Граф коммитов

950344 Коммитов

Автор SHA1 Сообщение Дата
Chuck Lever 6b3dccd48d NFSD: Add missing NFSv2 .pc_func methods
There's no protection in nfsd_dispatch() against a NULL .pc_func
helpers. A malicious NFS client can trigger a crash by invoking the
unused/unsupported NFSv2 ROOT or WRITECACHE procedures.

The current NFSD dispatcher does not support returning a void reply
to a non-NULL procedure, so the reply to both of these is wrong, for
the moment.

Cc: <stable@vger.kernel.org>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-10-02 09:37:41 -04:00
J. Bruce Fields 13956160fc nfsd: rq_lease_breaker cleanup
Since only the v4 code cares about it, maybe it's better to leave
rq_lease_breaker out of the common dispatch code?

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:02:03 -04:00
J. Bruce Fields 50747dd5e4 nfsd4: remove check_conflicting_opens warning
There are actually rare races where this is possible (e.g. if a new open
intervenes between the read of i_writecount and the fi_fds).

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:02:02 -04:00
J. Bruce Fields ae3c57b5ca nfsd: Cache R, RW, and W opens separately
The nfsd open code has always kept separate read-only, read-write, and
write-only opens as necessary to ensure that when a client closes or
downgrades, we don't retain more access than necessary.

Also, I didn't realize the cache behaved this way when I wrote
94415b06eb "nfsd4: a client's own opens needn't prevent delegations".
There I assumed fi_fds[O_WRONLY] and fi_fds[O_RDWR] would always be
distinct.  The violation of that assumption is triggering a
WARN_ON_ONCE() and could also cause the server to give out a delegation
when it shouldn't.

Fixes: 94415b06eb ("nfsd4: a client's own opens needn't prevent delegations")
Tested-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:02:02 -04:00
J. Bruce Fields 0aa99c4d1f sunrpc: simplify do_cache_clean
Is it just me, or is the logic written in a slightly convoluted way?

I find it a little easier to read this way.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:02:02 -04:00
Xu Wang 9dbc1f45d5 sunrpc: cache : Replace seq_printf with seq_puts
seq_puts is a lot cheaper than seq_printf, so use that to print
literal strings.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:28 -04:00
Rik van Riel 8c38b705b4 silence nfscache allocation warnings with kvzalloc
silence nfscache allocation warnings with kvzalloc

Currently nfsd_reply_cache_init attempts hash table allocation through
kmalloc, and manually falls back to vzalloc if that fails. This makes
the code a little larger than needed, and creates a significant amount
of serial console spam if you have enough systems.

Switching to kvzalloc gets rid of the allocation warnings, and makes
the code a little cleaner too as a side effect.

Freeing of nn->drc_hashtbl is already done using kvfree currently.

Signed-off-by: Rik van Riel <riel@surriel.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:28 -04:00
Zheng Bin 44b49aa65f nfsd: fix comparison to bool warning
Fixes coccicheck warning:

fs/nfsd/nfs4proc.c:3234:5-29: WARNING: Comparison to bool

Signed-off-by: Zheng Bin <zhengbin13@huawei.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:28 -04:00
Chuck Lever 5aff7d0820 NFSD: Correct type annotations in COPY XDR functions
Squelch some sparse warnings:

/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:1860:16: warning: incorrect type in assignment (different base types)
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:1860:16:    expected int status
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:1860:16:    got restricted __be32
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:1862:24: warning: incorrect type in return expression (different base types)
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:1862:24:    expected restricted __be32
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:1862:24:    got int status

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:28 -04:00
Chuck Lever b9a492376d NFSD: Correct type annotations in user xattr XDR functions
Squelch some sparse warnings:

/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4692:24: warning: incorrect type in return expression (different base types)
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4692:24:    expected int
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4692:24:    got restricted __be32 [usertype]
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4702:32: warning: incorrect type in return expression (different base types)
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4702:32:    expected int
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4702:32:    got restricted __be32 [usertype]
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4739:13: warning: incorrect type in assignment (different base types)
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4739:13:    expected restricted __be32 [usertype] err
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4739:13:    got int
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4891:15: warning: incorrect type in assignment (different base types)
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4891:15:    expected unsigned int [assigned] [usertype] count
/home/cel/src/linux/linux/fs/nfsd/nfs4xdr.c:4891:15:    got restricted __be32 [usertype]

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:27 -04:00
Chuck Lever 8237284a00 NFSD: Correct type annotations in user xattr helpers
Squelch some sparse warnings:

/home/cel/src/linux/linux/fs/nfsd/vfs.c:2264:13: warning: incorrect type in assignment (different base types)
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2264:13:    expected int err
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2264:13:    got restricted __be32
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2266:24: warning: incorrect type in return expression (different base types)
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2266:24:    expected restricted __be32
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2266:24:    got int err
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2288:13: warning: incorrect type in assignment (different base types)
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2288:13:    expected int err
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2288:13:    got restricted __be32
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2290:24: warning: incorrect type in return expression (different base types)
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2290:24:    expected restricted __be32
/home/cel/src/linux/linux/fs/nfsd/vfs.c:2290:24:    got int err

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:27 -04:00
Anna Schumaker 403217f304 SUNRPC/NFSD: Implement xdr_reserve_space_vec()
Reserving space for a large READ payload requires special handling when
reserving space in the xdr buffer pages. One problem we can have is use
of the scratch buffer, which is used to get a pointer to a contiguous
region of data up to PAGE_SIZE. When using the scratch buffer, calls to
xdr_commit_encode() shift the data to it's proper alignment in the xdr
buffer. If we've reserved several pages in a vector, then this could
potentially invalidate earlier pointers and result in incorrect READ
data being sent to the client.

I get around this by looking at the amount of space left in the current
page, and never reserve more than that for each entry in the read
vector. This lets us place data directly where it needs to go in the
buffer pages.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:27 -04:00
Hou Tao 3caf91757c nfsd: rename delegation related tracepoints to make them less confusing
Now when a read delegation is given, two delegation related traces
will be printed:

    nfsd_deleg_open: client 5f45b854:e6058001 stateid 00000030:00000001
    nfsd_deleg_none: client 5f45b854:e6058001 stateid 0000002f:00000001

Although the intention is to let developers know two stateid are
returned, the traces are confusing about whether or not a read delegation
is handled out. So renaming trace_nfsd_deleg_none() to trace_nfsd_open()
and trace_nfsd_deleg_open() to trace_nfsd_deleg_read() to make
the intension clearer.

The patched traces will be:

    nfsd_deleg_read: client 5f48a967:b55b21cd stateid 00000003:00000001
    nfsd_open: client 5f48a967:b55b21cd stateid 00000002:00000001

Suggested-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Hou Tao <houtao1@huawei.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:27 -04:00
J. Bruce Fields ade3dbad14 Documentation: update RPCSEC_GSSv3 RFC link
This draft is an official RFC now.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:27 -04:00
J. Bruce Fields ff7e11f357 MAINTAINERS: Note NFS docs under Documentation/
It struck me while watching Jon Corbet ask how to keep kernel
Documentation up to date, that it might help if we were actually cc'd on
Documentation/filesystems/nfs/ changes.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:27 -04:00
Alex Dewar e2a1840e56 nfsd: Remove unnecessary assignment in nfs4xdr.c
In nfsd4_encode_listxattrs(), the variable p is assigned to at one point
but this value is never used before p is reassigned. Fix this.

Addresses-Coverity: ("Unused value")
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:27 -04:00
Randy Dunlap 1cc5213baa net: sunrpc: delete repeated words
Drop duplicate words in net/sunrpc/.
Also fix "Anyone" to be "Any one".

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Chuck Lever <chuck.lever@oracle.com>
Cc: linux-nfs@vger.kernel.org
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:26 -04:00
Alex Dewar 4cce11fa48 nfsd: Fix typo in comment
Missing "is".

Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:26 -04:00
J. Bruce Fields 12ed22f3c3 nfsd: give up callbacks on revoked delegations
The delegation is no longer returnable, so I don't think there's much
point retrying the recall.

(I think it's worth asking why we even need separate CLOSED_DELEG and
REVOKED_DELEG states.  But treating them the same would currently cause
nfsd4_free_stateid to call list_del_init(&dp->dl_recall_lru) on a
delegation that the laundromat had unhashed but not revoked, incorrectly
removing it from the laundromat's reaplist or a client's dl_recall_lru.)

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:26 -04:00
J. Bruce Fields e56dc9e294 nfsd: remove fault injection code
It was an interesting idea but nobody seems to be using it, it's buggy
at this point, and nfs4state.c is already complicated enough without it.
The new nfsd/clients/ code provides some of the same functionality, and
could probably do more if desired.

This feature has been deprecated since 9d60d93198 ("Deprecate nfsd
fault injection").

