Commit Graph

521070 Commits

Author SHA1 Message Date
Hari Prasath Gujulan Elango 37bc15d8dd staging: wilc1000: remove unnecessary typecast
Remove ununecessary typecast for kzalloc.This patch was generated by
coccinelle tool

Signed-off-by: Hari Prasath Gujulan Elango <hgujulan@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:43:06 -07:00
Chaitanya Dhere 0feae20091 staging: wilc1000: Modification in code to use ARRAY_SIZE macro
In this patch, ARRAY_SIZE() macro is used to determine the
size. This change was detected with the help of coccinelle
tool.

Signed-off-by: Chaitanya Dhere <cvijaydh@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:41:51 -07:00
Sudip Mukherjee 52db752077 staging: wilc1000: fix warning while printing
size_t should print using %zu and unsigned long int should use %lu
but here it was using %d and hence we were getting warning while
printing.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:41:51 -07:00
Julia Lawall 2d78b3c1ec lustre: lov: Drop rq_buflen field
The rq_buflen field of the lov_request structure is never initialized.  It
is only used in the free of req->rq_oi.oi_md in lov_finish_set.  But no
oi_md field is ever initialized to the result of calling OBD_ALLOC_LARGE.
So it seems that the call to OBD_FREE_LARGE in lov_finish_set and the
rq_buflen in the lov_request structure are simply not needed.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:39:48 -07:00
Julia Lawall 2b692c2e9b lustre: lov: Drop unneeded set_oabufs and set_pga fields
The fields set_oabufs and set_pga fields in the lov_request_set structure
are never set, so drop them.  Drop also the corresponding test and free in
lov_finish_set.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:39:48 -07:00
Julia Lawall 8fd18211d6 lustre: lov: Drop lov_lock_handles structure
The lov_lock_handles structure is only used as the type of the field
set_lockh in the lov_request_set structure, and this field is never set to
any value.  Drop a test and free of this field in lov_finish_set.  This
change enables also removing the functions lov_handle2llh and lov_llh_put
that manipulate values of type lov_lock_handles, but are now never called.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:39:48 -07:00
Dan Carpenter 1c01737a4b Staging: Lustre: lproc_fid: remove some dead code
We know "rc == 0" so there is no need to check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:39:01 -07:00
Dan Carpenter b815555df8 Staging: lustre: ptlrpc: signedness bug in high_priority_ratio_store()
We want to store a non-negative int here.  The original code had a check
for unsigned long less than zero which is a mistake but also casting
from a positive long to an int can result in a negative number.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:39:01 -07:00
Xavier Roche 02b310794b staging: lustre: fixed const warnings (struct seq_operations should be const in these contexts)
Minor warnings spotted by checkpatch.pl in lustre regarding const correctness: struct seq_operations should be const.

Signed-off-by: Xavier Roche <roche+git@httrack.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:39:01 -07:00
James Simmons 2f4246f71d staging:lustre: cleanup libcfs lock handling
Previously with libcfs being built for user land and kernel
space wrappers were created to transparently handle locking.
Now that user land support has been removed we delete all
those locking wrappers with this patch. Many of those changes
landed upstream but some nice cleanups still remain that are
pushed in this patch.

Signed-off-by: James Simmons <uja.ornl@gmail.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245
Reviewed-on: http://review.whamcloud.com/13793
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:39:01 -07:00
James Simmons 394453676b staging:lustre: fixup LNet resource container api
Both lnet_res_container_setup and lnet_res_container_create
have additional parameters that are no longer used with the
removal of the FREELIST code. This patch removes the no
longer needed function arguments.

Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:37:18 -07:00
John L. Hammond d9c90615a4 staging:lustre: assume a kernel build
In lnet/lnet/ and lnet/selftest/ assume a kernel build (assume that
__KERNEL__ is defined). Remove some common code only needed for user
space LNet.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2675
Reviewed-on: http://review.whamcloud.com/13121
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Amir Shehata <amir.shehata@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:35:54 -07:00
Chris Hanna d0bfef31f4 staging: lustre: ptlrpc: clean up whitespace and align function params
Minor changes to remove excessive whitespace and improve
readability of ptlrpc functions.

Signed-off-by: Chris Hanna <hannac@iu.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:32:09 -07:00
Chris Hanna 29ac6840d7 staging: lustre: osc: clean up whitespace and align function parameters
Minor changes to remove excessive whitespace and improve
readability of osc functions.

