Commit Graph

766469 Commits

Author SHA1 Message Date
Palmer Dabbelt e0e0c87c02
RISC-V: Make our port sparse-clean
This patch set contains a handful of fixes that clean up the sparse
results for the RISC-V port.  These patches shouldn't have any
functional difference.  The patches:

* Use NULL instead of 0.
* Clean up __user annotations.
* Split __copy_user into two functions, to make the __user annotations
  valid.

Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
2018-06-11 09:09:49 -07:00
Palmer Dabbelt 41611ed2c8
MAINTAINERS: RISC-V Updates
This patch set contains a pair of RISC-V related updates to the
MAINTAINERS file:

* Albert is now back at UC Berkeley.
* I've added myself as a maintainer for anything with "sifive" in the
  name.

Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-06-11 09:04:57 -07:00
Andreas Schwab 77aa85de16
RISC-V: Handle R_RISCV_32 in modules
With CONFIG_MODVERSIONS=y the R_RISCV_32 relocation is used by the
__kcrctab section.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-06-11 09:04:34 -07:00
Alan Kao 1dd985229d
riscv/ftrace: Export _mcount when DYNAMIC_FTRACE isn't set
The EXPORT_SYMBOL(_mcount) for RISC-V ended up inside a
CONFIG_DYNAMIC_FTRACE ifdef.  If you enable modules without enabling
CONFIG_DYNAMIC_FTRACE then you'll get a build error without this patch
because the modules won't be able to find _mcount.

The new behavior is to export _mcount whenever CONFIG_FUNCTION_TRACER is
defined.  This matches what every other architecture is doing.

Signed-off-by: Alan Kao <alankao@andestech.com>
Cc: Greentime Hu <greentime@andestech.com>
Cc: Zong Li <zong@andestech.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-06-11 09:04:03 -07:00
Luc Van Oostenryck 889d746edd
riscv: add riscv-specific predefines to CHECKFLAGS
RISC-V uses the macro __riscv_xlen, predefined by GCC, to
make the distinction between 32 or 64 bit code.

However, sparse doesn't know anything about this macro
which lead to wrong warnings and failures.

Fix this by adding a define of __riscv_xlen to CHECKFLAGS
and add one for __riscv too.

Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>
2018-06-11 09:03:43 -07:00
Alexander Duyck 421d954c4f ixgbe: Fix bit definitions and add support for testing for ipsec support
This patch addresses two issues. First it adds the correct bit definitions
for the SECTXSTAT and SECRXSTAT registers. Then it makes use of those
definitions to test for if IPsec has been disabled on the part and if so we
do not enable it.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Reported-by: Andre Tomt <andre@tomt.net>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-06-11 08:50:51 -07:00
Alexander Duyck e9f655ee97 ixgbe: Avoid loopback and fix boolean logic in ipsec_stop_data
This patch fixes two issues. First we add an early test for the Tx and Rx
security block ready bits. By doing this we can avoid the need for waits or
loopback in the event that the security block is already flushed out.
Secondly we fix the boolean logic that was testing for the Tx OR Rx ready
bits being set and change it so that we only exit if the Tx AND Rx ready
bits are both set.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-06-11 08:48:13 -07:00
Alexander Duyck de7a7e34e2 ixgbe: Move ipsec init function to before reset call
This patch moves the IPsec init function in ixgbe_sw_init. This way it is a
bit more consistent with the placement of similar initialization functions
and is placed before the reset_hw call which should allow us to clean up
any link issues that may be introduced by the fact that we force the link
up if somehow the device had IPsec still enabled before the driver was
loaded.

In addition to the function move it is necessary to change the assignment
of netdev->features. The easiest way to do this is to just test for the
existence of adapter->ipsec and if it is present we set the feature bits.

Fixes: 49a94d74d9 ("ixgbe: add ipsec engine start and stop routines")
Reported-by: Andre Tomt <andre@tomt.net>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-06-11 08:46:33 -07:00
Alexander Duyck e433f3a5e2 ixgbe: Use CONFIG_XFRM_OFFLOAD instead of CONFIG_XFRM
There is no point in adding code if CONFIG_XFRM is defined that we won't
use unless CONFIG_XFRM_OFFLOAD is defined. So instead of leaving this code
floating around I am replacing the ifdef with what I believe is the correct
one so that we only include the code and variables if they will actually be
used.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-06-11 08:25:48 -07:00
Linus Torvalds a2225d931f autofs: remove left-over autofs4 stubs
There's no need to retain the fs/autofs4 directory for backward
compatibility.

