03 -0800)]
Merge branch 'r8169-davem' of git://git./linux/kernel/git/romieu/netdev-2.6

11 years agoAdded support for usb ethernet (0x0fe6, 0x9700)
Shahar Havivi [Tue, 22 Feb 2011 04:41:11 +0000 (04:41 +0000)]
Added support for usb ethernet (0x0fe6, 0x9700)

The device is very similar to (0x0fe6, 0x8101),
And works well with dm9601 driver.

Signed-off-by: Shahar Havivi <>
Acked-by: Peter Korsgaard <>
Signed-off-by: David S. Miller <>
11 years agor8169: fix RTL8168DP power off issue.
Hayes Wang [Tue, 22 Feb 2011 09:26:22 +0000 (17:26 +0800)]
r8169: fix RTL8168DP power off issue.

- fix the RTL8111DP turn off the power when DASH is enabled.
- RTL_GIGA_MAC_VER_27 must wait for tx finish before reset.

Signed-off-by: Hayes Wang <>
Acked-by: Francois Romieu <>
11 years agor8169: correct settings of rtl8102e.
Hayes Wang [Tue, 22 Feb 2011 09:26:19 +0000 (17:26 +0800)]
r8169: correct settings of rtl8102e.

Adjust and remove certain settings of RTL8102E which are for previous chips.

Signed-off-by: Hayes Wang <>
Acked-off-by: Francois Romieu <>
11 years agor8169: fix incorrect args to oob notify.
Hayes Wang [Tue, 22 Feb 2011 09:26:20 +0000 (17:26 +0800)]
r8169: fix incorrect args to oob notify.

It results in the wrong point address and influences RTL8168DP.

Signed-off-by: Hayes Wang <>
Acked-by: Francois Romieu <>
11 years agoDM9000B: Fix PHY power for network down/up
Henry Nestler [Tue, 22 Feb 2011 11:29:42 +0000 (11:29 +0000)]
DM9000B: Fix PHY power for network down/up

DM9000 revision B needs 1 ms delay after PHY power-on.
PHY must be powered on by writing 0 into register DM9000_GPR before
all other settings will change (see Davicom spec and example code).

Remember, that register DM9000_GPR was not changed by reset sequence.

Without this fix the FIFO is out of sync and sends wrong data after
sequence of "ifconfig ethX down ; ifconfig ethX up".

Signed-off-by: David S. Miller <>
11 years agoDM9000B: Fix reg_save after spin_lock in dm9000_timeout
Henry Nestler [Sun, 20 Feb 2011 11:44:58 +0000 (11:44 +0000)]
DM9000B: Fix reg_save after spin_lock in dm9000_timeout

The spin_lock should hold before reading register.

Signed-off-by: David S. Miller <>
11 years agonet_sched: long word align struct qdisc_skb_cb data
Eric Dumazet [Wed, 23 Feb 2011 07:05:07 +0000 (07:05 +0000)]
net_sched: long word align struct qdisc_skb_cb data

netem_skb_cb() does :

return (struct netem_skb_cb *)qdisc_skb_cb(skb)->data;

Unfortunatly struct qdisc_skb_cb data is not long word aligned, so
access to psched_time_t time_to_send uses a non aligned access.

Signed-off-by: Eric Dumazet <>
Signed-off-by: David S. Miller <>
11 years agoMerge branch 'master' of git://
David S. Miller [Tue, 22 Feb 2011 19:53:05 +0000 (11:53 -0800)]
Merge branch 'master' of git://git./linux/kernel/git/linville/wireless-2.6

11 years agosfc: lower stack usage in efx_ethtool_self_test
Eric Dumazet [Wed, 16 Feb 2011 03:48:38 +0000 (03:48 +0000)]
sfc: lower stack usage in efx_ethtool_self_test

drivers/net/sfc/ethtool.c: In function ‘efx_ethtool_self_test’:
drivers/net/sfc/ethtool.c:613: warning: the frame size of 1200 bytes
is larger than 1024 bytes

Signed-off-by: Eric Dumazet <>
Acked-by: Ben Hutchings <>
Signed-off-by: David S. Miller <>
11 years agobridge: Use IPv6 link-local address for multicast listener queries
Linus Lüssing [Thu, 17 Feb 2011 08:17:52 +0000 (08:17 +0000)]
bridge: Use IPv6 link-local address for multicast listener queries

Currently the bridge multicast snooping feature periodically issues
IPv6 general multicast listener queries to sense the absence of a

For this, it uses :: as its source address - however RFC 2710 requires:
"To be valid, the Query message MUST come from a link-local IPv6 Source
Address". Current Linux kernel versions seem to follow this requirement
and ignore our bogus MLD queries.

With this commit a link local address from the bridge interface is being
used to issue the MLD query, resulting in other Linux devices which are
multicast listeners in the network to respond with a MLD response (which
was not the case before).

Signed-off-by: Linus Lüssing <>
Signed-off-by: David S. Miller <>
11 years agobridge: Fix MLD queries' ethernet source address
Linus Lüssing [Thu, 17 Feb 2011 08:17:51 +0000 (08:17 +0000)]
bridge: Fix MLD queries' ethernet source address

Map the IPv6 header's destination multicast address to an ethernet
source address instead of the MLD queries multicast address.

For instance for a general MLD query (multicast address in the MLD query
set to ::), this would wrongly be mapped to 33:33:00:00:00:00, although
an MLD queries destination MAC should always be 33:33:00:00:00:01 which
matches the IPv6 header's multicast destination ff02::1.

Signed-off-by: Linus Lüssing <>
Signed-off-by: David S. Miller <>
11 years agobridge: Allow mcast snooping for transient link local addresses too
Linus Lüssing [Tue, 15 Feb 2011 13:19:21 +0000 (13:19 +0000)]
bridge: Allow mcast snooping for transient link local addresses too

Currently the multicast bridge snooping support is not active for
link local multicast. I assume this has been done to leave
important multicast data untouched, like IPv6 Neighborhood Discovery.