Signed-off-by: Chris Hanna <hannac@iu.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:32:09 -07:00
Aparna Karuthodi 06d0c4989f staging: lustre: llite: Fix No space after the declaration
Added a new line

Signed-off-by: Aparna Karuthodi <kdasaparna@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:28:40 -07:00
Prasanna Karthik f559cfe37b Staging: lustre: Clean up Coding style Fix
Preferred use of '*' is adjacent to the data name or function name

Signed-off-by: Prasanna Karthik <mkarthi3@visteon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:28:40 -07:00
Antonio Murdaca 23191c97c0 staging: lustre: lov: remove unnecessary parentheses
fix checkpatch.pl warning about unnecessary parentheses

Signed-off-by: Antonio Murdaca <antonio.murdaca@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 12:28:40 -07:00
Greg Kroah-Hartman 6394d6d01b Merge 4.1-rc7 into staging-testing
We want the staging tree fixes in here too to help with testing and
merge issues.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-06-08 10:34:44 -07:00
Linus Torvalds d4a4f75cd8 Linux 4.1-rc7 2015-06-07 20:23:50 -07:00
Linus Torvalds 866e6441a4 Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
Pull MIPS updates from Ralf Baechle:
 "Eight fixes across arch/mips.  Nothing stands particuarly out nor is
  complicated but fixes keep coming in at a higher than comfortable
  rate"

* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus:
  MIPS: KVM: Do not sign extend on unsigned MMIO load
  MIPS: BPF: Fix stack pointer allocation
  MIPS: Loongson-3: Fix a cpu-hotplug issue in loongson3_ipi_interrupt()
  MIPS: Fix enabling of DEBUG_STACKOVERFLOW
  MIPS: c-r4k: Fix typo in probe_scache()
  MIPS: Avoid an FPE exception in FCSR mask probing
  MIPS: ath79: Add a missing new line in log message
  MIPS: ralink: Fix clearing the illegal access interrupt
2015-06-07 16:56:10 -07:00
Linus Walleij 4861a007bf iio: st_accel: support 8bit channel data
Some sensors like the LIS331DL only support 8bit data by a single
register per axis. These utilize the MSB byte. Make it possible
to register these apropriately.

A oneliner change is needed in the ST sensors core to handle 8bit
reads as this is the first supported 8bit sensor.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 17:58:28 +01:00
Stefan Agner bf04c1a367 iio: adc: vf610: implement configurable conversion modes
Support configurable conversion mode through sysfs. So far, the
mode used was low-power, which is enabled by default now. Beside
that, the modes normal and high-speed are selectable as well.

Use the new device tree property which specifies the maximum ADC
conversion clock frequencies. Depending on the mode used, the
available resulting conversion frequency are calculated
dynamically.

Acked-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 17:53:25 +01:00
H. Nikolaus Schaller 994bda83dc iio: adc: twl4030_madc: Fix description of twl4030_madc_set_current_generator()
The @chan parameter can be 0 or 1 and not a bit mask. Fix wrong description.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 17:25:55 +01:00
H. Nikolaus Schaller 0cbb39f143 iio: adc: twl4030_madc: Fix calculation of the temperature sense current
The bit mask to read the setting of the constant current source
for measuring the NTC voltage was the wrong one. Since default
value is initialized to the lowest level (000 = 10uA) the difference
was probably never noticed in practice.

Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Marek Belisko <marek@goldelico.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 17:24:44 +01:00
Martin Fuzzey ae6d9ce056 iio: mma8452: Add support for interrupt driven triggers.
Implement interrupt driven trigger for data ready.
This allows more efficient access to the sample data.

Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 17:20:36 +01:00
Martin Fuzzey 1e79841a00 iio: mma8452: Add highpass filter configuration.
Allow the cutoff frequency of the high pass filter to be configured.

Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 17:20:33 +01:00
Martin Fuzzey 5dbbd19f11 iio: mma8452: Add support for transient event debouncing
Allow the debouce counter for transient events to be configured
using the sysfs attribute events/in_accel_thresh_rising_period

Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 17:19:36 +01:00
Martin Fuzzey 28e3427824 iio: mma8452: Basic support for transient events.
The event is triggered when the highpass filtered absolute acceleration
exceeds the threshold.

Signed-off-by: Martin Fuzzey <mfuzzey@parkeon.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 17:16:36 +01:00
Daniel Baluta 4892688d70 iio: magnetometer: mmc35240: Add compensation for raw values
This patch adds compensation formula to raw readings, borrowed
from Memsic's input driver.

Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 16:33:25 +01:00
Daniel Baluta 6b90da4b58 iio: magnetometer: mmc35240: Fix sensitivity on z-axis
Datasheet says (Page 2) that typical value for sensitivity
for 16 bits mode on Z-axis is 770. Anyhow, looking at the
input driver provided by Memsic the value for MMC35240 is
1024.

Also, testing shows that using 1024 for Z-axis senzitivity
offers better results.

Fixes: abeb6b1e7b ("iio: magnetometer: Add support for MEMSIC MMC35240")
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 16:33:22 +01:00
Daniel Baluta 787f55c4d1 iio: magnetometer: mmc35240: Use a smaller sleep value
According to datasheet, Page 8, minimum wait time to complete
measurement is 10ms. Adjusting this value will increase the
userspace polling rate.

Fixes: abeb6b1e7b ("iio: magnetometer: Add support for MEMSIC MMC35240")
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 16:33:20 +01:00
Daniel Baluta c2890547a0 iio: magnetometer: mmc35240: Fix broken processed value
The current computation for fractional part of the magnetic
field is broken. This patch fixes it by taking a different
approach. We expose the raw reading in milli Gauss (to avoid
rounding errors) with a scale of 0.001.

Thus the final computation is done in userspace where floating
point operation are more relaxed.

Fixes: abeb6b1e7b ("iio: magnetometer: Add support for MEMSIC MMC35240")
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 16:33:18 +01:00
Daniel Baluta bd35a214f5 iio: magnetometer: mmc35240: NULL terminate attribute array
This avoid nasty crashes when registering the IIO device.

Fixes: abeb6b1e7b ("iio: magnetometer: Add support for MEMSIC MMC35240")
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 16:33:12 +01:00
Daniel Baluta a52ffebcf1 iio: magnetometer: mmc35240: i2c device name should be lower case
This is the standard convention for i2c device name and
also this is the name used in some Intel platforms DT
files.

Fixes: abeb6b1e7b ("iio: magnetometer: Add support for MEMSIC MMC35240")
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-06-07 16:33:09 +01:00
Linus Torvalds 37ef1647b7 Driver core fixes for 4.1-rc7
Here are 2 fixes for the driver core that resolve some reported issues,
 one is a regression from 4.0, the other a fixes a reported oops that has
 been there since 3.19.  Both have been in linux-next for a while with no
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two fixes for the driver core that resolve some reported
  issues.

  One is a regression from 4.0, the other a fixes a reported oops that
  has been there since 3.19.

  Both have been in linux-next for a while with no problems"

* tag 'driver-core-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  drivers/base: cacheinfo: handle absence of caches
  drivers: of/base: move of_init to driver_init
2015-06-06 22:37:45 -07:00
Linus Torvalds eadc21f5dc Staging / IIO fixes for 4.1-rc7
Here are some IIO driver fixes to resolve reported issues, some ozwpan
 fixes for some reported CVE problems, and a rtl8712 driver fix for a
 reported regression.
 
 All have been in linux-next successfully.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging / IIO fixes from Greg KH:
 "Here are some IIO driver fixes to resolve reported issues, some ozwpan
  fixes for some reported CVE problems, and a rtl8712 driver fix for a
  reported regression.

  All have been in linux-next successfully"

* tag 'staging-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  staging: rtl8712: fix stack dump
  ozwpan: unchecked signed subtraction leads to DoS
  ozwpan: divide-by-zero leading to panic
  ozwpan: Use unsigned ints to prevent heap overflow
  ozwpan: Use proper check to prevent heap overflow
  iio: adc: twl6030-gpadc: Fix modalias
  iio: adis16400: Fix burst transfer for adis16448
  iio: adis16400: Fix burst mode
  iio: adis16400: Compute the scan mask from channel indices
  iio: adis16400: Use != channel indices for the two voltage channels
  iio: adis16400: Report pressure channel scale
2015-06-06 22:33:08 -07:00
Linus Torvalds b334b77351 TTY/Serial driver fixes for 4.1-rc7
Here are a few TTY and Serial driver fixes for reported regressions and
 crashes.  All of these have been in linux-next with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg KH:
 "Here are a few TTY and Serial driver fixes for reported regressions
  and crashes.