Adding an AUTOFS4_FS fragment to the autofs Kconfig and a module alias
for autofs4 is sufficient for almost all cases. Not keeping fs/autofs4
remnants will prevent "insmod <path>/autofs4/autofs4.ko" from working
but this shouldn't be used in automation scripts rather than
modprobe(8).

There were some comments about things to look out for with the module
rename in the fs/autofs4/Kconfig that is removed by this patch, see the
commit patch if you are interested.

One potential problem with this change is that when the
fs/autofs/Kconfig fragment for AUTOFS4_FS is removed any AUTOFS4_FS
entries will be removed from the kernel config, resulting in no autofs
file system being built if there is no AUTOFS_FS entry also.

This would have also happened if the fs/autofs4 remnants had remained
and is most likely to be a problem with automated builds.

Please check your build configurations before the removal which will
occur after the next couple of kernel releases.

Acked-by: Ian Kent <raven@themaw.net>
[ With edits and commit message from Ian Kent ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2018-06-11 08:22:34 -07:00
Alexander Duyck 646bb57ce8 ixgbe: Fix setting of TC configuration for macvlan case
When we were enabling macvlan interfaces we weren't correctly configuring
things until ixgbe_setup_tc was called a second time either by tweaking the
number of queues or increasing the macvlan count past 15.

The issue came down to the fact that num_rx_pools is not populated until
after the queues and interrupts are reinitialized.

Instead of trying to set it sooner we can just move the call to setup at
least 1 traffic class to the SR-IOV/VMDq setup function so that we just set
it for this one case. We already had a spot that was configuring the queues
for TC 0 in the code here anyway so it makes sense to also set the number
of TCs here as well.

Fixes: 49cfbeb7a9 ("ixgbe: Fix handling of macvlan Tx offload")
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2018-06-11 07:49:55 -07:00
Linus Torvalds 0f105cf4f6 - Core Frameworks
- Provide helpers to enable/disable backlight
    - Provide standard and devres versions OF find helpers
 
  - New Drivers
    - Add support for the Zodiac Inflight Innovations RAVE Supervisory Processor
 
  - New Functionality
    - Allow pwm-on/pwm-off delay to be specified via DT
 
  - Bug Fixes
    - Fix ordering of the power {en,dis}able and PWM {en,dis}able signals
    - Fix Device Tree node look-up
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Merge tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight updates from Lee Jones:
 "Core Frameworks
   - Provide helpers to enable/disable backlight
   - Provide standard and devres versions OF find helpers

  New Drivers:
   - Add support for the Zodiac Inflight Innovations RAVE Supervisory
     Processor

  New Functionality:
   - Allow pwm-on/pwm-off delay to be specified via DT

  Bug Fixes:
   - Fix ordering of the power {en,dis}able and PWM {en,dis}able
     signals
   - Fix Device Tree node look-up"

* tag 'backlight-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: as3711_bl: Fix Device Tree node leaks
  backlight: tps65217_bl: Fix Device Tree node lookup
  backlight: max8925_bl: Fix Device Tree node lookup
  backlight: as3711_bl: Fix Device Tree node lookup
  MAINTAINERS: Add dri-devel for backlight subsystem patches
  backlight: Nuke BL_CORE_DRIVER1
  staging: fbtft: Stop using BL_CORE_DRIVER1
  backlight: pandora: Stop using BL_CORE_DRIVER1
  backlight: generic-bl: Remove DRIVER1 state
  backlight: Nuke unused backlight.props.state states
  backlight: otm3225a: Add support for ORISE OTM3225A LCD SoC
  backlight: pwm_bl: Don't use GPIOF_* with gpiod_get_direction
  pwm-backlight: Add support for PWM delays proprieties.
  dt-bindings: pwm-backlight: Add PWM delay proprieties.
  pwm-backlight: Enable/disable the PWM before/after LCD enable toggle.
  dt-bindings: backlight: Add binding for RAVE SP backlight driver
  backlight: Add RAVE SP backlight driver
2018-06-11 07:23:19 -07:00
Linus Torvalds 883cad5ba8 - New Device Support
- Add support for AXP813 ADC to AXP20x
    - Add support for PM8005, PM8998 and PMI8998
 
  - New Functionality
    - Add support for Battery Power Supply to AXP813
    - Add support for SYSCON to SPARD SC27XX SPI
    - Add support for RTC to ChromeOS Embedded-Controller
 
