Commit Graph

362353 Commits

Author SHA1 Message Date
Guenter Roeck
a1fac92b8b hwmon: (tmp401) Add support for TMP431
TMP431 is compatible to TMP401.

Also add support for additional I2C addresses supported by TMP411B
and TMP411C.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
2013-04-07 21:16:42 -07:00
Guenter Roeck
58615a94f6 hwmon: (pmbus/lm25066) Add support for LM25056
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
e53e6497fc hwmon: (pmbus/lm25066) Refactor device specific coefficients
Initialize device specific coefficients from table instead of hard-coding it
to simplify adding additional chips.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
2507abb3a7 hwmon: (pmbus/lm25066) Clamp limit attributes
Limits on all supported sensors and chips have to be within 0..0x0fff,
and limits are always positive.

Clamp written values in chip driver. Also clear value cache to ensure
that the actually written value is read back and reported correctly.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
a7c69118bd hwmon: (pmbus/lm25066) Report VAUX as vmon
So far the driver reported the voltage on VAUX as "vout2". This was not
entirely appropriate as it is not an output voltage, and complicates
the code. Use the new virtual "VMON" register set and report the voltage
as "vmon" instead.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
6bf44cedab hwmon: (max6697) Use is_visible and sysfs_create_group
Simplify the code and reduce its size by using is_visible to determine
valid attributes, and sysfs_create_group to create all of them with
a single call.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
71bb2d211e hwmon: (adt7310) Fix sparse warning
Fix: drivers/hwmon/adt7310.c:51:16: sparse: cast to restricted __be16

Cc: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
fd9175d2f6 hwmon: (pmbus/ltc2978) Add support for LTC2974 and LTC3883
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
8c770f3a47 hwmon: (pmbus/ltc2978) Clean up documentation
Some sysfs attributes are only supported on LTC2978 and not on LTC3880.
Update documentation to reflect which attributes are supported for which chips.

Output current attributes supported on LTC3880 were described as providing
input current values. Fix text to reflect that the attributes provide output
current values.

"reset history" attribute descriptions were misleading and seemed to imply
that all history was reset when writing a single attribute. Replace with more
accurate text.

Replace 'internal temperature" with "chip temperature". Temperature limits
not only apply to the chip temperature, but also to external temperatures
on LTC3880, so remove the word "chip" from the attribute description.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
3d0d283993 hwmon: (pmbus/ltc2978) Code cleanup
Use u16 instead of int to store cached limit attributes.
This reduces allocated data size per driver instance by 48 bytes.
Use defines for the number of pages supported by individual chips.
Use ARRAY_SIZE for loops to initialize array variables, and
initialize all variables in the same code block.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:41 -07:00
Guenter Roeck
bec24b74b2 hwmon: (ltc4261) Fix 'Macros with complex values' checkpatch error
Fix:
ERROR: Macros with complex values should be enclosed in parenthesis

by unwinding the problematic macros.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:40 -07:00
Guenter Roeck
f539038e0b hwmon: (ltc4245) Fix 'Macros with complex values' checkpatch error
Fix:
ERROR: Macros with complex values should be enclosed in parenthesis

by unwinding the problematic macros.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:40 -07:00
Guenter Roeck
b5f0f1eadf hwmon: (ltc4215) Fix 'Macros with complex values' checkpatch error
Fix:
ERROR: Macros with complex values should be enclosed in parenthesis