In larger, bridged, local networks it could however be desirable to
optimize for instance local multicast audio/video streaming too.

With the transient flag in IPv6 multicast addresses we have an easy
way to optimize such multimedia traffic without tempering with the
high priority multicast data from well-known addresses.

This patch alters the multicast bridge snooping for IPv6, to take
effect for transient multicast addresses instead of non-link-local

Signed-off-by: Linus Lüssing <>
Signed-off-by: David S. Miller <>
11 years agoipv6: Add IPv6 multicast address flag defines
Linus Lüssing [Tue, 15 Feb 2011 13:19:20 +0000 (13:19 +0000)]
ipv6: Add IPv6 multicast address flag defines

This commit adds the missing IPv6 multicast address flag defines to
complement the already existing multicast address scope defines and to
be able to check these flags nicely in the future.

Signed-off-by: Linus Lüssing <>
Signed-off-by: David S. Miller <>
11 years agobridge: Add missing ntohs()s for MLDv2 report parsing
Linus Lüssing [Tue, 15 Feb 2011 13:19:19 +0000 (13:19 +0000)]
bridge: Add missing ntohs()s for MLDv2 report parsing

The nsrcs number is 2 Byte wide, therefore we need to call ntohs()
before using it.

Signed-off-by: Linus Lüssing <>
Signed-off-by: David S. Miller <>
11 years agobridge: Fix IPv6 multicast snooping by correcting offset in MLDv2 report
Linus Lüssing [Tue, 15 Feb 2011 13:19:18 +0000 (13:19 +0000)]
bridge: Fix IPv6 multicast snooping by correcting offset in MLDv2 report

We actually want a pointer to the grec_nsrcr and not the following
field. Otherwise we can get very high values for *nsrcs as the first two
bytes of the IPv6 multicast address are being used instead, leading to
a failing pskb_may_pull() which results in MLDv2 reports not being

Signed-off-by: Linus Lüssing <>
Signed-off-by: David S. Miller <>
11 years agobridge: Fix IPv6 multicast snooping by storing correct protocol type
Linus Lüssing [Tue, 15 Feb 2011 13:19:17 +0000 (13:19 +0000)]
bridge: Fix IPv6 multicast snooping by storing correct protocol type

The protocol type for IPv6 entries in the hash table for multicast
bridge snooping is falsely set to ETH_P_IP, marking it as an IPv4
address, instead of setting it to ETH_P_IPV6, which results in negative
look-ups in the hash table later.

Signed-off-by: Linus Lüssing <>
Signed-off-by: David S. Miller <>
11 years agop54pci: update receive dma buffers before and after processing
Christian Lamparter [Fri, 11 Feb 2011 00:48:42 +0000 (01:48 +0100)]
p54pci: update receive dma buffers before and after processing

Documentation/DMA-API-HOWTO.txt states:

"DMA transfers need to be synced properly in order for
the cpu and device to see the most uptodate and correct
copy of the DMA buffer."

Cc: <>
Signed-off-by: Christian Lamparter <>
Signed-off-by: John W. Linville <>
11 years agofix cfg80211_wext_siwfreq lock ordering...
Daniel J Blueman [Mon, 21 Feb 2011 16:11:06 +0000 (00:11 +0800)]
fix cfg80211_wext_siwfreq lock ordering...

I previously managed to reproduce a hang while scanning wireless
channels (reproducible with airodump-ng hopping channels); subsequent
lockdep instrumentation revealed a lock ordering issue.

Without knowing the design intent, it looks like the locks should be
taken in reverse order; please comment.

[ INFO: possible circular locking dependency detected ]
2.6.38-rc5-341cd #4
airodump-ng/15445 is trying to acquire lock:
 (&rdev->devlist_mtx){+.+.+.}, at: [<ffffffff816b1266>]

but task is already holding lock:
 (&wdev->mtx){+.+.+.}, at: [<ffffffff816b125c>] cfg80211_wext_siwfreq+0xbc/0x100

which lock already depends on the new lock.

the existing dependency chain (in reverse order) is:

-> #1 (&wdev->mtx){+.+.+.}:
       [<ffffffff810a79d6>] lock_acquire+0xc6/0x280
       [<ffffffff816d6bce>] mutex_lock_nested+0x6e/0x4b0
       [<ffffffff81696080>] cfg80211_netdev_notifier_call+0x430/0x5f0
       [<ffffffff8109351b>] notifier_call_chain+0x8b/0x100
       [<ffffffff810935b1>] raw_notifier_call_chain+0x11/0x20
       [<ffffffff81576d92>] call_netdevice_notifiers+0x32/0x60
       [<ffffffff815771a4>] __dev_notify_flags+0x34/0x80
       [<ffffffff81577230>] dev_change_flags+0x40/0x70
       [<ffffffff8158587c>] do_setlink+0x1fc/0x8d0
       [<ffffffff81586042>] rtnl_setlink+0xf2/0x140
       [<ffffffff81586923>] rtnetlink_rcv_msg+0x163/0x270
       [<ffffffff8159d741>] netlink_rcv_skb+0xa1/0xd0
       [<ffffffff815867b0>] rtnetlink_rcv+0x20/0x30
       [<ffffffff8159d39a>] netlink_unicast+0x2ba/0x300
       [<ffffffff8159dd57>] netlink_sendmsg+0x267/0x3e0
       [<ffffffff8155e364>] sock_sendmsg+0xe4/0x110
       [<ffffffff8155f3a3>] sys_sendmsg+0x253/0x3b0
       [<ffffffff81003192>] system_call_fastpath+0x16/0x1b