  - Fix-ups
    - Remove unused code; exynos{4,5}-pmu, cros_ec, cros_ec_acpi_gpe
    - Remove duplicate error messages (-ENOMEM, etc); htc-i2cpld, janz-cmodio,
 		max8997, rc5t583, sm501, smsc-ece1099, abx500-core, si476x-i2c,
 		ti_am335x_tscadc, tps65090, tps6586x, tps65910, tps80031,
 		twl6030-irq, viperboard
    - Succinctly use ptr to struct in sizeof(); rc5t583, abx500-core, sm501,
 		smsc-ece1099
    - Simplify syntax for NULL ptr checking; abx500-core, sm501
    - No not unnecessarily initialise variables; tps65910, tps65910
    - Reorganise and simplify driver data; omap-usb-tll
    - Move to SPDX license statement; tps68470
    - Probe ADCs via DT; axp20x
    - Use new GPIOD API; arizona-core
    - Constify things; axp20x
    - Reduce code-size (use MACROS, etc); axp20x, omap-usb-host
    - Add DT support/docs; motorola-cpcap
    - Remove VLAs; rave-sp
    - Use devm_* managed resources; cros_ec
    - Interrogate HW for firmware version; rave-sp
    - Provide ACPI support for ChromeOS Embedded-Controller
 
  - Bug Fixes
    - Reorder ordered (enum) device list; tps65218
    - Only accept valid data from the offset; rave-sp
    - Refrain from copying junk from failed SPI read; cros_ec_dev
    - Fix potential memory leaks; pcf50633-core
    - Fix clock initialisation; twl-core
    - Fix build-issue; tps65911
    - Fix off-by-one error; tps65911
    - Fix code ordering issues; intel-lpss
    - Fix COMPILE_TEST related issues; pwm-stm32
    - Fix broken MMC card detection; asic3
    - Fix clocking related issues; intel-lpss-pci
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Merge tag 'mfd-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Device Support:
   - Add support for AXP813 ADC to AXP20x
   - Add support for PM8005, PM8998 and PMI8998

  New Functionality:
   - Add support for Battery Power Supply to AXP813
   - Add support for SYSCON to SPARD SC27XX SPI
   - Add support for RTC to ChromeOS Embedded-Controller

  Fix-ups:
   - Remove unused code; exynos{4,5}-pmu, cros_ec, cros_ec_acpi_gpe
   - Remove duplicate error messages (-ENOMEM, etc); htc-i2cpld,
        janz-cmodio, max8997, rc5t583, sm501, smsc-ece1099, abx500-core,
        si476x-i2c, ti_am335x_tscadc, tps65090, tps6586x, tps65910,
        tps80031, twl6030-irq, viperboard
   - Succinctly use ptr to struct in sizeof(); rc5t583, abx500-core,
        sm501, smsc-ece1099
   - Simplify syntax for NULL ptr checking; abx500-core, sm501
   - No not unnecessarily initialise variables; tps65910, tps65910
   - Reorganise and simplify driver data; omap-usb-tll
   - Move to SPDX license statement; tps68470
   - Probe ADCs via DT; axp20x
   - Use new GPIOD API; arizona-core
   - Constify things; axp20x
   - Reduce code-size (use MACROS, etc); axp20x, omap-usb-host
   - Add DT support/docs; motorola-cpcap
   - Remove VLAs; rave-sp
   - Use devm_* managed resources; cros_ec
   - Interrogate HW for firmware version; rave-sp
   - Provide ACPI support for ChromeOS Embedded-Controller

  Bug Fixes:
   - Reorder ordered (enum) device list; tps65218
   - Only accept valid data from the offset; rave-sp
   - Refrain from copying junk from failed SPI read; cros_ec_dev
   - Fix potential memory leaks; pcf50633-core
   - Fix clock initialisation; twl-core
   - Fix build-issue; tps65911
   - Fix off-by-one error; tps65911
   - Fix code ordering issues; intel-lpss
   - Fix COMPILE_TEST related issues; pwm-stm32
   - Fix broken MMC card detection; asic3
   - Fix clocking related issues; intel-lpss-pci"