by unwinding the problematic macros.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:40 -07:00
Guenter Roeck
bc0c591ec1 hwmon: (ltc4151) Fix 'Avoid unnecessary line continuations' checkpatch warning
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:40 -07:00
Guenter Roeck
f0df0fd92d hwmon: (ina2xx) Fix 'Avoid unnecessary line continuations' checkpatch warning
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:40 -07:00
Guenter Roeck
b55f375725 hwmon: Fix checkpatch warning 'quoted string split across lines'
Cc: Corentin Labbe <corentin.labbe@geomatys.fr>
Cc: Mark M. Hoffman <mhoffman@lightlink.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Juerg Haefliger <juergh@gmail.com>
Cc: Andreas Herrmann <herrmann.der.user@googlemail.com>
Cc: Rudolf Marek <r.marek@assembler.cz>
Cc: Jim Cromie <jim.cromie@gmail.com>
Cc: Roger Lucas <vt8231@hiddenengine.co.uk>
Cc: Marc Hulsman <m.hulsman@tudelft.nl>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:40 -07:00
Guenter Roeck
088ce2ac9e hwmon: Fix CamelCase checkpatch warnings
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:40 -07:00
Guenter Roeck
236d903948 hwmon: (nct6775) Drop read/write lock
The read/write lock is acquired for each read/write operation from/to the chip.
This occurs either during initialization, when it is not needed, or during
updates, when the update_lock is held as well, and it is not needed either.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:40 -07:00
Guenter Roeck
0fc1f8fc61 hwmon: (nct6775) Only report VID if supported and enabled
VID is not always enabled (NCT6775, NCT6776) or supported (NCT6779).

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
8e9285b0bb hwmon: (nct6775) Detect and report additional temperature sources
Scan all temperature sources used for fan control and report if additional
monitoring registers are available.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
bbd8decd41 hwmon: (nct6775) Add support for weighted fan control
The NCT677X series support weighted fan control. In this mode, a secondary
temperature source is used in addition to the primary temperature source to
control fan speed. Add support for this feature.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
cdcaeceb74 hwmon: (nct6775) Add support for automatic fan control
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
77eb5b3703 hwmon: (nct6775) Add support for pwm, pwm_mode, and pwm_enable
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
84d19d92f7 hwmon: (nct6775) Add power management support
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
47ece9645f hwmon: (nct6775) Add support for fan debounce module parameter
If set, fan debounce is enabled when loading the driver.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
5c25d954d3 hwmon: (nct6775) Add support for fanX_pulses sysfs attribute
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
1c65dc365e hwmon: (nct6775) Add support for fan speed attributes
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:39 -07:00
Guenter Roeck
aa136e5dad hwmon: (nct6775) Add support for temperature sensors
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Guenter Roeck
a6bd587842 hwmon: (nct6775) Add case open detection
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Guenter Roeck
9de2e2e84e hwmon: Driver for Nuvoton NCT6775F, NCT6776F, and NCT6779D
This driver will replace the w83627ehf driver for NCT6775F and NCT6776F,
and provides support for NCT6779D.

This patch provides support for voltage monitor attributes.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Guenter Roeck
24f9c539b9 hwmon: Fix 'Macros with complex values' checkpatch errors
Fix:

ERROR: Macros with complex values should be enclosed in parenthesis

when it is seen due to complex code and not due to multi-line variable
declarations.

Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Alistair John Strachan <alistair@devzero.co.uk>
Acked-by: Alistair John Strachan <alistair@devzero.co.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Guenter Roeck
692fe501da hwmon: checkpatch cleanup: Replace printk with pr_debug or dev_dbg as appropriate
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Alistair John Strachan <alistair@devzero.co.uk>
Cc: Henrik Rydberg <rydberg@euromail.se>
Acked-by: Alistair John Strachan <alistair@devzero.co.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Naveen Krishna Chatradhi
9e8269de10 hwmon: (ntc_thermistor) Add DT with IIO support to NTC thermistor driver
This patch adds DT support to NTC driver to parse the
platform data.

Also adds the support to work as an iio device client.

During the probe ntc driver gets the respective channels of ADC
and uses iio_raw_read calls to get the ADC converted value.

Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
[Guenter Roeck: fixed Kconfig dependencies; use ERR_CAST]
Tested-by: Doug Anderson <dianders@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Lars-Peter Clausen
4b5e536b0e hwmon: (adt7x10) Add alarm interrupt support
This allows an userspace application to poll() on the alarm files to get
notified in case of a temperature threshold event.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Lars-Peter Clausen
51c2a4871c hwmon: (adt7410) Add support for the adt7310/adt7320
The adt7310/adt7320 is the SPI version of the adt7410/adt7420. The register map
layout is a bit different, i.e. the register addresses differ between the two
variants, but the bit layouts of the individual registers are identical. So both
chip variants can easily be supported by the same driver. The issue of non
matching register address layouts is solved by a simple look-up table which
translates the I2C addresses to the SPI addresses.

