Commit Graph

815968 Commits

Author SHA1 Message Date
Linus Torvalds
680905431b Char/Misc fixes for 5.0-rc6
Here are some small char and misc driver fixes for 5.0-rc6.
 
 Nothing huge here, some more binderfs fixups found as people use it, and
 there is a "large" selftest added to validate the binderfs code, which
 makes up the majority of this pull request.
 
 There's also some small mei and mic fixes to resolve some reported
 issues.
 
 All of these have been in linux-next for over a week with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc fixes from Greg KH:
 "Here are some small char and misc driver fixes for 5.0-rc6.

  Nothing huge here, some more binderfs fixups found as people use it,
  and there is a "large" selftest added to validate the binderfs code,
  which makes up the majority of this pull request.

  There's also some small mei and mic fixes to resolve some reported
  issues.

  All of these have been in linux-next for over a week with no reported
  issues"

* tag 'char-misc-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  mic: vop: Fix crash on remove
  mic: vop: Fix use-after-free on remove
  binderfs: remove separate device_initcall()
  fpga: stratix10-soc: fix wrong of_node_put() in init function
  mic: vop: Fix broken virtqueues
  mei: free read cb on ctrl_wr list flush
  samples: mei: use /dev/mei0 instead of /dev/mei
  mei: me: add ice lake point device id.
  binderfs: respect limit on binder control creation
  binder: fix CONFIG_ANDROID_BINDER_DEVICES
  selftests: add binderfs selftests
2019-02-08 10:56:31 -08:00
Linus Torvalds
8c8e62cc98 Driver core fixes for 5.0-rc6
Here are some driver core fixes for 5.0-rc6.
 
 Well, not so much "driver core" as "debugfs".  There's a lot of
 outstanding debugfs cleanup patches coming in through different
 subsystem trees, and in that process the debugfs core was found that it
 really should return errors when something bad happens, to prevent
 random files from showing up in the root of debugfs afterward.  So
 debugfs was fixed up to handle this properly, and then two fixes for
 the relay and blk-mq code was needed as it was making invalid
 assumptions about debugfs return values.
 
 There's also a cacheinfo fix in here that resolves a tiny issue.
 
 All of these have been in linux-next for over a week with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some driver core fixes for 5.0-rc6.

  Well, not so much "driver core" as "debugfs". There's a lot of
  outstanding debugfs cleanup patches coming in through different
  subsystem trees, and in that process the debugfs core was found that
  it really should return errors when something bad happens, to prevent
  random files from showing up in the root of debugfs afterward. So
  debugfs was fixed up to handle this properly, and then two fixes for
  the relay and blk-mq code was needed as it was making invalid
  assumptions about debugfs return values.

  There's also a cacheinfo fix in here that resolves a tiny issue.

  All of these have been in linux-next for over a week with no reported
  problems"

* tag 'driver-core-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  blk-mq: protect debugfs_create_files() from failures
  relay: check return of create_buf_file() properly
  debugfs: debugfs_lookup() should return NULL if not found
  debugfs: return error values, not NULL
  debugfs: fix debugfs_rename parameter checking
  cacheinfo: Keep the old value if of_property_read_u32 fails
2019-02-08 10:53:44 -08:00
Linus Torvalds
e464f50c05 Staging/IIO driver fixes for 5.0-rc6
Here are some small iio and staging driver fixes for 5.0-rc6.
 
 Nothing big, just resolve some reported IIO driver issues, and one
 staging driver bug.  One staging driver patch was added and then
 reverted as well.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are some small iio and staging driver fixes for 5.0-rc6.

  Nothing big, just resolve some reported IIO driver issues, and one
  staging driver bug. One staging driver patch was added and then
  reverted as well.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'staging-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  Revert "staging: erofs: keep corrupted fs from crashing kernel in erofs_namei()"
  staging: erofs: keep corrupted fs from crashing kernel in erofs_namei()
  staging: octeon: fix broken phylib usage
  iio: ti-ads8688: Update buffer allocation for timestamps
  tools: iio: iio_generic_buffer: make num_loops signed
  iio: adc: axp288: Fix TS-pin handling
  iio: chemical: atlas-ph-sensor: correct IIO_TEMP values to millicelsius
2019-02-08 10:51:59 -08:00
Linus Torvalds
e22a15d1c4 TTY/Serial fixes for 5.0-rc6
Here are some small tty and serial fixes for 5.0-rc6.
 