* tag 'mfd-next-4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (84 commits)
  mfd: cros_ec: Remove unused __remove function
  mfd: wm97xx-core: Platform data can be NULL
  mfd: cros_ec_dev: Don't advertise junk features on failure
  mfd: cros_ec: Use devm_kzalloc for private data
  mfd: intel-lpss: Fix Intel Cannon Lake LPSS I2C input clock
  mfd: asic3: Fix broken MMC card detection
  mfd: timberdale: Fix spelling mistake "Uknown" -> "Unknown"
  mfd: omap-usb-host: Use match_string() helper
  mfd: stm32-timers: Fix pwm-stm32 linker issue with COMPILE_TEST
  pwm: stm32: Initialize raw local variables
  mfd: arizona: Update DT doc to support more standard Reset binding
  dt-bindings: mfd: Add bindings for DA9063L
  mfd: intel-lpss: Correct names of RESETS register bits
  mfd: qcom-spmi-pmic: Add support for pm8005, pm8998 and pmi8998
  mfd: intel-lpss: Program REMAP register in PIO mode
  mfd: cros_ec_i2c: Moving the system sleep pm ops to late
  mfd: cros_ec_i2c: Add ACPI module device table
  mfd: cros_ec_dev: Register shutdown function for debugfs
  mfd: cros_ec_dev: Register cros-ec-rtc driver as a subdevice
  mfd: cros_ec: Don't try to grab log when suspended
  ...
2018-06-11 07:20:17 -07:00
Chaitanya Kulkarni c42d7a30ab nvmet: free smart-log buffer after use
Free smart-log buffer allocated in the function after use.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-06-11 16:18:05 +02:00
Max Gurtovoy 94423a8f89 nvme-rdma: fix error flow during mapping request data
After dma mapping the sgl, we map the sgl to nvme sgl descriptor. In case
of failure during the last mapping we never dma unmap the sgl.

Signed-off-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-06-11 16:17:58 +02:00
Hannes Reinecke 2796b56959 nvme: add bio remapping tracepoint
Adding a tracepoint to trace bio remapping for native nvme multipath.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-06-11 16:17:46 +02:00
Israel Rukshin 16001c1072 nvme: fix NULL pointer dereference in nvme_init_subsystem
When using nvme-pci driver the nvmf_ctrl_options is NULL.
There is no need to check for discovery_nqn flag at non-fabrics controller.

Fixes: 181303d0 ("nvme-fabrics: allow duplicate connections to the discovery controller")
Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-06-11 16:17:41 +02:00
Linus Torvalds 8d08c05542 msm next, i915, vc4, v3d fixes
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Merge tag 'drm-next-2018-06-11' of git://anongit.freedesktop.org/drm/drm

Pull drm msm updates and misc fixes from Dave Airlie:
 "I looked at Rob's msm tree, he kept it small due to being late, and it
  was in -next for a while before he was ill, so I think it should be
  fine.

  Otherwise this contains a set of i915 fixes and a v3d build fix, and
  vc4 leak fix"

* tag 'drm-next-2018-06-11' of git://anongit.freedesktop.org/drm/drm: (31 commits)
  drm/i915/icl: Don't update enabled dbuf slices struct until updated in hw
  drm/i915/icl: fix icl_unmap/map_plls_to_ports
  drm/i915: Remove bogus NV12 PLANE_COLOR_CTL setup
  drm/msm: Fix NULL deref on bind/probe deferral
  drm/msm: Switch to atomic_helper_commit()
  drm/msm: Remove msm_commit/worker, use atomic helper commit
  drm/msm: Issue queued events when disabling crtc
  drm/msm: Move implicit sync handling to prepare_fb
  drm/msm: Refactor complete_commit() to look more the helpers
  drm/msm: Don't subclass drm_atomic_state anymore
  drm/msm/mdp5: Use the new private_obj state
  drm/msm/mdp5: Add global state as a private atomic object
  drm/msm: use correct aspace pointer in msm_gem_put_iova()
  drm/msm: remove unbalanced mutex unlock
  drm/msm: don't deref error pointer in the msm_fbdev_create error path
  drm/msm/dsi: use correct enum in dsi_get_cmd_fmt
  drm/msm: Fix possible null dereference on failure of get_pages()
  drm/msm: Add modifier to mdp_get_format arguments
  drm/msm: Mark the crtc->state->event consumed
  drm/msm/dsi: implement auto PHY timing calculator for 10nm PHY
  ...
2018-06-11 07:17:36 -07:00
Roman Pen a347c7ad8e blk-mq: reinit q->tag_set_list entry only after grace period
It is not allowed to reinit q->tag_set_list list entry while RCU grace
period has not completed yet, otherwise the following soft lockup in
blk_mq_sched_restart() happens:

[ 1064.252652] watchdog: BUG: soft lockup - CPU#12 stuck for 23s! [fio:9270]
[ 1064.254445] task: ffff99b912e8b900 task.stack: ffffa6d54c758000
[ 1064.254613] RIP: 0010:blk_mq_sched_restart+0x96/0x150
[ 1064.256510] Call Trace:
[ 1064.256664]  <IRQ>
[ 1064.256824]  blk_mq_free_request+0xea/0x100
[ 1064.256987]  msg_io_conf+0x59/0xd0 [ibnbd_client]
[ 1064.257175]  complete_rdma_req+0xf2/0x230 [ibtrs_client]
[ 1064.257340]  ? ibtrs_post_recv_empty+0x4d/0x70 [ibtrs_core]
[ 1064.257502]  ibtrs_clt_rdma_done+0xd1/0x1e0 [ibtrs_client]
[ 1064.257669]  ib_create_qp+0x321/0x380 [ib_core]
[ 1064.257841]  ib_process_cq_direct+0xbd/0x120 [ib_core]
[ 1064.258007]  irq_poll_softirq+0xb7/0xe0
[ 1064.258165]  __do_softirq+0x106/0x2a2
[ 1064.258328]  irq_exit+0x92/0xa0
[ 1064.258509]  do_IRQ+0x4a/0xd0
[ 1064.258660]  common_interrupt+0x7a/0x7a
[ 1064.258818]  </IRQ>

Meanwhile another context frees other queue but with the same set of
shared tags:

[ 1288.201183] INFO: task bash:5910 blocked for more than 180 seconds.
[ 1288.201833] bash            D    0  5910   5820 0x00000000
[ 1288.202016] Call Trace:
[ 1288.202315]  schedule+0x32/0x80
[ 1288.202462]  schedule_timeout+0x1e5/0x380
[ 1288.203838]  wait_for_completion+0xb0/0x120
[ 1288.204137]  __wait_rcu_gp+0x125/0x160
[ 1288.204287]  synchronize_sched+0x6e/0x80
[ 1288.204770]  blk_mq_free_queue+0x74/0xe0
[ 1288.204922]  blk_cleanup_queue+0xc7/0x110
[ 1288.205073]  ibnbd_clt_unmap_device+0x1bc/0x280 [ibnbd_client]
[ 1288.205389]  ibnbd_clt_unmap_dev_store+0x169/0x1f0 [ibnbd_client]
[ 1288.205548]  kernfs_fop_write+0x109/0x180
[ 1288.206328]  vfs_write+0xb3/0x1a0
[ 1288.206476]  SyS_write+0x52/0xc0
[ 1288.206624]  do_syscall_64+0x68/0x1d0
[ 1288.206774]  entry_SYSCALL_64_after_hwframe+0x3d/0xa2

What happened is the following:

1. There are several MQ queues with shared tags.
2. One queue is about to be freed and now task is in
   blk_mq_del_queue_tag_set().
3. Other CPU is in blk_mq_sched_restart() and loops over all queues in
   tag list in order to find hctx to restart.

Because linked list entry was modified in blk_mq_del_queue_tag_set()
without proper waiting for a grace period, blk_mq_sched_restart()
never ends, spining in list_for_each_entry_rcu_rr(), thus soft lockup.

Fix is simple: reinit list entry after an RCU grace period elapsed.

Fixes: Fixes: 705cda97ee ("blk-mq: Make it safe to use RCU to iterate over blk_mq_tag_set.tag_list")
Cc: stable@vger.kernel.org
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: linux-block@vger.kernel.org
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Roman Pen <roman.penyaev@profitbricks.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-06-11 08:13:41 -06:00
Qu Wenruo ac0b4145d6 btrfs: scrub: Don't use inode pages for device replace
[BUG]
Btrfs can create compressed extent without checksum (even though it
shouldn't), and if we then try to replace device containing such extent,
the result device will contain all the uncompressed data instead of the
compressed one.

Test case already submitted to fstests:
https://patchwork.kernel.org/patch/10442353/

[CAUSE]
When handling compressed extent without checksum, device replace will
goe into copy_nocow_pages() function.

In that function, btrfs will get all inodes referring to this data
extents and then use find_or_create_page() to get pages direct from that
inode.

The problem here is, pages directly from inode are always uncompressed.
And for compressed data extent, they mismatch with on-disk data.
Thus this leads to corrupted compressed data extent written to replace
device.

[FIX]
In this attempt, we could just remove the "optimization" branch, and let
unified scrub_pages() to handle it.

Although scrub_pages() won't bother reusing page cache, it will be a
little slower, but it does the correct csum checking and won't cause
such data corruption caused by "optimization".

Note about the fix: this is the minimal fix that can be backported to
older stable trees without conflicts. The whole callchain from
copy_nocow_pages() can be deleted, and will be in followup patches.