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2020-09-25 18:01:26 -04:00
Linus Torvalds 856deb866d Linux 5.9-rc5 2020-09-13 16:06:00 -07:00
Linus Torvalds 5712c3ed54 ARM: SoC fixes
A collection of fixes I've been accruing over the last few weeks, none
 of them have been severe enough to warrant flushing the queue but it's
 been long enough now that it's a good idea to send them in.
 
 A handful of them are fixups for QSPI DT/bindings/compatibles, some
 smaller fixes for system DMA clock control and TMU interrupts on i.MX,
 a handful of fixes for OMAP, including a fix for DSI (display) on omap5.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Olof Johansson:
 "A collection of fixes I've been accruing over the last few weeks, none
  of them have been severe enough to warrant flushing the queue but it's
  been long enough now that it's a good idea to send them in.

  A handful of them are fixups for QSPI DT/bindings/compatibles, some
  smaller fixes for system DMA clock control and TMU interrupts on i.MX,
  a handful of fixes for OMAP, including a fix for DSI (display) on
  omap5"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (27 commits)
  arm64: dts: ns2: Fixed QSPI compatible string
  ARM: dts: BCM5301X: Fixed QSPI compatible string
  ARM: dts: NSP: Fixed QSPI compatible string
  ARM: dts: bcm: HR2: Fixed QSPI compatible string
  dt-bindings: spi: Fix spi-bcm-qspi compatible ordering
  ARM: dts: imx6sx: fix the pad QSPI1B_SCLK mux mode for uart3
  arm64: dts: imx8mp: correct sdma1 clk setting
  arm64: dts: imx8mq: Fix TMU interrupt property
  ARM: dts: imx7d-zii-rmu2: fix rgmii phy-mode for ksz9031 phy
  ARM: dts: vfxxx: Add syscon compatible with OCOTP
  ARM: dts: imx6q-logicpd: Fix broken PWM
  arm64: dts: imx: Add missing imx8mm-beacon-kit.dtb to build
  ARM: dts: imx6q-prtwd2: Remove unneeded i2c unit name
  ARM: dts: imx6qdl-gw51xx: Remove unneeded #address-cells/#size-cells
  ARM: dts: imx7ulp: Correct gpio ranges
  ARM: dts: ls1021a: fix QuadSPI-memory reg range
  arm64: defconfig: Enable ptn5150 extcon driver
  arm64: defconfig: Enable USB gadget with configfs
  ARM: configs: Update Integrator defconfig
  ARM: dts: omap5: Fix DSI base address and clocks
  ...
2020-09-13 14:54:40 -07:00
Linus Torvalds e4c26faa42 USB/Thunderbolt fixes for 5.9-rc5
Here are some small USB and Thunderbolt driver fixes for 5.9-rc5.
 
 Nothing huge, just a number of bugfixes and new device ids for problems
 reported:
 	- new USB serial driver ids
 	- bug fixes for syzbot reported problems
 	- typec driver fixes
 	- thunderbolt driver fixes
 	- revert of reported broken commit
 
 All of these have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB/Thunderbolt fixes from Greg KH:
 "Here are some small USB and Thunderbolt driver fixes for 5.9-rc5.

  Nothing huge, just a number of bugfixes and new device ids for
  problems reported:

   - new USB serial driver ids

   - bug fixes for syzbot reported problems

   - typec driver fixes

   - thunderbolt driver fixes

   - revert of reported broken commit

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

* tag 'usb-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  usb: typec: intel_pmc_mux: Do not configure SBU and HSL Orientation in Alternate modes
  usb: typec: intel_pmc_mux: Do not configure Altmode HPD High
  usb: core: fix slab-out-of-bounds Read in read_descriptors
  Revert "usb: dwc3: meson-g12a: fix shared reset control use"
  usb: typec: ucsi: acpi: Check the _DEP dependencies
  usb: typec: intel_pmc_mux: Un-register the USB role switch
  usb: Fix out of sync data toggle if a configured device is reconfigured
  USB: serial: option: support dynamic Quectel USB compositions
  USB: serial: option: add support for SIM7070/SIM7080/SIM7090 modules
  thunderbolt: Use maximum USB3 link rate when reclaiming if link is not up
  thunderbolt: Disable ports that are not implemented
  USB: serial: ftdi_sio: add IDs for Xsens Mti USB converter
2020-09-13 09:23:54 -07:00
Linus Torvalds 6c7247f625 Staging / IIO driver fixes for 5.9-rc5
Here are a number of Staging and IIO driver fixes for 5.9-rc5.
 
 The majority of these are IIO driver fixes, to resolve a timestamp issue
 that was recently found to affect a bunch of IIO drivers.
 