The patch moves the bulk of the adt7410 driver to a common module that will be
shared by the adt7410 and adt7310 drivers. This common module implements the
driver logic and uses a set of virtual functions to perform IO access. The
adt7410 and adt7310 driver modules provide proper implementations of these IO
accessor functions for I2C respective SPI.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Reviewed-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Lars-Peter Clausen
c55dc91e92 hwmon: (adt7410) Don't re-read non-volatile registers
Currently each time the temperature register is read the driver also reads the
threshold and hysteresis registers. This increases the amount of I2C traffic and
time needed to read the temperature by a factor of ~5. Neither the threshold nor
the hysteresis change on their own, so once we have read them, we should be able
to just use the cached value of the registers. This patch modifies the code
accordingly and only reads the threshold and hysteresis registers once during
probe.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:38 -07:00
Jingoo Han
f40fb63e92 hwmon: (mc13783-adc.c) use module_platform_driver_probe()
This patch uses module_platform_driver_probe() macro which makes
the code smaller and simpler.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2013-04-07 21:16:37 -07:00
Linus Torvalds
31880c37c1 Linux 3.9-rc6 2013-04-07 20:49:54 -07:00
Linus Torvalds
875b7679ab Merge git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fix from Gleb Natapov:
 "Bugfix for the regression introduced by commit c300aa64ddf5"

* git://git.kernel.org/pub/scm/virt/kvm/kvm:
  KVM: Allow cross page reads and writes from cached translations.
2013-04-07 13:01:25 -07:00
Linus Torvalds
39ab967e1d Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Peter Anvin:
 "Two quite small fixes: one a build problem, and the other fixes
  seccomp filters on x32."

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86: Fix rebuild with EFI_STUB enabled
  x86: remove the x32 syscall bitmask from syscall_get_nr()
2013-04-07 12:59:55 -07:00
Will Deacon
e74e25929c alpha: irq: remove deprecated use of IRQF_DISABLED
Interrupt handlers are always invoked with interrupts disabled, so
remove all uses of the deprecated IRQF_DISABLED flag.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-07 12:59:30 -07:00
Will Deacon
e20800fd5c alpha: irq: run all handlers with interrupts disabled
Linux has expected that interrupt handlers are executed with local
interrupts disabled for a while now, so ensure that this is the case on
Alpha even for non-device interrupts such as IPIs.

Without this patch, secondary boot results in the following backtrace:

  warning: at kernel/softirq.c:139 __local_bh_enable+0xb8/0xd0()
  trace:
    __local_bh_enable+0xb8/0xd0
    irq_enter+0x74/0xa0
    scheduler_ipi+0x50/0x100
    handle_ipi+0x84/0x260
    do_entint+0x1ac/0x2e0
    irq_exit+0x60/0xa0
    handle_irq+0x98/0x100
    do_entint+0x2c8/0x2e0
    ret_from_sys_call+0x0/0x10
    load_balance+0x3e4/0x870
    cpu_idle+0x24/0x80
    rcu_eqs_enter_common.isra.38+0x0/0x120
    cpu_idle+0x40/0x80
    rest_init+0xc0/0xe0
    _stext+0x1c/0x20

A similar dump occurs if you try to reboot using magic-sysrq.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Matt Turner <mattst88@gmail.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-07 12:59:30 -07:00
Will Deacon
cd8d233175 alpha: makefile: don't enforce small data model for kernel builds
Due to all of the goodness being packed into today's kernels, the
resulting image isn't as slim as it once was.