-> #0 (&rdev->devlist_mtx){+.+.+.}:
       [<ffffffff810a7222>] __lock_acquire+0x1622/0x1d10
       [<ffffffff810a79d6>] lock_acquire+0xc6/0x280
       [<ffffffff816d6bce>] mutex_lock_nested+0x6e/0x4b0
       [<ffffffff816b1266>] cfg80211_wext_siwfreq+0xc6/0x100
       [<ffffffff816b2fad>] ioctl_standard_call+0x5d/0xd0
       [<ffffffff816b3223>] T.808+0x163/0x170
       [<ffffffff816b326a>] wext_handle_ioctl+0x3a/0x90
       [<ffffffff815798d2>] dev_ioctl+0x6f2/0x830
       [<ffffffff8155cf3d>] sock_ioctl+0xfd/0x290
       [<ffffffff8117dffd>] do_vfs_ioctl+0x9d/0x590
       [<ffffffff8117e53a>] sys_ioctl+0x4a/0x80
       [<ffffffff81003192>] system_call_fastpath+0x16/0x1b

other info that might help us debug this:

2 locks held by airodump-ng/15445:
 #0:  (rtnl_mutex){+.+.+.}, at: [<ffffffff81586782>] rtnl_lock+0x12/0x20
 #1:  (&wdev->mtx){+.+.+.}, at: [<ffffffff816b125c>]

stack backtrace:
Pid: 15445, comm: airodump-ng Not tainted 2.6.38-rc5-341cd #4
Call Trace:
 [<ffffffff810a3f0a>] ? print_circular_bug+0xfa/0x100
 [<ffffffff810a7222>] ? __lock_acquire+0x1622/0x1d10
 [<ffffffff810a1f99>] ? trace_hardirqs_off_caller+0x29/0xc0
 [<ffffffff810a79d6>] ? lock_acquire+0xc6/0x280
 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
 [<ffffffff810a31d7>] ? mark_held_locks+0x67/0x90
 [<ffffffff816d6bce>] ? mutex_lock_nested+0x6e/0x4b0
 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
 [<ffffffff810a31d7>] ? mark_held_locks+0x67/0x90
 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
 [<ffffffff816b1266>] ? cfg80211_wext_siwfreq+0xc6/0x100
 [<ffffffff816b2fad>] ? ioctl_standard_call+0x5d/0xd0
 [<ffffffff8157818b>] ? __dev_get_by_name+0x9b/0xc0
 [<ffffffff816b2f50>] ? ioctl_standard_call+0x0/0xd0
 [<ffffffff816b3223>] ? T.808+0x163/0x170
 [<ffffffff8112ddf2>] ? might_fault+0x72/0xd0
 [<ffffffff816b326a>] ? wext_handle_ioctl+0x3a/0x90
 [<ffffffff8112de3b>] ? might_fault+0xbb/0xd0
 [<ffffffff815798d2>] ? dev_ioctl+0x6f2/0x830
 [<ffffffff810a1bae>] ? put_lock_stats+0xe/0x40
 [<ffffffff810a1c8c>] ? lock_release_holdtime+0xac/0x150
 [<ffffffff8155cf3d>] ? sock_ioctl+0xfd/0x290
 [<ffffffff8117dffd>] ? do_vfs_ioctl+0x9d/0x590
 [<ffffffff8116c8ff>] ? fget_light+0x1df/0x3c0
 [<ffffffff8117e53a>] ? sys_ioctl+0x4a/0x80
 [<ffffffff81003192>] ? system_call_fastpath+0x16/0x1b

Signed-off-by: Daniel J Blueman <>
Acked-by: Johannes Berg <>
Signed-off-by: John W. Linville <>
11 years agort2x00: Fix WPA TKIP Michael MIC failures.
Gertjan van Wingerde [Sun, 30 Jan 2011 12:22:41 +0000 (13:22 +0100)]
rt2x00: Fix WPA TKIP Michael MIC failures.

As reported and found by Johannes Stezenbach:
rt2800{pci,usb} do not report the Michael MIC in RXed frames, but do check
the Michael MIC in hardware. Therefore we have to report to mac80211 that the
received frame does not include the Michael MIC.

Signed-off-by: Gertjan van Wingerde <>
Signed-off-by: Ivo van Doorn <>
Signed-off-by: John W. Linville <>
11 years agoiwlagn: Support new 5000 microcode.
Fry, Donald H [Wed, 16 Feb 2011 19:49:34 +0000 (11:49 -0800)]
iwlagn: Support new 5000 microcode.

New iwlwifi-5000 microcode requires driver support for API version 5.

Signed-off-by: Don Fry <>
Signed-off-by: Wey-Yi Guy <>
11 years agoath5k: Fix fast channel switching
Nick Kossifidis [Thu, 3 Feb 2011 23:41:02 +0000 (01:41 +0200)]
ath5k: Fix fast channel switching

Fast channel change fixes:

a) Always set OFDM timings
b) Don't re-activate PHY
c) Enable only NF calibration, not AGC

Signed-off-by: Nick Kossifidis <>
Signed-off-by: John W. Linville <>
11 years agotcp: undo_retrans counter fixes
Yuchung Cheng [Mon, 7 Feb 2011 12:57:04 +0000 (12:57 +0000)]
tcp: undo_retrans counter fixes

Fix a bug that undo_retrans is incorrectly decremented when undo_marker is
not set or undo_retrans is already 0. This happens when sender receives
more DSACK ACKs than packets retransmitted during the current
undo phase. This may also happen when sender receives DSACK after
the undo operation is completed or cancelled.

Fix another bug that undo_retrans is incorrectly incremented when
sender retransmits an skb and tcp_skb_pcount(skb) > 1 (TSO). This case
is rare but not impossible.

Signed-off-by: Yuchung Cheng <>
Acked-by: Ilpo Järvinen <>
Signed-off-by: David S. Miller <>
11 years agonet: Fix more stale on-stack list_head objects.
Eric W. Biederman [Sun, 20 Feb 2011 19:49:45 +0000 (11:49 -0800)]
net: Fix more stale on-stack list_head objects.