 The other fixes in here are:
 	- small IIO driver fixes
 	- greybus driver fix
 	- counter driver fix (came in through the IIO fixes tree)
 
 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-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging/IIO driver fixes from Greg KH:
 "Here are a number of staging and IIO driver fixes for 5.9-rc5.

  The majority of these are IIO driver fixes, to resolve a timestamp
  issue that was recently found to affect a bunch of IIO drivers.

  The other fixes in here are:

   - small IIO driver fixes

   - greybus driver fix

   - counter driver fix (came in through the IIO fixes tree)

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

* tag 'staging-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (23 commits)
  iio: adc: mcp3422: fix locking on error path
  iio: adc: mcp3422: fix locking scope
  iio: adc: meson-saradc: Use the parent device to look up the calib data
  iio:adc:max1118 Fix alignment of timestamp and data leak issues
  iio:adc:ina2xx Fix timestamp alignment issue.
  iio:adc:ti-adc084s021 Fix alignment and data leak issues.
  iio:adc:ti-adc081c Fix alignment and data leak issues
  iio:magnetometer:ak8975 Fix alignment and data leak issues.
  iio:light:ltr501 Fix timestamp alignment issue.
  iio:light:max44000 Fix timestamp alignment and prevent data leak.
  iio:chemical:ccs811: Fix timestamp alignment and prevent data leak.
  iio:proximity:mb1232: Fix timestamp alignment and prevent data leak.
  iio:accel:mma7455: Fix timestamp alignment and prevent data leak.
  iio:accel:bmc150-accel: Fix timestamp alignment and prevent data leak.
  iio:accel:mma8452: Fix timestamp alignment and prevent data leak.
  iio: accel: kxsd9: Fix alignment of local buffer.
  iio: adc: rockchip_saradc: select IIO_TRIGGERED_BUFFER
  iio: adc: ti-ads1015: fix conversion when CONFIG_PM is not set
  counter: microchip-tcb-capture: check the correct variable
  iio: cros_ec: Set Gyroscope default frequency to 25Hz
  ...
2020-09-13 09:15:20 -07:00
Linus Torvalds 20a7b6be05 Driver core fixes for 5.9-rc5
Here are some small driver core and debugfs fixes for 5.9-rc5
 
 Included in here are:
 	- firmware loader memory leak fix
 	- firmware loader testing fixes for non-EFI systems
 	- device link locking fixes found by lockdep
 	- kobject_del() bugfix that has been affecting some callers
 	- debugfs minor fix
 
 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 'driver-core-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some small driver core and debugfs fixes for 5.9-rc5

  Included in here are:

   - firmware loader memory leak fix

   - firmware loader testing fixes for non-EFI systems

   - device link locking fixes found by lockdep

   - kobject_del() bugfix that has been affecting some callers

   - debugfs minor fix

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

* tag 'driver-core-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  test_firmware: Test platform fw loading on non-EFI systems
  PM: <linux/device.h>: fix @em_pd kernel-doc warning
  kobject: Drop unneeded conditional in __kobject_del()
  driver core: Fix device_pm_lock() locking for device links
  MAINTAINERS: Add the security document to SECURITY CONTACT
  driver code: print symbolic error code
  debugfs: Fix module state check condition
  kobject: Restore old behaviour of kobject_del(NULL)
  firmware_loader: fix memory leak for paged buffer
2020-09-13 09:02:59 -07:00
Olof Johansson a4da411e41 This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.9, please pull the following:
 
 - Florian fixes the Broadcom QSPI controller binding such that the most
   specific compatible string is the left most one, and all existing
   in-tree users are updated as well.
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Merge tag 'arm-soc/for-5.9/devicetree-fixes' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.9, please pull the following:

- Florian fixes the Broadcom QSPI controller binding such that the most
  specific compatible string is the left most one, and all existing
  in-tree users are updated as well.

* tag 'arm-soc/for-5.9/devicetree-fixes' of https://github.com/Broadcom/stblinux:
  arm64: dts: ns2: Fixed QSPI compatible string
  ARM: dts: BCM5301X: Fixed QSPI compatible string
  ARM: dts: NSP: Fixed QSPI compatible string
  ARM: dts: bcm: HR2: Fixed QSPI compatible string
  dt-bindings: spi: Fix spi-bcm-qspi compatible ordering

Link: https://lore.kernel.org/r/20200909211857.4144718-1-f.fainelli@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-13 08:57:38 -07:00
Olof Johansson 2aedcb042f i.MX fixes for 5.9, round 2:
- Fix the misspelling of 'interrupts' property in i.MX8MQ TMU DT node.
 - Correct 'ahb' clock for i.MX8MP SDMA1 in device tree.
 - Fix pad QSPI1B_SCLK mux mode for UART3 on i.MX6SX.
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Merge tag 'imx-fixes-5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.9, round 2:

- Fix the misspelling of 'interrupts' property in i.MX8MQ TMU DT node.
- Correct 'ahb' clock for i.MX8MP SDMA1 in device tree.
- Fix pad QSPI1B_SCLK mux mode for UART3 on i.MX6SX.