In light of this, don't pass -msmall-data to gcc, which otherwise results
in link failures due to impossible relocations when compiling anything but
the most trivial configurations.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Tested-by: Thorsten Kranzkowski <dl8bcu@dl8bcu.de>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-07 12:59:30 -07:00
Jay Estabrook
aa8b4be3ac alpha: Add irongate_io to PCI bus resources
Fixes a NULL pointer dereference at boot on UP1500.

Cc: stable@vger.kernel.org
Reviewed-and-Tested-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Jay Estabrook <jay.estabrook@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>
Signed-off-by: Michael Cree <mcree@orcon.net.nz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-04-07 12:59:30 -07:00
Andrew Honig
8f964525a1 KVM: Allow cross page reads and writes from cached translations.
This patch adds support for kvm_gfn_to_hva_cache_init functions for
reads and writes that will cross a page.  If the range falls within
the same memslot, then this will be a fast operation.  If the range
is split between two memslots, then the slower kvm_read_guest and
kvm_write_guest are used.

Tested: Test against kvm_clock unit tests.

Signed-off-by: Andrew Honig <ahonig@google.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
2013-04-07 13:05:35 +03:00
Linus Torvalds
fe69690942 A pair of patches to fix the writethrough mode of the device-mapper
cache target when the device being cached is not itself wrapped with
 device-mapper.
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Merge tag 'dm-3.9-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm

Pull device-mapper fixes from Alasdair Kergon:
 "A pair of patches to fix the writethrough mode of the device-mapper
  cache target when the device being cached is not itself wrapped with
  device-mapper."

* tag 'dm-3.9-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-dm:
  dm cache: reduce bio front_pad size in writeback mode
  dm cache: fix writes to cache device in writethrough mode
2013-04-05 19:30:14 -07:00
Linus Torvalds
b196553a7f PCI updates for v3.9:
ASPM
       Revert "PCI/ACPI: Request _OSC control before scanning PCI root bus"
   kexec
       PCI: Don't try to disable Bus Master on disconnected PCI devices
   Platform ROM images
       PCI: Add PCI ROM helper for platform-provided ROM images
       nouveau: Attempt to use platform-provided ROM image
       radeon: Attempt to use platform-provided ROM image
   Hotplug
       PCI/ACPI: Always resume devices on ACPI wakeup notifications
       PCI/PM: Disable runtime PM of PCIe ports
   EISA
       EISA/PCI: Fix bus res reference
       EISA/PCI: Init EISA early, before PNP
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Merge tag 'pci-v3.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fixes from Bjorn Helgaas:
 "PCI updates for v3.9:

  ASPM
      Revert "PCI/ACPI: Request _OSC control before scanning PCI root bus"
  kexec
      PCI: Don't try to disable Bus Master on disconnected PCI devices
  Platform ROM images
      PCI: Add PCI ROM helper for platform-provided ROM images
      nouveau: Attempt to use platform-provided ROM image
      radeon: Attempt to use platform-provided ROM image
  Hotplug
      PCI/ACPI: Always resume devices on ACPI wakeup notifications
      PCI/PM: Disable runtime PM of PCIe ports
  EISA
      EISA/PCI: Fix bus res reference
      EISA/PCI: Init EISA early, before PNP"

* tag 'pci-v3.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI/PM: Disable runtime PM of PCIe ports
  PCI/ACPI: Always resume devices on ACPI wakeup notifications
  PCI: Don't try to disable Bus Master on disconnected PCI devices
  Revert "PCI/ACPI: Request _OSC control before scanning PCI root bus"
  radeon: Attempt to use platform-provided ROM image
  nouveau: Attempt to use platform-provided ROM image
  EISA/PCI: Init EISA early, before PNP
  EISA/PCI: Fix bus res reference
  PCI: Add PCI ROM helper for platform-provided ROM images
2013-04-05 19:29:36 -07:00
Linus Torvalds
53f63189b1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix erroneous sock_orphan() leading to crashes and double
    kfree_skb() in NFC protocol.  From Thierry Escande and Samuel Ortiz.

 2) Fix use after free in remain-on-channel mac80211 code, from Johannes
    Berg.