From: Eric W. Biederman <>

In the beginning with batching unreg_list was a list that was used only
once in the lifetime of a network device (I think).  Now we have calls
using the unreg_list that can happen multiple times in the life of a
network device like dev_deactivate and dev_close that are also using the
unreg_list.  In addition in unregister_netdevice_queue we also do a
list_move because for devices like veth pairs it is possible that
unregister_netdevice_queue will be called multiple times.

So I think the change below to fix dev_deactivate which Eric D. missed
will fix this problem.  Now to go test that.

Signed-off-by: David S. Miller <>
11 years agosctp: fix reporting of unknown parameters
Jiri Bohac [Thu, 17 Feb 2011 13:12:08 +0000 (13:12 +0000)]
sctp: fix reporting of unknown parameters

commit 5fa782c2f5ef6c2e4f04d3e228412c9b4a4c8809 re-worked the
handling of unknown parameters. sctp_init_cause_fixed() can now
return -ENOSPC if there is not enough tailroom in the error
chunk skb. When this happens, the error header is not appended to
the error chunk. In that case, the payload of the unknown parameter
should not be appended either.

Signed-off-by: Jiri Bohac <>
Acked-by: Vlad Yasevich <>
Signed-off-by: David S. Miller <>
11 years agonet: dcb: match dcb_app protocol field with 802.1Qaz spec
John Fastabend [Fri, 18 Feb 2011 13:30:17 +0000 (13:30 +0000)]
net: dcb: match dcb_app protocol field with 802.1Qaz spec

The dcb_app protocol field is a __u32 however the 802.1Qaz
specification defines it as a 16 bit field. This patch brings
the structure inline with the spec making it a __u16.

CC: Shmulik Ravid <>
Signed-off-by: John Fastabend <>
Signed-off-by: David S. Miller <>
11 years agotcp: fix inet_twsk_deschedule()
Eric Dumazet [Fri, 18 Feb 2011 22:35:56 +0000 (22:35 +0000)]
tcp: fix inet_twsk_deschedule()

Eric W. Biederman reported a lockdep splat in inet_twsk_deschedule()

This is caused by inet_twsk_purge(), run from process context,
and commit 575f4cd5a5b6394577 (net: Use rcu lookups in inet_twsk_purge.)
removed the BH disabling that was necessary.

Add the BH disabling but fine grained, right before calling
inet_twsk_deschedule(), instead of whole function.

With help from Linus Torvalds and Eric W. Biederman

Reported-by: Eric W. Biederman <>
Signed-off-by: Eric Dumazet <>
CC: Daniel Lezcano <>
CC: Pavel Emelyanov <>
CC: Arnaldo Carvalho de Melo <>
CC: stable <> (# 2.6.33+)
Signed-off-by: David S. Miller <>
11 years agoMerge branch 'master' of git://
David S. Miller [Sun, 20 Feb 2011 00:42:37 +0000 (16:42 -0800)]
Merge branch 'master' of git://git./linux/kernel/git/kaber/nf-2.6

11 years agoMerge branch 'rtc-for-linus' of git://
Linus Torvalds [Fri, 18 Feb 2011 22:20:46 +0000 (14:20 -0800)]
Merge branch 'rtc-for-linus' of git://git./linux/kernel/git/tip/linux-2.6-tip

* 'rtc-for-linus' of git://
  RTC: Re-enable UIE timer/polling emulation
  RTC: Revert UIE emulation removal
  RTC: Release mutex in error path of rtc_alarm_irq_enable

11 years agoMerge git://
Linus Torvalds [Fri, 18 Feb 2011 22:15:05 +0000 (14:15 -0800)]
Merge git://git./linux/kernel/git/davem/net-2.6

* git:// (37 commits)
  net: deinit automatic LIST_HEAD
  net: dont leave active on stack LIST_HEAD
  net: provide default_advmss() methods to blackhole dst_ops
  tg3: Restrict phy ioctl access
  drivers/net: Call netif_carrier_off at the end of the probe
  ixgbe: work around for DDP last buffer size
  ixgbe: fix panic due to uninitialised pointer
  e1000e: flush all writebacks before unload
  e1000e: check down flag in tasks
  isdn: hisax: Use l2headersize() instead of dup (and buggy) func.
  arp_notify: unconditionally send gratuitous ARP for NETDEV_NOTIFY_PEERS.
  cxgb4vf: Use defined Mailbox Timeout
  cxgb4vf: Quiesce Virtual Interfaces on shutdown ...
  cxgb4vf: Behave properly when CONFIG_DEBUG_FS isn't defined ...
  cxgb4vf: Check driver parameters in the right place ...
  pch_gbe: Fix the MAC Address load issue.
  iwlwifi: Delete iwl3945_good_plcp_health.
  net/can/softing: make CAN_SOFTING_CS depend on CAN_SOFTING
  netfilter: nf_iterate: fix incorrect RCU usage
  pch_gbe: Fix the issue that the receiving data is not normal.

11 years agoath5k: Correct channel setting for AR2317 chip
Nikolay Ledovskikh [Fri, 18 Feb 2011 16:59:53 +0000 (19:59 +0300)]
ath5k: Correct channel setting for AR2317 chip

Correct channel setting function must be used for AR2317.
When I tested ahb patch on bullet2 all seemed to work fine,
but it couldn't connect another host (using ibss for example).
During an analysis I observed that it's transmitting on another
channel. I looked into madwifi code and understood that
the problem is in channel setting function. So atheros RF2317 not
fully handled in the current ath5k version and must be patched.