Fixes: ff023aac31 ("Btrfs: add code to scrub to copy read data to another disk")
CC: stable@vger.kernel.org # 4.4+
Reported-by: James Harvey <jamespharvey20@gmail.com>
Reviewed-by: James Harvey <jamespharvey20@gmail.com>
Signed-off-by: Qu Wenruo <wqu@suse.com>
[ remove code removal, add note why ]
Signed-off-by: David Sterba <dsterba@suse.com>
2018-06-11 15:59:14 +02:00
Zhouyang Jia 6d531e7b97 ALSA: emu10k1: add error handling for snd_ctl_add
When snd_ctl_add fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling snd_ctl_add.

Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-06-11 15:23:00 +02:00
Zhouyang Jia ef1ffbe788 ALSA: fm801: add error handling for snd_ctl_add
When snd_ctl_add fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling snd_ctl_add.

Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-06-11 15:21:19 +02:00
Bjorn Helgaas ce4c7b2412 Merge branch 'pci/aer-squash'
- squash AER directory into drivers/pci/pcie/aer.c (Bjorn Helgaas)

* pci/aer-squash:
  PCI/AER: Use "PCI Express" consistently in Kconfig text
  PCI/AER: Hoist aerdrv.c, aer_inject.c up to drivers/pci/pcie/
  PCI/AER: Squash Kconfig.debug into Kconfig
  PCI/AER: Move private AER things to aerdrv.c
  PCI/AER: Move aer_irq() declaration to portdrv.h
  PCI/AER: Move pcie_aer_get_firmware_first() to portdrv.h
  PCI/AER: Remove duplicate pcie_port_bus_type declaration
  PCI/AER: Squash ecrc.c into aerdrv.c
  PCI/AER: Squash aerdrv_acpi.c into aerdrv.c
  PCI/AER: Squash aerdrv_errprint.c into aerdrv.c
  PCI/AER: Squash aerdrv_core.c into aerdrv.c
  PCI/AER: Reorder code to group probe/remove stuff together
  PCI/AER: Remove forward declarations
2018-06-11 08:14:42 -05:00
Bjorn Helgaas 3b3191df4e Merge branch 'pci/renames'
- collect all native hardware drivers under drivers/pci/controller/
    (Shawn Lin)

* pci/renames:
  PCI: Collect all native drivers under drivers/pci/controller/
2018-06-11 08:14:40 -05:00
Bjorn Helgaas 0b15f1e38f PCI/AER: Use "PCI Express" consistently in Kconfig text
Use "PCI Express" consistently in Kconfig text.  No functional change
intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:11:47 -05:00
Bjorn Helgaas 4696b828ca PCI/AER: Hoist aerdrv.c, aer_inject.c up to drivers/pci/pcie/
Hoist aerdrv.c, aer_inject.c up to drivers/pci/pcie/ so they're next to
other PCIe service drivers.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:11:39 -05:00
Bjorn Helgaas adc1f22f5a PCI/AER: Squash Kconfig.debug into Kconfig
Squash Kconfig.debug into Kconfig.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:11:32 -05:00
Bjorn Helgaas 23e672bc2a PCI/AER: Move private AER things to aerdrv.c
Most of the things in aerdrv.h are only used in aerdrv.c, so move them
there.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:11:25 -05:00
Bjorn Helgaas f53e7418c3 PCI/AER: Move aer_irq() declaration to portdrv.h
The aer_irq() declaration is the only thing needed by aer_inject.c.  Move
it to portdrv.h so we eventually get rid of aerdrv.h completely.  No
functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:11:18 -05:00
Bjorn Helgaas 0544b04b79 PCI/AER: Move pcie_aer_get_firmware_first() to portdrv.h
Move pcie_aer_get_firmware_first() to portdrv.h, where it can be more
easily shared between AER and DPC.  Then DPC no longer needs to include
aer/aerdrv.h.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:11:11 -05:00
Bjorn Helgaas 16c33b1595 PCI/AER: Remove duplicate pcie_port_bus_type declaration
pcie_port_bus_type is already declared in portdrv.h, so remove the
unnecessary duplicate declaration in aerdrv.h.  No functional change
intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:11:05 -05:00
Bjorn Helgaas 41cbc9eb1a PCI/AER: Squash ecrc.c into aerdrv.c
Squash ecrc.c into aerdrv.c.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:10:59 -05:00
Bjorn Helgaas 256a459370 PCI/AER: Squash aerdrv_acpi.c into aerdrv.c
Squash aerdrv_acpi.c into aerdrv.c.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:10:53 -05:00
Bjorn Helgaas 0319c9a0ef PCI/AER: Squash aerdrv_errprint.c into aerdrv.c
Squash aerdrv_errprint.c into aerdrv.c.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:10:45 -05:00
Bjorn Helgaas fd3362cb73 PCI/AER: Squash aerdrv_core.c into aerdrv.c
Squash aerdrv_core.c into aerdrv.c.  No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:10:33 -05:00
Bjorn Helgaas 3c43a64cb3 PCI/AER: Reorder code to group probe/remove stuff together
Reorder code to group probe/remove stuff together.  No functional change
intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Keith Busch <keith.busch@intel.com>
2018-06-11 08:10:27 -05:00
Johan Hovold d5318d302e backlight: as3711_bl: Fix Device Tree node leaks
Two framebuffer device-node names were looked up during probe, but were
only used as flags to indicate the presence of two framebuffer device.