 Nothing huge, just a few small fixes for reported issues.  The speakup
 fix is in here as it is a tty operation issue.
 
 All of these have been in linux-next for a while with no reported
 problems.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial fixes from Greg KH:
 "Here are some small tty and serial fixes for 5.0-rc6.

  Nothing huge, just a few small fixes for reported issues. The speakup
  fix is in here as it is a tty operation issue.

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

* tag 'tty-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: fix race between flush_to_ldisc and tty_open
  staging: speakup: fix tty-operation NULL derefs
  serial: sh-sci: Do not free irqs that have already been freed
  serial: 8250_pci: Make PCI class test non fatal
  tty: serial: 8250_mtk: Fix potential NULL pointer dereference
2019-02-08 10:49:55 -08:00
Linus Torvalds
00a159a000 USB fixes for 5.0-rc6
Here are some small USB fixes for 5.0-rc6.
 
 Nothing huge, the normal amount of USB gadget fixes as well as some USB
 phy fixes.  There's also a typec fix as well.  Full details are in the
 shortlog.
 
 All of these have been in linux-next for a while with no reported
 issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Grek KH:
 "Here are some small USB fixes for 5.0-rc6.

  Nothing huge, the normal amount of USB gadget fixes as well as some
  USB phy fixes. There's also a typec fix as well. Full details are in
  the shortlog.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: tcpm: Correct the PPS out_volt calculation
  usb: gadget: musb: fix short isoc packets with inventra dma
  usb: phy: am335x: fix race condition in _probe
  usb: dwc3: exynos: Fix error handling of clk_prepare_enable
  usb: phy: fix link errors
  usb: gadget: udc: net2272: Fix bitwise and boolean operations
  usb: dwc3: gadget: Handle 0 xfer length for OUT EP
2019-02-08 10:48:26 -08:00
Linus Torvalds
bd5ff862ec Changes since last update:
- Fix cache coherency problem with writeback mappings
 - Fix buffer deadlock when shutting fs down
 - Fix a null pointer dereference when running online repair
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Merge tag 'xfs-5.0-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

Pull xfs fixes from Darrick Wong:
 "Here are a handful of XFS fixes to fix a data corruption problem, a
  crasher bug, and a deadlock.

  Summary:

   - Fix cache coherency problem with writeback mappings

   - Fix buffer deadlock when shutting fs down

   - Fix a null pointer dereference when running online repair"

* tag 'xfs-5.0-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
  xfs: set buffer ops when repair probes for btree type
  xfs: end sync buffer I/O properly on shutdown error
  xfs: eof trim writeback mapping as soon as it is cached
2019-02-08 10:46:14 -08:00
Linus Torvalds
adcbc921d3 drm amdgpu, vmwgfx, i915, omap, sun4i fixes
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Merge tag 'drm-fixes-2019-02-08' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Missed fixes last week as had nothing until amdgpu showed up on
  Saturday. Other stuff has since rolled in along with some more amdgpu
  fixes, so we have two weeks of those, and some i915, vmwgfx, sun4i,
  rockchip and omap fixes.

  amdgpu/radeon:
   - fix crash on passthrough for SI
   - fencing fix for shared buffers
   - APU hwmon fix
   - API powerplay fix
   - eDP freesync fix
   - PASID mgr locking fix
   - KFD warning fix
   - DC/powerplay fix
   - raven revision ids fix
   - vega20 doorbell fix

  i915:
   - SNB display fix
   - SKL srckey mask fix
   - ICL DDI clock selection fix

  vmwgfx:
   - DMA API fix
   - IOMMU detection fix
   - display fixes

  sun4i:
   - tcon clock fix

  rockchip:
   - SPDX identifier fix

  omap:
   - DSI fixes"