Signed-off-by: Nikolay Ledovskikh <>
Acked-by: Bob Copeland <>
Signed-off-by: John W. Linville <>
11 years agowireless: rt2x00: rt2800pci.c: add two ids
Xose Vazquez Perez [Fri, 18 Feb 2011 13:27:09 +0000 (14:27 +0100)]
wireless: rt2x00: rt2800pci.c: add two ids

taken two RT35XX EDIMAX from DPO_RT3562_3592_3062_LinuxSTA_V2.4.1.1_20101217

Signed-off-by: Xose Vazquez Perez <>
Acked-by: Ivo van Doorn <>
Signed-off-by: John W. Linville <>
11 years agomac80211: fix conn_mon_timer running after disassociate
Stanislaw Gruszka [Fri, 18 Feb 2011 08:05:08 +0000 (09:05 +0100)]
mac80211: fix conn_mon_timer running after disassociate

Low level driver could pass rx frames to us after disassociate, what
can lead to run conn_mon_timer by ieee80211_sta_rx_notify(). That
is obviously wrong, but nothing happens until we unload modules and
resources are used after free. If kernel debugging is enabled following
warning could be observed:

WARNING: at lib/debugobjects.c:259 debug_print_object+0x65/0x70()
Hardware name: HP xw8600 Workstation
ODEBUG: free active (active state 0) object type: timer_list
Modules linked in: iwlagn(-) iwlcore mac80211 cfg80211 aes_x86_64 aes_generic fuse cpufreq_ondemand acpi_cpufreq freq_table mperf xt_physdev ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 ext3 jbd dm_mirror dm_region_hash dm_log dm_mod uinput hp_wmi sparse_keymap sg wmi arc4 microcode serio_raw ecb tg3 shpchp rfkill ext4 mbcache jbd2 sr_mod cdrom sd_mod crc_t10dif firewire_ohci firewire_core crc_itu_t mptsas mptscsih mptbase scsi_transport_sas ahci libahci pata_acpi ata_generic ata_piix floppy nouveau ttm drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: cfg80211]
Pid: 13827, comm: rmmod Tainted: G        W   2.6.38-rc4-wl+ #22
Call Trace:
 [<ffffffff810649cf>] ? warn_slowpath_common+0x7f/0xc0
 [<ffffffff81064ac6>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffff81226fc5>] ? debug_print_object+0x65/0x70
 [<ffffffff81227625>] ? debug_check_no_obj_freed+0x125/0x210
 [<ffffffff8109ebd7>] ? debug_check_no_locks_freed+0xf7/0x170
 [<ffffffff81156092>] ? kfree+0xc2/0x2f0
 [<ffffffff813ec5c5>] ? netdev_release+0x45/0x60
 [<ffffffff812f1067>] ? device_release+0x27/0xa0
 [<ffffffff81216ddd>] ? kobject_release+0x8d/0x1a0
 [<ffffffff81216d50>] ? kobject_release+0x0/0x1a0
 [<ffffffff812183b7>] ? kref_put+0x37/0x70
 [<ffffffff81216c57>] ? kobject_put+0x27/0x60
 [<ffffffff813d5d1b>] ? netdev_run_todo+0x1ab/0x270
 [<ffffffff813e771e>] ? rtnl_unlock+0xe/0x10
 [<ffffffffa0581188>] ? ieee80211_unregister_hw+0x58/0x120 [mac80211]
 [<ffffffffa0377ed7>] ? iwl_pci_remove+0xdb/0x22a [iwlagn]
 [<ffffffff8123cde2>] ? pci_device_remove+0x52/0x120
 [<ffffffff812f5205>] ? __device_release_driver+0x75/0xe0
 [<ffffffff812f5348>] ? driver_detach+0xd8/0xe0
 [<ffffffff812f4111>] ? bus_remove_driver+0x91/0x100
 [<ffffffff812f5b62>] ? driver_unregister+0x62/0xa0
 [<ffffffff8123d194>] ? pci_unregister_driver+0x44/0xa0
 [<ffffffffa0377df5>] ? iwl_exit+0x15/0x1c [iwlagn]
 [<ffffffff810ab492>] ? sys_delete_module+0x1a2/0x270
 [<ffffffff81498889>] ? trace_hardirqs_on_thunk+0x3a/0x3f
 [<ffffffff8100bf42>] ? system_call_fastpath+0x16/0x1b

Acked-by: Johannes Berg <>
Signed-off-by: Stanislaw Gruszka <>
Signed-off-by: John W. Linville <>
11 years agoMerge branch 'master' of git://
John W. Linville [Fri, 18 Feb 2011 21:43:51 +0000 (16:43 -0500)]
Merge branch 'master' of git://git./linux/kernel/git/padovan/bluetooth-2.6

11 years agoMerge branch 'for-linus/bugfixes' of git://
Linus Torvalds [Fri, 18 Feb 2011 20:44:41 +0000 (12:44 -0800)]
Merge branch 'for-linus/bugfixes' of git://

* 'for-linus/bugfixes' of git://
  xen: suspend and resume system devices when running PVHVM

11 years agoMerge branch 'fixes-2.6.38' of git://
Linus Torvalds [Fri, 18 Feb 2011 20:36:06 +0000 (12:36 -0800)]
Merge branch 'fixes-2.6.38' of git://git./linux/kernel/git/tj/wq

* 'fixes-2.6.38' of git://
  workqueue: make sure MAYDAY_INITIAL_TIMEOUT is at least 2 jiffies long
  workqueue, freezer: unify spelling of 'freeze' + 'able' to 'freezable'
  workqueue: wake up a worker when a rescuer is leaving a gcwq

11 years agonet: deinit automatic LIST_HEAD
Eric Dumazet [Thu, 17 Feb 2011 22:59:19 +0000 (22:59 +0000)]
net: deinit automatic LIST_HEAD

commit 9b5e383c11b08784 (net: Introduce
unregister_netdevice_many()) left an active LIST_HEAD() in
rollback_registered(), with possible memory corruption.

Even if device is freed without touching its unreg_list (and therefore
touching the previous memory location holding LISTE_HEAD(single), better
close the bug for good, since its really subtle.