Drop the unused framebuffer name along with a likewise unused device
pointer from the driver data, and update the platform data to pass in
booleans instead of the framebuffer strings. This allows us do drop the
node references acquired during probe, which would otherwise leak.

Note that there are no other in-kernel users of the modified
platform-data fields.

Fixes: 59eb2b5e57 ("drivers/video/backlight/as3711_bl.c: add OF support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-11 13:40:45 +01:00
Johan Hovold 2b12dfa124 backlight: tps65217_bl: Fix Device Tree node lookup
Fix child-node lookup during probe, which ended up searching the whole
device tree depth-first starting at the parent rather than just matching
on its children.

This would only cause trouble if the child node is missing while there
is an unrelated node named "backlight" elsewhere in the tree.

Cc: stable <stable@vger.kernel.org>     # 3.7
Fixes: eebfdc17cc ("backlight: Add TPS65217 WLED driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-11 13:40:39 +01:00
Johan Hovold d1cc0ec3da backlight: max8925_bl: Fix Device Tree node lookup
Fix child-node lookup during probe, which ended up searching the whole
device tree depth-first starting at the parent rather than just matching
on its children.

To make things worse, the parent mfd node was also prematurely freed,
while the child backlight node was leaked.

Cc: stable <stable@vger.kernel.org>     # 3.9
Fixes: 47ec340cb8 ("mfd: max8925: Support dt for backlight")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-11 13:40:32 +01:00
Johan Hovold 4a9c8bb2ac backlight: as3711_bl: Fix Device Tree node lookup
Fix child-node lookup during probe, which ended up searching the whole
device tree depth-first starting at the parent rather than just matching
on its children.

To make things worse, the parent mfd node was also prematurely freed.

Cc: stable <stable@vger.kernel.org>     # 3.10
Fixes: 59eb2b5e57 ("drivers/video/backlight/as3711_bl.c: add OF support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-11 13:40:20 +01:00
James Hogan 9ed8b56b80
MAINTAINERS: Add Paul Burton as MIPS co-maintainer
I soon won't have access to much MIPS hardware, nor enough time to
properly maintain MIPS on my own, so add Paul Burton as a co-maintainer.

Also add a link to a new shared git repository on kernel.org for
linux-next branches and pull request tags.

Signed-off-by: James Hogan <jhogan@kernel.org>
Acked-by: Paul Burton <paul.burton@mips.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Matt Redfearn <matt.redfearn@mips.com>
Cc: Maciej W. Rozycki <macro@mips.com>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/19473/
2018-06-11 13:37:49 +01:00
Anders Roxell 1c9ca7e983 selftests: bpf: fix urandom_read build issue
gcc complains that urandom_read gets built twice.

gcc -o tools/testing/selftests/bpf/urandom_read
-static urandom_read.c -Wl,--build-id
gcc -Wall -O2 -I../../../include/uapi -I../../../lib -I../../../lib/bpf
-I../../../../include/generated  -I../../../include    urandom_read.c
urandom_read -lcap -lelf -lrt -lpthread -o
tools/testing/selftests/bpf/urandom_read
gcc: fatal error: input file
‘tools/testing/selftests/bpf/urandom_read’ is the
same as output file
compilation terminated.
../lib.mk:110: recipe for target
'tools/testing/selftests/bpf/urandom_read' failed
To fix this issue remove the urandom_read target and so target
TEST_CUSTOM_PROGS gets used.

Fixes: 81f77fd0de ("bpf: add selftest for stackmap with BPF_F_STACK_BUILD_ID")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2018-06-11 12:55:56 +02:00
Sébastien Szymanski 0aa9abd4c2 cpufreq: imx6q: check speed grades for i.MX6ULL
Check the max speed supported from the fuses for i.MX6ULL and update the
operating points table accordingly.

Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2018-06-11 10:13:27 +02:00
Arnd Bergmann 556c242045 mfd: cros_ec: Remove unused __remove function
This function is no longer called, so we get a harmless
warning until it is removed as well:

drivers/mfd/cros_ec_dev.c:265:13: error: '__remove' defined but not used [-Werror=unused-function]

Fixes: 3aa2177e47 ("mfd: cros_ec: Use devm_kzalloc for private data")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-11 09:11:12 +01:00
Robert Jarzmik 46f107d0cb mfd: wm97xx-core: Platform data can be NULL
It is not mandatory that platform data is passed along the ac97
codec. Actually there are configuration without a battery connected to
the ADC of the codec.

This is for example the case for the PXA zylonite platform, so fix the
NULL dereferencing by adding a test.

Fixes: a5c6951c49 ("mfd: wm97xx-core: core support for wm97xx Codec")
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-06-11 09:11:03 +01:00
Al Viro 87a3002af9 vmsplice(): lift importing iovec into vmsplice(2) and compat counterpart
... getting rid of transformations in the latter - just use
compat_import_iovec().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-06-11 02:14:04 -04:00
Linus Torvalds f0dc7f9c6d Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix several bpfilter/UMH bugs, in particular make the UMH build not
    depend upon X86 specific Kconfig symbols. From Alexei Starovoitov.

 2) Fix handling of modified context pointer in bpf verifier, from
    Daniel Borkmann.

 3) Kill regression in ifdown/ifup sequences for hv_netvsc driver, from
    Dexuan Cui.

 4) When the bonding primary member name changes, we have to re-evaluate
    the bond->force_primary setting, from Xiangning Yu.

 5) Eliminate possible padding beyone end of SKB in cdc_ncm driver, from
    Bjørn Mork.

 6) RX queue length reported for UDP sockets in procfs and socket diag
    are inaccurate, from Paolo Abeni.

 7) Fix br_fdb_find_port() locking, from Petr Machata.

 8) Limit sk_rcvlowat values properly in TCP, from Soheil Hassas
    Yeganeh.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (23 commits)
  tcp: limit sk_rcvlowat by the maximum receive buffer
  net: phy: dp83822: use BMCR_ANENABLE instead of BMSR_ANEGCAPABLE for DP83620
  socket: close race condition between sock_close() and sockfs_setattr()
  net: bridge: Fix locking in br_fdb_find_port()
  udp: fix rx queue len reported by diag and proc interface
  cdc_ncm: avoid padding beyond end of skb
  net/sched: act_simple: fix parsing of TCA_DEF_DATA
  net: fddi: fix a possible null-ptr-deref
  net: aquantia: fix unsigned numvecs comparison with less than zero
  net: stmmac: fix build failure due to missing COMMON_CLK dependency
  bpfilter: fix race in pipe access
  bpf, xdp: fix crash in xdp_umem_unaccount_pages
  xsk: Fix umem fill/completion queue mmap on 32-bit
  tools/bpf: fix selftest get_cgroup_id_user
  bpfilter: fix OUTPUT_FORMAT
  umh: fix race condition
  net: mscc: ocelot: Fix uninitialized error in ocelot_netdevice_event()
  bonding: re-evaluate force_primary when the primary slave name changes
  ip_tunnel: Fix name string concatenate in __ip_tunnel_create()
  hv_netvsc: Fix a network regression after ifdown/ifup
  ...
2018-06-10 19:25:23 -07:00
Sam Ravnborg 8593080c0f kconfig: fix localmodconfig
When kconfig syntax moved to use $(FOO) for environment variables
localmodconfig was not updated.
Fix so it now works with the new syntax $(FOO)

Fixes: 104daea149 ("kconfig: reference environment variables directly and remove 'option env='")
Reported-by: Kevin Locke <kevin@kevinlocke.name>
Reported-by: Andrei Vagin <avagin@virtuozzo.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Kevin Locke <kevin@kevinlocke.name>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-06-11 09:16:30 +09:00
Masahiro Yamada 2c4da1a78a sh: remove no-op macro VMLINUX_SYMBOL()
VMLINUX_SYMBOL() is no-op unless CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX
is defined.  It has ever been selected only by BLACKFIN and METAG.
VMLINUX_SYMBOL() is unneeded for SuperH-specific code.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-06-11 09:16:29 +09:00
Nicholas Piggin abba759796 powerpc/kbuild: move -mprofile-kernel check to Kconfig
This eliminates the workaround that requires disabling
-mprofile-kernel by default in Kconfig.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Acked-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2018-06-11 09:16:29 +09:00