* tag 'drm-fixes-2019-02-08' of git://anongit.freedesktop.org/drm/drm: (28 commits)
  drm/omap: dsi: Hack-fix DSI bus flags
  drm/omap: dsi: Fix OF platform depopulate
  drm/omap: dsi: Fix crash in DSI debug dumps
  drm/i915: Try to sanitize bogus DPLL state left over by broken SNB BIOSen
  drm/amd/display: Attach VRR properties for eDP connectors
  drm/amdkfd: Fix if preprocessor statement above kfd_fill_iolink_info_for_cpu
  drm/amdgpu: use spin_lock_irqsave to protect vm_manager.pasid_idr
  drm/i915: always return something on DDI clock selection
  drm/i915: Fix skl srckey mask bits
  drm/vmwgfx: Improve on IOMMU detection
  drm/vmwgfx: Fix setting of dma masks
  drm/vmwgfx: Also check for crtc status while checking for DU active
  drm/vmwgfx: Fix an uninitialized fence handle value
  drm/vmwgfx: Return error code from vmw_execbuf_copy_fence_user
  drm/sun4i: tcon: Prepare and enable TCON channel 0 clock at init
  drm/amdgpu: fix the incorrect external id for raven series
  drm/amdgpu: Implement doorbell self-ring for NBIO 7.4
  drm/amd/display: Fix fclk idle state
  drm/amdgpu: Transfer fences to dmabuf importer
  drm/amd/powerplay: Fix missing break in switch
  ...
2019-02-08 10:43:15 -08:00
Johannes Berg
61edb116ca ieee80211: fix for_each_element_extid()
The data/datalen argument names cannot be used as those
are also the struct element names, fix that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 17:56:33 +01:00
Axel Lin
c68f47aa02
regulator: lm363x: Check return value of gpiod_get_index_optional
gpiod_get_index_optional can return ERR_PTR, add IS_ERR checking for it.
While at it, also remove a redundant NULL test for gpiod in error path.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-02-08 16:50:52 +00:00
Johan Hovold
b735f41dcb
dt-bindings: regulator: update fixed-regulator example
Fixed regulators do not have associated bus addresses and are typically
placed directly under the root node where their names must still be
unique despite not having a unit address.

Fix the malformed example node which had a unit address but no "reg"
property by dropping the unit address.

Also, try to make the example more useful by using the recommended
generic node name "regulator", but with a suffix reflecting the
regulator name in order to make it unique.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-02-08 16:48:57 +00:00
Lukas Bulwahn
9ab7d228e9 MAINTAINERS: unify reference to xen-devel list
In the linux kernel MAINTAINERS file, largely
  "xen-devel@lists.xenproject.org (moderated for non-subscribers)"
is used to refer to the xen-devel mailing list.

The DRM DRIVERS FOR XEN section entry mentions
xen-devel@lists.xen.org instead, but that is just the same
mailing list as the mailing list above.

Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
2019-02-08 17:18:00 +01:00
Takashi Iwai
00a399cad1 ALSA: pcm: Revert capture stream behavior change in blocking mode
In the commit 62ba568f7a ("ALSA: pcm: Return 0 when size <
start_threshold in capture"), we changed the behavior of
__snd_pcm_lib_xfer() to return immediately with 0 when a capture
stream has a high start_threshold.  This was intended to be a
correction of the behavior consistency and looked harmless, but this
was the culprit of the recent breakage reported by syzkaller, which
was fixed by the commit e190161f96 ("ALSA: pcm: Fix tight loop of
OSS capture stream").

At the time for the OSS fix, I didn't touch the behavior for ALSA
native API, as assuming that this behavior actually is good.  But this
turned out to be also broken actually for a similar deployment,
e.g. one thread goes to a write loop in blocking mode while another
thread controls the start/stop of the stream manually.

Overall, the original commit is harmful, and it brings less merit to
keep that behavior.  Let's revert it.