(Same fix for default_device_exit_batch() for completeness)

Reported-by: Michal Hocko <>
Tested-by: Michal Hocko <>
Reported-by: Eric W. Biderman <>
Tested-by: Eric W. Biderman <>
Signed-off-by: Linus Torvalds <>
Signed-off-by: Eric Dumazet <>
CC: Ingo Molnar <>
CC: Octavian Purdila <>
CC: stable <> [.33+]
Signed-off-by: David S. Miller <>
11 years agonet: dont leave active on stack LIST_HEAD
Linus Torvalds [Thu, 17 Feb 2011 22:54:38 +0000 (22:54 +0000)]
net: dont leave active on stack LIST_HEAD

Eric W. Biderman and Michal Hocko reported various memory corruptions
that we suspected to be related to a LIST head located on stack, that
was manipulated after thread left function frame (and eventually exited,
so its stack was freed and reused).

Eric Dumazet suggested the problem was probably coming from commit
443457242beb (net: factorize
sync-rcu call in unregister_netdevice_many)

This patch fixes __dev_close() and dev_close() to properly deinit their
respective LIST_HEAD(single) before exiting.


Reported-by: Michal Hocko <>
Tested-by: Michal Hocko <>
Reported-by: Eric W. Biderman <>
Tested-by: Eric W. Biderman <>
Signed-off-by: Linus Torvalds <>
Signed-off-by: Eric Dumazet <>
CC: Ingo Molnar <>
CC: Octavian Purdila <>
Signed-off-by: David S. Miller <>
11 years agonet: provide default_advmss() methods to blackhole dst_ops
Eric Dumazet [Fri, 18 Feb 2011 19:39:01 +0000 (11:39 -0800)]
net: provide default_advmss() methods to blackhole dst_ops

Commit 0dbaee3b37e118a (net: Abstract default ADVMSS behind an
accessor.) introduced a possible crash in tcp_connect_init(), when
dst->default_advmss() is called from dst_metric_advmss()

Reported-by: George Spelvin <>
Signed-off-by: Eric Dumazet <>
Signed-off-by: David S. Miller <>
11 years agoExpand CONFIG_DEBUG_LIST to several other list operations
Linus Torvalds [Fri, 18 Feb 2011 19:32:28 +0000 (11:32 -0800)]
Expand CONFIG_DEBUG_LIST to several other list operations

When list debugging is enabled, we aim to readably show list corruption
errors, and the basic list_add/list_del operations end up having extra
debugging code in them to do some basic validation of the list entries.

However, "list_del_init()" and "list_move[_tail]()" ended up avoiding
the debug code due to how they were written. This fixes that.

So the _next_ time we have list_move() problems with stale list entries,
we'll hopefully have an easier time finding them..

Signed-off-by: Linus Torvalds <>
11 years agoMerge branch 'pm-fixes' of git://
Linus Torvalds [Fri, 18 Feb 2011 01:52:36 +0000 (17:52 -0800)]
Merge branch 'pm-fixes' of git://git./linux/kernel/git/rafael/suspend-2.6

* 'pm-fixes' of git://
  PM / Hibernate: Return error code when alloc_image_page() fails

11 years agoMerge branch 'drm-fixes' of git://
Linus Torvalds [Fri, 18 Feb 2011 01:52:17 +0000 (17:52 -0800)]
Merge branch 'drm-fixes' of git://git./linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://
  drm/radeon/kms: add missing frac fb div flag for dce4+
  drm/radeon/kms: do not reject X16 and Y16X16 floating-point formats on r300
  drm/nouveau: fix suspend/resume on GPUs that don't have PM support
  drm/nouveau: flips/flipd need to always set 'evict' for move_accel_cleanup()
  drm/nv40: fix tiling-related setup for a number of chipsets
  drm/nouveau: fix non-EDIDful native mode selection
  drm/nouveau: Fix detection of DDC-based LVDS on DCB15 boards.
  drm/nv04-nv40: Fix NULL dereference when we fail to find an LVDS native mode.
  drm/nv10: Fix crash when allocating a BO larger than half the available VRAM.

11 years agoMerge branch 'for-linus' of git://
Linus Torvalds [Fri, 18 Feb 2011 01:51:52 +0000 (17:51 -0800)]
Merge branch 'for-linus' of git://git./linux/kernel/git/roland/infiniband

* 'for-linus' of git://
  IB/qib: Prevent double completions after a timeout or RNR error
  IB/qib: Fix double add_timer()
  RDMA/nes: Don't generate async events for unregistered devices

11 years agoMerge git://
Linus Torvalds [Fri, 18 Feb 2011 01:51:27 +0000 (17:51 -0800)]
Merge git://git./linux/kernel/git/davem/sparc-2.6

* git://
  sparc64: Fix NMI startup bug which also breaks perf.
  sparc: fix size argument to find_next_zero_bit()
  sparc: use bitmap_set()
  sparc32: unaligned memory access (MNA) trap handler bug

11 years agofs/partitions: Validate map_count in Mac partition tables
Timo Warns [Thu, 17 Feb 2011 21:27:40 +0000 (22:27 +0100)]
fs/partitions: Validate map_count in Mac partition tables

Validate number of blocks in map and remove redundant variable.

Signed-off-by: Timo Warns <>
Signed-off-by: Linus Torvalds <>
11 years agoRTC: Re-enable UIE timer/polling emulation
John Stultz [Sat, 12 Feb 2011 02:15:23 +0000 (18:15 -0800)]
RTC: Re-enable UIE timer/polling emulation

This patch re-enables UIE timer/polling emulation for rtc devices
that do not support alarm irqs.

CC: Uwe Kleine-König <>
CC: Thomas Gleixner <>
Reported-by: Uwe Kleine-König <>
Tested-by: Uwe Kleine-König <>
Signed-off-by: John Stultz <>
11 years agoRTC: Revert UIE emulation removal
John Stultz [Sat, 12 Feb 2011 01:45:40 +0000 (17:45 -0800)]
RTC: Revert UIE emulation removal

Uwe pointed out that my alarm based UIE emulation is not sufficient
to replace the older timer/polling based UIE emulation on devices
where there is no alarm irq. This causes rtc devices without alarms
to return -EINVAL to UIE ioctls. The fix is to re-instate the old
timer/polling method for devices without alarm irqs.