  All of these have been in linux-next with no reported problems"

* tag 'tty-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  n_tty: Fix auditing support for cannonical mode
  serial: 8250_omap: provide complete custom startup & shutdown callbacks
  n_tty: Fix calculation of size in canon_copy_from_read_buf
  serial: imx: Fix DMA handling for IDLE condition aborts
  serial/amba-pl011: Unconditionally poll for FIFO space before each TX char
2015-06-06 22:14:23 -07:00
Linus Torvalds e900f2c097 USB and PHY driver fixes for 4.1-rc7
Here are some USB and PHY driver fixes that resolve some reported
 regressions.  Also in here are some new device ids.  All of the details
 are in the shortlog and these patches have been in linux-next with no
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB and PHY driver fixes from Greg KH:
 "Here are some USB and PHY driver fixes that resolve some reported
  regressions.  Also in here are some new device ids.

  All of the details are in the shortlog and these patches have been in
  linux-next with no problems"

* tag 'usb-4.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (22 commits)
  USB: cp210x: add ID for HubZ dual ZigBee and Z-Wave dongle
  usb: renesas_usbhs: Don't disable the pipe if Control write status stage
  usb: renesas_usbhs: Fix fifo unclear in usbhsf_prepare_pop
  usb: gadget: f_fs: fix check in read operation
  usb: musb: fix order of conditions for assigning end point operations
  usb: gadget: f_uac1: check return code from config_ep_by_speed
  usb: gadget: ffs: fix: Always call ffs_closed() in ffs_data_clear()
  usb: gadget: g_ffs: Fix counting of missing_functions
  usb: s3c2410_udc: correct reversed pullup logic
  usb: dwc3: gadget: Fix incorrect DEPCMD and DGCMD status macros
  usb: phy: tahvo: Pass the IRQF_ONESHOT flag
  usb: phy: ab8500-usb: Pass the IRQF_ONESHOT flag
  usb: renesas_usbhs: Revise the binding document about the dma-names
  usb: host: xhci: add mutex for non-thread-safe data
  usb: make module xhci_hcd removable
  USB: serial: ftdi_sio: Add support for a Motion Tracker Development Board
  usb: gadget: f_midi: fix segfault when reading empty id
  phy: phy-rcar-gen2: Fix USBHS_UGSTS_LOCK value
  phy: omap-usb2: invoke pm_runtime_disable on error path
  phy: fix Kconfig dependencies
  ...
2015-06-06 22:06:53 -07:00
Linus Torvalds be19c4ab81 Devicetree fix for v4.1
Stupid typo fix for v4.1. One of the IS_ENABLED() macro calls forgot the
 CONFIG_ prefix. Only affects a tiny number of platforms, but still...
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Merge tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux

Pull devicetree fix from Grant Likely:
 "Stupid typo fix for v4.1.  One of the IS_ENABLED() macro calls forgot
  the CONFIG_ prefix.  Only affects a tiny number of platforms, but
  still..."

* tag 'devicetree-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/glikely/linux:
  of/dynamic: Fix test for PPC_PSERIES
2015-06-06 21:43:29 -07:00
Linus Torvalds 4b1706927d Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "i915 has a bunch of fixes, and Russell found a bug in sysfs writing
  handling that results in userspace getting stuck"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm: fix writing to /sys/class/drm/*/status
  drm/i915: Move WaBarrierPerformanceFixDisable:skl to skl code from chv code
  drm/i915: Include G4X/VLV/CHV in self refresh status
  drm/i915: Initialize HWS page address after GPU reset
  drm/i915: Don't skip request retirement if the active list is empty
  drm/i915/hsw: Fix workaround for server AUX channel clock divisor
2015-06-06 09:15:14 -07:00
Linus Torvalds f46c5818b1 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
 "Just a couple touchpad drivers fixups"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: alps - do not reduce trackpoint speed by half
  Input: elantech - add new icbody type
  Input: elantech - fix detection of touchpads where the revision matches a known rate
2015-06-06 09:08:23 -07:00
Linus Torvalds 77493bd9b2 Merge branch 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb
Pull swiotlb fix from Konrad Rzeszutek Wilk:
 "Tiny little fix which just converts an function to be static.  Really
  tiny"

* 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/swiotlb:
  swiotlb: do not export map_single function
2015-06-06 09:06:20 -07:00
Linus Torvalds 7dedcca09e Merge branch 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft
Pull iBFT fix from Konrad Rzeszutek Wilk:
 "One single fix from Chris to workaround UEFI platforms failing with
  iSCSI IBFT"