Fixes: 62ba568f7a ("ALSA: pcm: Return 0 when size < start_threshold in capture")
Fixes: e190161f96 ("ALSA: pcm: Fix tight loop of OSS capture stream")
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2019-02-08 16:54:31 +01:00
Colin Ian King
34025a1056 rsi: fix indentation issue with a code block
There is a block of code that is indented at the wrong level. Fix this
with extra tabbing.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:31:23 +02:00
Sergey Matyukevich
47b08e75a6 qtnfmac: enable WPA3 SAE support
In the case of SAE AP, drivers offload authentication to user-space
software, e.g. hostapd. For FullMAC drivers the procedure is as follows.
If auth_type is SAE and user space indicates external authentication
capability, then driver requests authentication offload to user-space
software using cfg80211_external_auth_request call. From that point,
auth frame exchange is performed transparently for driver: user-space
software sends/receives mgmt frames using mgmt_tx/mgmt_frame_register
cfg80211 callbacks. As soon as authenitcation is completed, user-space
software notifies driver about its status using external_auth cfg80211
callback.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:30:24 +02:00
Sergey Matyukevich
524d6323af qtnfmac: enable WPA3 OWE support
In the case of OWE, STA should be able to pass DH IEs from AP assoc
responses to wpa_s for processing. For this purpose DH IEs are
received from firmware in BSS_JOIN events and passed to wireless
core and then to wpa_s as additional optional rsp_ies parameter
for cfg80211_connect_result.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:30:23 +02:00
Siva Rebbagondla
38ef8d9016 rsi: fix for wowlan wakeup failure
During wowlan regression tests, sometimes radio is not waking up for wowlan
packet in coex mode. This is because of power save is enabled by default
in case of coex mode greater than one. Hence, disable power save in coex
mode to avoid radio loss.

Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:29:42 +02:00
Siva Rebbagondla
73f9b25714 rsi: resolve power save issue after S4 resume
We are redownloading the firmware after S4 restore and observed in
stress test that mac80211 sometimes gives power save request after
resume which causes the firmware in bad state. mac_ops_resumed flag
is added to skip that request until initialisation is done and Keeping
power save state is NONE.

Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:29:40 +02:00
Siva Rebbagondla
a63762d0dc rsi: fix wowlan wakeup issue for hibernate(S4)
At SDIO restore ieee80211_restart_hw() is getting called to restart all
MAC operations. This step is not required.
Returning 1 from mac80211_resume() will serve this purpose.

Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:29:39 +02:00
Siva Rebbagondla
cbde979b33 rsi: add hci detach for hibernation and poweroff
As we missed to detach HCI, while entering power off or hibernation,
an extra hci interface gets created whenever system is woken up, to
avoid this we added hci_detach() in rsi_disconnect(), rsi_freeze(),
and rsi_shutdown() functions which are invoked for these tests.
This patch fixes the issue

Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:29:35 +02:00
Siva Rebbagondla
6f3a5de16d rsi: Add debug support for wowlan wakeup confirmation
When a wowlan magic-packet has received to wake up the device, currently
driver is not taking care of what kind of packet has received. This patch
will add debug support for wakeup reason in driver.

Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:29:34 +02:00
YueHaibing
78f2ef18e1 rtlwifi: remove set but not used variable 'cmd_seq'
Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/wireless/realtek/rtlwifi/base.c: In function 'rtl_c2h_content_parsing':
drivers/net/wireless/realtek/rtlwifi/base.c:2313:13: warning:
 variable 'cmd_seq' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:28:39 +02:00
Stefan Agner
5208fea64e mwifiex: don't print error message on coex event
The BT coex event is not an error condition. Don't print an error
message in this case. The same even in sta_event.c prints a
message using the debug level already.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:28:06 +02:00
Rafał Miłecki
e665988be2 brcmfmac: support monitor frames with the hardware/ucode header
So far there were two monitor frame formats:
1) 802.11 frames (with frame (sub)type & all addresses)
2) 802.11 frames with the radiotap header

Testing the latest FullMAC firmwares for 4366b1/4366c0 resulted in
discovering a new format being used. It seems (almost?) identical to the
one known from ucode used in SoftMAC devices which is most likely the
same codebase anyway.

While new firmwares will /announce/ radiotap header support using the
"rtap" fw capability string it seems no string was added for the new
ucode header format.

All above means that:
1) We need new format support when dealing with a received frame
2) A new feature bit & mapping quirks have to be added manually

As for now only an empty radiotap is being created. Adding support for
extracting some info (band, channel, signal, etc.) is planned for the
future.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:27:26 +02:00
Matteo Croce
2359dd09f9 brcmfmac: fix typos
Fix spelling mistakes in brcmfmac: "lenght" -> "length".
The typos are also in the special comment blocks which
translates to documentation.

Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:26:38 +02:00
Rafał Miłecki
3ef005b82e brcmfmac: add bphy_err() and use it in the cfg80211.c
This new macro uses wiphy_err() which:
1) Should be the best choice with wiphy already created
2) Uses dev_err() which allows identifying error-affected device

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:23:57 +02:00
Rafał Miłecki
8602e62441 brcmfmac: pass bus to the __brcmf_err() in pcie.c
This enables dev_err() usage (instead of pr_err()) in the __brcmf_err().
It makes error messages more meaningful and is important for debugging
errors/bugs on systems with multiple brcmfmac supported devices.

All bus files should follow & get updated similarly (soon).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:22:48 +02:00
Rafał Miłecki
5cc898fbcb brcmfmac: modify __brcmf_err() to take bus as a parameter
So far __brcmf_err() was using pr_err() which didn't allow identifying
device that was affected by an error. It's crucial for systems with more
than 1 device supported by brcmfmac (a common case for home routers).

This change allows passing struct brcmf_bus to the __brcmf_err(). That
struct has been agreed to be the most common one. It allows accessing
struct device easily & using dev_err() printing helper.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2019-02-08 17:22:47 +02:00
Peter Zijlstra
0521e8be21 x86/mm/cpa: Fix set_mce_nospec()
The recent commit fe0937b24f ("x86/mm/cpa: Fold cpa_flush_range() and
cpa_flush_array() into a single cpa_flush() function") accidentally made
the call to make_addr_canonical_again() go away, which breaks
set_mce_nospec().

Re-instate the call to convert the address back into canonical form right
before invoking either CLFLUSH or INVLPG. Rename the function while at it
to be shorter (and less MAGA).

Fixes: fe0937b24f ("x86/mm/cpa: Fold cpa_flush_range() and cpa_flush_array() into a single cpa_flush() function")
Reported-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Tony Luck <tony.luck@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Rik van Riel <riel@surriel.com>
Link: https://lkml.kernel.org/r/20190208120859.GH32511@hirez.programming.kicks-ass.net
2019-02-08 14:31:56 +01:00
Johannes Berg
db33aa7ea6 Merge branch 'cfg80211-mac80211-multi-bssid' into mac80211-next
This finally merges the multi-BSSID code. This is the result of a
long collaboration between the team at Qualcomm (Peng and Jouni)
and our team at Intel (mostly Sara).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 14:16:35 +01:00
Johannes Berg
851ae31d34 cfg80211: add missing kernel-doc for multi-BSSID fields
Add the missing kernel-doc for the new multi-BSSID fields
in struct cfg80211_bss.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 14:12:25 +01:00
Takashi Iwai
0a5cf9e88b ASoC: Fixes for v5.0
A selection of driver specific fixes here, along with a few core fixes:
 
  - A fixup for some MFD devices that were broken by the previous fixes
    for deferred probe.
  - A fix for potential out of bounds array accesses when ordering DAPM
    power/up down sequences.
  - Avoid use after free issue when unloading and reloading drivers using
    topologies.
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Merge tag 'asoc-fix-v5.0-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v5.0

A selection of driver specific fixes here, along with a few core fixes:

 - A fixup for some MFD devices that were broken by the previous fixes
   for deferred probe.
 - A fix for potential out of bounds array accesses when ordering DAPM
   power/up down sequences.
 - Avoid use after free issue when unloading and reloading drivers using
   topologies.
2019-02-08 14:07:18 +01:00
Axel Lin
dd4cae9ce6
regulator: rt5033: Constify rt5033_safe_ldo_ops and rt5033_buck_ops
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-02-08 13:06:05 +00:00
Guennadi Liakhovetski
82874ba4c6
regulator: fix device unlinking
Device links are refcounted, device_link_remove() has to be called as
many times as device_link_add().