This patch reverts the following commits:
042620a018afcfba1d678062b62e46 - Remove UIE emulation
1daeddd5962acad1bea55e524fc0fa - Cleanup removed UIE emulation declaration
b5cc8ca1c9c3a37eaddf709b2fd3e1 - Remove Kconfig symbol for UIE emulation

The emulation mode will still need to be wired-in with a following
patch before it will work.

CC: Uwe Kleine-König <>
CC: Thomas Gleixner <>
Reported-by: Uwe Kleine-König <>
Signed-off-by: John Stultz <>
11 years agoRTC: Release mutex in error path of rtc_alarm_irq_enable
Uwe Kleine-König [Mon, 14 Feb 2011 10:33:17 +0000 (11:33 +0100)]
RTC: Release mutex in error path of rtc_alarm_irq_enable

On hardware that doesn't support alarm interrupts, rtc_alarm_irq_enable
could return without releasing the ops_lock mutex.

This was introduced in
aa0be0f (RTC: Propagate error handling via rtc_timer_enqueue properly)

This patch corrects the issue by only returning once the mutex is

[john.stultz: Reworded the commit log]

Signed-off-by: Uwe Kleine-König <>
Signed-off-by: John Stultz <>
11 years agotg3: Restrict phy ioctl access
Matt Carlson [Tue, 15 Feb 2011 12:51:10 +0000 (12:51 +0000)]
tg3: Restrict phy ioctl access

If management firmware is present and the device is down, the firmware
will assume control of the phy.  If a phy access were allowed from the
host, it will collide with firmware phy accesses, resulting in
unpredictable behavior.  This patch fixes the problem by disallowing phy
accesses during the problematic condition.

Signed-off-by: Matt Carlson <>
Reviewed-by: Michael Chan <>
Signed-off-by: David S. Miller <>
11 years agodrivers/net: Call netif_carrier_off at the end of the probe
Ivan Vecera [Tue, 15 Feb 2011 02:08:39 +0000 (02:08 +0000)]
drivers/net: Call netif_carrier_off at the end of the probe

Without calling of netif_carrier_off at the end of the probe the operstate
is unknown when the device is initially opened. By default the carrier is
on so when the device is opened and netif_carrier_on is called the link
watch event is not fired and operstate remains zero (unknown).

This patch fixes this behavior in forcedeth and r8169.

Signed-off-by: Ivan Vecera <>
Acked-by: Francois Romieu <>
Signed-off-by: David S. Miller <>
11 years agoMerge branches 'nes' and 'qib' into for-next
Roland Dreier [Thu, 17 Feb 2011 22:04:59 +0000 (14:04 -0800)]
Merge branches 'nes' and 'qib' into for-next

11 years agoIB/qib: Prevent double completions after a timeout or RNR error
Mike Marciniszyn [Wed, 16 Feb 2011 15:48:25 +0000 (15:48 +0000)]
IB/qib: Prevent double completions after a timeout or RNR error

There is a double completion associated with error handling for RC QPs.

The sequence is:

 - The do_rc_ack() routine fields an RNR nack and there are 0
   rnr_retries configured on the QP.
 - qib_error_qp() stops the pending timer
 - qib_rc_send_complete() is called from sdma_complete()
 - qib_rc_send_complete() starts the timer because the msb of the psn
   just completed says an ack is needed.
 - a bunch of flushes occur as ipoib posts WQEs to an error'ed QP
 - rc_timeout() calls qib_restart_rc()
 - qib_restart_rc() calls qib_send_complete() with a
   IB_WC_RETRY_EXC_ERR on a wqe that has already been completed in the

The fix avoids starting the timer since another packet will never

Signed-off-by: Mike Marciniszyn <>
Signed-off-by: Roland Dreier <>
11 years agonetfilter: ip6t_LOG: fix a flaw in printing the MAC
Joerg Marx [Thu, 17 Feb 2011 15:23:40 +0000 (16:23 +0100)]
netfilter: ip6t_LOG: fix a flaw in printing the MAC

The flaw was in skipping the second byte in MAC header due to increasing
the pointer AND indexed access starting at '1'.

Signed-off-by: Joerg Marx <>
Signed-off-by: Patrick McHardy <>
11 years agonetfilter: tproxy: do not assign timewait sockets to skb->sk
Florian Westphal [Thu, 17 Feb 2011 10:32:38 +0000 (11:32 +0100)]
netfilter: tproxy: do not assign timewait sockets to skb->sk

Assigning a socket in timewait state to skb->sk can trigger
kernel oops, e.g. in nfnetlink_log, which does:

if (skb->sk) {
        if (skb->sk->sk_socket && skb->sk->sk_socket->file) ...

in the timewait case, accessing sk->sk_callback_lock and sk->sk_socket
is invalid.

Either all of these spots will need to add a test for sk->sk_state != TCP_TIME_WAIT,
or xt_TPROXY must not assign a timewait socket to skb->sk.

This does the latter.

If a TW socket is found, assign the tproxy nfmark, but skip the skb->sk assignment,
thus mimicking behaviour of a '-m socket .. -j MARK/ACCEPT' re-routing rule.

The 'SYN to TW socket' case is left unchanged -- we try to redirect to the
listener socket.

Cc: Balazs Scheidler <>
Cc: KOVACS Krisztian <>
Signed-off-by: Florian Westphal <>
Signed-off-by: Patrick McHardy <>
11 years agoxen: suspend and resume system devices when running PVHVM
Ian Campbell [Thu, 17 Feb 2011 10:31:20 +0000 (10:31 +0000)]
xen: suspend and resume system devices when running PVHVM

Otherwise we fail to properly suspend/resume all of the emulated devices.

Something between 2.6.38-rc2 and rc3 appears to have exposed this
issue, but it's always been wrong not to do this.