 3) nf_reset() needs to reset the NF tracing cookie, otherwise we can
    leak it from one namespace into another.  Fix from Gao Feng and
    Patrick McHardy.

 4) Fix overflow in channel scanning array of mwifiex driver, from Stone
    Piao.

 5) Fix loss of link after suspend/shutdown in r8169, from Hayes Wang.

 6) Synchronization of unicast address lists to the undelying device
    doesn't work because whether to sync is maintained as a boolean
    rather than a true count.  Fix from Vlad Yasevich.

 7) Fix corruption of TSO packets in atl1e by limiting the segmented
    packet length.  From Hannes Frederic Sowa.

 8) Revert bogus AF_UNIX credential passing change and fix the
    coalescing issue properly, from Eric W Biederman.

 9) Changes of ipv4 address lifetime settings needs to generate a
    notification, from Jiri Pirko.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (22 commits)
  netfilter: don't reset nf_trace in nf_reset()
  net: ipv4: notify when address lifetime changes
  ixgbe: fix registration order of driver and DCA nofitication
  af_unix: If we don't care about credentials coallesce all messages
  Revert "af_unix: dont send SCM_CREDENTIAL when dest socket is NULL"
  bonding: remove sysfs before removing devices
  atl1e: limit gso segment size to prevent generation of wrong ip length fields
  net: count hw_addr syncs so that unsync works properly.
  r8169: fix auto speed down issue
  netfilter: ip6t_NPT: Fix translation for non-multiple of 32 prefix lengths
  mwifiex: limit channel number not to overflow memory
  NFC: microread: Fix build failure due to a new MEI bus API
  iwlwifi: dvm: fix the passive-no-RX workaround
  netfilter: nf_conntrack: fix error return code
  NFC: llcp: Keep the connected socket parent pointer alive
  mac80211: fix idle handling sequence
  netfilter: nfnetlink_acct: return -EINVAL if object name is empty
  netfilter: nfnetlink_queue: fix error return code in nfnetlink_queue_init()
  netfilter: reset nf_trace in nf_reset
  mac80211: fix remain-on-channel cancel crash
  ...
2013-04-05 14:04:10 -07:00
Jan Beulich
918708245e x86: Fix rebuild with EFI_STUB enabled
eboot.o and efi_stub_$(BITS).o didn't get added to "targets", and hence
their .cmd files don't get included by the build machinery, leading to
the files always getting rebuilt.

Rather than adding the two files individually, take the opportunity and
add $(VMLINUX_OBJS) to "targets" instead, thus allowing the assignment
at the top of the file to be shrunk quite a bit.

At the same time, remove a pointless flags override line - the variable
assigned to was misspelled anyway, and the options added are
meaningless for assembly sources.

[ hpa: the patch is not minimal, but I am taking it for -urgent anyway
  since the excess impact of the patch seems to be small enough. ]

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Link: http://lkml.kernel.org/r/515C5D2502000078000CA6AD@nat28.tlf.novell.com
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2013-04-05 13:59:23 -07:00
Patrick McHardy
124dff01af netfilter: don't reset nf_trace in nf_reset()
Commit 130549fe ("netfilter: reset nf_trace in nf_reset") added code
to reset nf_trace in nf_reset(). This is wrong and unnecessary.

nf_reset() is used in the following cases:

- when passing packets up the the socket layer, at which point we want to
  release all netfilter references that might keep modules pinned while
  the packet is queued. nf_trace doesn't matter anymore at this point.

- when encapsulating or decapsulating IPsec packets. We want to continue
  tracing these packets after IPsec processing.

- when passing packets through virtual network devices. Only devices on
  that encapsulate in IPv4/v6 matter since otherwise nf_trace is not
  used anymore. Its not entirely clear whether those packets should
  be traced after that, however we've always done that.

- when passing packets through virtual network devices that make the
  packet cross network namespace boundaries. This is the only cases
  where we clearly want to reset nf_trace and is also what the
  original patch intended to fix.

Add a new function nf_reset_trace() and use it in dev_forward_skb() to
fix this properly.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-05 15:38:10 -04:00