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-02-08 13:05:14 +00:00
Geert Uytterhoeven
35c35fd925
spi: sh-msiof: Replace spi_master by spi_controller
As of commit 8caab75fd2 ('spi: Generalize SPI "master" to
"controller"'), the old master-centric names are compatibility wrappers
for the new controller-centric names.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-02-08 13:04:32 +00:00
Geert Uytterhoeven
5a0e577fc9
spi: sh-hspi: Replace spi_master by spi_controller
As of commit 8caab75fd2 ('spi: Generalize SPI "master" to
"controller"'), the old master-centric names are compatibility wrappers
for the new controller-centric names.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-02-08 13:04:19 +00:00
Geert Uytterhoeven
9428a073eb
spi: rspi: Replace spi_master by spi_controller
As of commit 8caab75fd2 ('spi: Generalize SPI "master" to
"controller"'), the old master-centric names are compatibility wrappers
for the new controller-centric names.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-02-08 13:02:19 +00:00
Jouni Malinen
040bda85b5 mac80211_hwsim: Declare support for Multi-BSSID
This can be used to test cfg80211 support for Multi-BSSID scan result
parsing.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:58:05 +01:00
Sara Sharon
bede8d2996 cfg80211: fix memory leak of new_ie
new_ie is used as a temporary storage for the generation of
the new elements. However, after copying from it the memory
wasn't freed and leaked. Free it.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:56:37 +01:00
Sara Sharon
c17fe043a3 cfg80211: fix the IE inheritance of extension IEs
Extension IEs have ID 255 followed by extension ID. Current
code is buggy in handling it in two ways:
1. When checking if IE is in the frame, it uses just the ID, which
   for extension elements is too broad.
2. It uses 0xFF to mark copied IEs, which will result in not copying
   extension IEs from the subelement.

Fix both issue.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:56:37 +01:00
Sara Sharon
caf56338c2 mac80211: indicate support for multiple BSSID
Set multi-bssid support flags according to driver support.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:56:37 +01:00
Sara Sharon
78ac51f815 mac80211: support multi-bssid
Add support for multi-bssid.

This includes:
- Parsing multi-bssid element
- Overriding DTIM values
- Taking into account in various places the inner BSSID instead of
  transmitter BSSID
- Save aside some multi-bssid properties needed by drivers

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:56:37 +01:00
Johannes Berg
9f308616b6 nl80211: use for_each_element() in validate_ie_attr()
This makes for much simpler code, simply walk through all
the elements and check that the last one found ends with
the end of the data. This works because if any element is
malformed the walk is aborted, we end up with a mismatch.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00
Sara Sharon
0cd01efb03 cfg80211: save multi-bssid properties
When the new IEs are generated, the multiple BSSID elements
are not saved. Save aside properties that are needed later
for PS.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00
Johannes Berg
49a68e0d88 cfg80211: add various struct element finding helpers
We currently have a number of helpers to find elements that just
return a u8 *, change those to return a struct element and add
inlines to deal with the u8 * compatibility.

Note that the match behaviour is changed to start the natch at
the data, so conversion from _ie_match to _elem_match need to
be done carefully.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00
Sara Sharon
7ece9c372b cfg80211: make BSSID generation function inline
This will enable reuse by mac80211.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00
Johannes Berg
c17e28d1bc mac80211: use element iteration macro in parsing
Instead of open-coding the element walk, use the new macro.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00
Sara Sharon
213ed579d3 cfg80211: parse multi-bssid only if HW supports it
Parsing and exposing nontransmitted APs is problematic
when underlying HW doesn't support it. Do it only if
driver indicated support. Allow HE restriction as well,
since the HE spec defined the exact manner that Multiple
BSSID set should behave. APs that not support the HE
spec will have less predictable Multiple BSSID set
support/behavior

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00
Sara Sharon
7011ba583f cfg80211: Move Multiple BSS info to struct cfg80211_bss to be visible
Previously the transmitted BSS and the non-trasmitted BSS list were
defined in struct cfg80211_internal_bss. Move them to struct cfg80211_bss
since mac80211 needs this info.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00
Sara Sharon
a3584f56de cfg80211: Properly track transmitting and non-transmitting BSS
When holding data of the non-transmitting BSS, we need to keep the
transmitting BSS data on. Otherwise it will be released, and release
the non-transmitting BSS with it.

Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00
Johannes Berg
1c8745f3ec cfg80211: use for_each_element() for multi-bssid parsing
Use the new for_each_element() helper here, we cannot use
for_each_subelement() since we have a fixed 1 byte before
the subelements start.

While at it, also fix le16_to_cpup() to be get_unaligned_le16()
since we don't know anything about alignment.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-08 13:51:50 +01:00