* 'stable/for-linus-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/ibft:
  iscsi_ibft: filter null v4-mapped v6 addresses
2015-06-06 09:03:54 -07:00
Nicholas Mc Guire ed9244e6c5 MIPS: KVM: Do not sign extend on unsigned MMIO load
Fix possible unintended sign extension in unsigned MMIO loads by casting
to uint16_t in the case of mmio_needed != 2.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Reviewed-by: James Hogan <james.hogan@imgtec.com>
Tested-by: James Hogan <james.hogan@imgtec.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: kvm@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9985/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:10 +02:00
Markos Chandras 8833bc308b MIPS: BPF: Fix stack pointer allocation
Fix stack pointer offset which could potentially corrupt
argument registers in the previous frame. The calculated offset
reflects the size of all the registers we need to preserve so there
is no need for this erroneous subtraction.

[ralf@linux-mips.org: Fixed conflict due to only applying this fix part
of the entire series as part of 4.1 fixes.]

Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexei Starovoitov <ast@plumgrid.com>
Cc: Daniel Borkmann <dborkman@redhat.com>
Cc: Hannes Frederic Sowa <hannes@stressinduktion.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: http://patchwork.linux-mips.org/patch/10527/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:10 +02:00
Huacai Chen e1fb96e064 MIPS: Loongson-3: Fix a cpu-hotplug issue in loongson3_ipi_interrupt()
setup_per_cpu_areas() only setup __per_cpu_offset[] for each possible
cpu, but loongson_sysconf.nr_cpus can be greater than possible cpus
(due to reserved_cpus_mask). So in loongson3_ipi_interrupt(), percpu
access will touch the original varible in .data..percpu section which
has been freed. Without this patch, cpu-hotplug will cause memery
corruption.

Signed-off-by: Huacai Chen <chenhc@lemote.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: http://patchwork.linux-mips.org/patch/10524/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:10 +02:00
James Hogan 5f35b9cd55 MIPS: Fix enabling of DEBUG_STACKOVERFLOW
Commit 334c86c494 ("MIPS: IRQ: Add stackoverflow detection") added
kernel stack overflow detection, however it only enabled it conditional
upon the preprocessor definition DEBUG_STACKOVERFLOW, which is never
actually defined. The Kconfig option is called DEBUG_STACKOVERFLOW,
which manifests to the preprocessor as CONFIG_DEBUG_STACKOVERFLOW, so
switch it to using that definition instead.

Fixes: 334c86c494 ("MIPS: IRQ: Add stackoverflow detection")
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Adam Jiang <jiang.adam@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: <stable@vger.kernel.org> # 2.6.37+
Patchwork: http://patchwork.linux-mips.org/patch/10531/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:09 +02:00
Joshua Kinard 755af33b00 MIPS: c-r4k: Fix typo in probe_scache()
Fixes a typo in arch/mips/mm/c-r4k.c's probe_scache().

Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2015-06-06 10:21:09 +02:00
Chris Leech e6050b61df iscsi_ibft: filter null v4-mapped v6 addresses
I've had reports of UEFI platforms failing iSCSI boot in various
configurations, that ended up being caused by network initialization
scripts getting tripped up by unexpected null addresses (0.0.0.0) being
reported for gateways, dhcp servers, and dns servers.

The tianocore EDK2 iSCSI driver generates an iBFT table that always uses
IPv4-mapped IPv6 addresses for the NIC structure fields.  This results
in values that are "not present or not specified" being reported as
::ffff:0.0.0.0 rather than all zeros as specified.

The iscsi_ibft module filters unspecified fields from the iBFT from
sysfs, preventing userspace from using invalid values and making it easy
to check for the presence of a value.  This currently fails in regard to
these mapped null addresses.

In order to remain consistent with how the iBFT information is exposed,
we should accommodate the behavior of the tianocore iSCSI driver as it's
already in the wild in a large number of servers.

Tested under qemu using an OVMF build of tianocore EDK2.

Signed-off-by: Chris Leech <cleech@redhat.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2015-06-05 21:07:02 -04:00
Alexandre Courbot 023600f192 swiotlb: do not export map_single function
The map_single() function is not defined as static, even though it
doesn't seem to be used anywhere else in the kernel. Make it static to
avoid namespace pollution since this is a rather generic symbol.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2015-06-05 18:46:30 -04:00