Signed-off-by: Ian Campbell <>
Acked-by: Stefano Stabellini <>
Acked-by: Jeremy Fitzhardinge <>
11 years agoixgbe: work around for DDP last buffer size
Amir Hanania [Tue, 15 Feb 2011 09:11:31 +0000 (09:11 +0000)]
ixgbe: work around for DDP last buffer size

A HW limitation was recently discovered where the last buffer in a DDP offload
cannot be a full buffer size in length. Fix the issue with a work around by
adding another buffer with size = 1.

Signed-off-by: Amir Hanania <>
Tested-by: Ross Brattain <>
Signed-off-by: Jeff Kirsher <>
11 years agoixgbe: fix panic due to uninitialised pointer
Andy Gospodarek [Thu, 17 Feb 2011 09:13:13 +0000 (01:13 -0800)]
ixgbe: fix panic due to uninitialised pointer

Systems containing an 82599EB and running a backported driver from
upstream were panicing on boot.  It turns out hw->mac.ops.setup_sfp is
only set for 82599, so one should check to be sure that pointer is set
before continuing in ixgbe_sfp_config_module_task.  I verified by
inspection that the upstream driver has the same issue and also added a
check before the call in ixgbe_sfp_link_config.

Signed-off-by: Andy Gospodarek <>
Signed-off-by: Jeff Kirsher <>
11 years agoe1000e: flush all writebacks before unload
Jesse Brandeburg [Wed, 2 Feb 2011 10:19:50 +0000 (10:19 +0000)]
e1000e: flush all writebacks before unload

The driver was not flushing all writebacks before unloading, possibly
causing memory to be written by the hardware after the driver had
reinitialized the rings.

This adds missing functionality to flush any pending writebacks and is
called in all spots where descriptors should be completed before the driver
begins processing.

Signed-off-by: Jesse Brandeburg <>
Reviewed-by: Bruce Allan <>
Tested-by: Jeff Pieper <>
Signed-off-by: Jeff Kirsher <>
11 years agoe1000e: check down flag in tasks
Jesse Brandeburg [Wed, 2 Feb 2011 10:19:45 +0000 (10:19 +0000)]
e1000e: check down flag in tasks

This change is part of a fix to avoid any tasks running while the driver is
exiting and deinitializing resources.

Signed-off-by: Jesse Brandeburg <>
Tested-by: Jeff Pieper <>
Signed-off-by: Jeff Kirsher <>
11 years agoMerge branch 'for-2.6.38' of git://
Linus Torvalds [Thu, 17 Feb 2011 05:53:41 +0000 (21:53 -0800)]
Merge branch 'for-2.6.38' of git://

* 'for-2.6.38' of git://
  nfsd: correctly handle return value from nfsd_map_name_to_*

11 years agoMerge remote branch 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next into...
Dave Airlie [Thu, 17 Feb 2011 03:56:35 +0000 (13:56 +1000)]
Merge remote branch 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next into drm-fixes

* 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next:
  drm/nouveau: fix suspend/resume on GPUs that don't have PM support
  drm/nouveau: flips/flipd need to always set 'evict' for move_accel_cleanup()
  drm/nv40: fix tiling-related setup for a number of chipsets
  drm/nouveau: fix non-EDIDful native mode selection
  drm/nouveau: Fix detection of DDC-based LVDS on DCB15 boards.
  drm/nv04-nv40: Fix NULL dereference when we fail to find an LVDS native mode.
  drm/nv10: Fix crash when allocating a BO larger than half the available VRAM.

11 years agodrm/radeon/kms: add missing frac fb div flag for dce4+
Alex Deucher [Thu, 17 Feb 2011 02:17:04 +0000 (21:17 -0500)]
drm/radeon/kms: add missing frac fb div flag for dce4+

The fixed ref/post dividers are set by the AdjustPll table
rather than the ss info table on dce4+.  Make sure we enable
the fractional feedback dividers when using a fixed post
or ref divider on them as well.


Signed-off-by: Alex Deucher <>
Signed-off-by: Dave Airlie <>
11 years agodrm/radeon/kms: do not reject X16 and Y16X16 floating-point formats on r300
Marek Olšák [Wed, 16 Feb 2011 01:26:08 +0000 (02:26 +0100)]
drm/radeon/kms: do not reject X16 and Y16X16 floating-point formats on r300

Signed-off-by: Marek Olšák <>
Signed-off-by: Dave Airlie <>
11 years agodrm/nouveau: fix suspend/resume on GPUs that don't have PM support
Ben Skeggs [Thu, 17 Feb 2011 01:11:28 +0000 (11:11 +1000)]
drm/nouveau: fix suspend/resume on GPUs that don't have PM support

This has been broken since 2.6.37, and fixes resume on a couple of fermi
boards I have access to.

Signed-off-by: Ben Skeggs <>
11 years agoMerge branch 'spi/merge' of git://
Linus Torvalds [Thu, 17 Feb 2011 00:48:36 +0000 (16:48 -0800)]
Merge branch 'spi/merge' of git://

* 'spi/merge' of git://
  spi/pxa2xx pci: fix the release - remove race

11 years agoblock: revert block_dev read-only check
Chuck Ebbert [Wed, 16 Feb 2011 23:11:53 +0000 (18:11 -0500)]
block: revert block_dev read-only check

This reverts commit 75f1dc0d076d ("block: check bdev_read_only() from
blkdev_get()").  That commit added stricter checking to make sure
devices that were being used read-only were actually opened in that

It turns out that the change breaks a bunch of kernel code that opens
block devices.  Affected systems include dm, md, and the loop device.
Because strict checking for read-only opens of block devices was not
done before this, the code that opens the devices was opening them
read-write even if they were being used read-only.  Auditing all that
code will take time, and new userspace packages for dm, mdadm, etc.
will also be required.

Signed-off-by: Chuck Ebbert <>
Signed-off-by: Linus Torvalds <>