* tag 'imx-fixes-5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx6sx: fix the pad QSPI1B_SCLK mux mode for uart3
  arm64: dts: imx8mp: correct sdma1 clk setting
  arm64: dts: imx8mq: Fix TMU interrupt property

Link: https://lore.kernel.org/r/20200909143844.GA25109@dragon
Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-13 08:56:04 -07:00
Olof Johansson 0e384029e1 Fixes for omaps for v5.9-rc cycle
Few fixes for omap based devices:
 
 - Fix of_clk_get() error handling for omap-iommu
 
 - Fix missing audio pinctrl entries for logicpd boards
 
 - Fix video for logicpd-som-lv after switch to generic panels
 
 - Fix omap5 DSI clocks base
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Merge tag 'omap-for-v5.9/fixes-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Fixes for omaps for v5.9-rc cycle

Few fixes for omap based devices:

- Fix of_clk_get() error handling for omap-iommu

- Fix missing audio pinctrl entries for logicpd boards

- Fix video for logicpd-som-lv after switch to generic panels

- Fix omap5 DSI clocks base

* tag 'omap-for-v5.9/fixes-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: omap5: Fix DSI base address and clocks
  ARM: dts: logicpd-som-lv-baseboard: Fix missing video
  ARM: dts: logicpd-som-lv-baseboard: Fix broken audio
  ARM: dts: logicpd-torpedo-baseboard: Fix broken audio
  ARM: OMAP2+: Fix an IS_ERR() vs NULL check in _get_pwrdm()

Link: https://lore.kernel.org/r/pull-1599132064-54898@atomide.com
Signed-off-by: Olof Johansson <olof@lixom.net>
2020-09-13 08:54:02 -07:00
Linus Torvalds 2a1a4bee5e Char / Misc driver fixes for 5.9-rc5
Here are a number of small driver fixes for 5.9-rc5
 
 Included in here are:
 	- habanalabs driver fixes
 	- interconnect driver fixes
 	- soundwire driver fixes
 	- dyndbg fixes for reported issues, and then reverts to fix it
 	  all up to a sane state.
 	- phy driver fixes
 Full details of these 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 'char-misc-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char / misc driver fixes from Greg KH:
 "Here are a number of small driver fixes for 5.9-rc5

  Included in here are:

   - habanalabs driver fixes

   - interconnect driver fixes

   - soundwire driver fixes

   - dyndbg fixes for reported issues, and then reverts to fix it all up
     to a sane state.

   - phy driver fixes

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

* tag 'char-misc-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  Revert "dyndbg: accept query terms like file=bar and module=foo"
  Revert "dyndbg: fix problem parsing format="foo bar""
  scripts/tags.sh: exclude tools directory from tags generation
  video: fbdev: fix OOB read in vga_8planes_imageblit()
  dyndbg: fix problem parsing format="foo bar"
  dyndbg: refine export, rename to dynamic_debug_exec_queries()
  dyndbg: give %3u width in pr-format, cosmetic only
  interconnect: qcom: Fix small BW votes being truncated to zero
  soundwire: fix double free of dangling pointer
  interconnect: Show bandwidth for disabled paths as zero in debugfs
  habanalabs: fix report of RAZWI initiator coordinates
  habanalabs: prevent user buff overflow
  phy: omap-usb2-phy: disable PHY charger detect
  phy: qcom-qmp: Use correct values for ipq8074 PCIe Gen2 PHY init
  soundwire: bus: fix typo in comment on INTSTAT registers
  phy: qualcomm: fix return value check in qcom_ipq806x_usb_phy_probe()
  phy: qualcomm: fix platform_no_drv_owner.cocci warnings
2020-09-13 08:52:21 -07:00
Linus Torvalds 84b1349972 ARM:
- Multiple stolen time fixes, with a new capability to match x86
 - Fix for hugetlbfs mappings when PUD and PMD are the same level
 - Fix for hugetlbfs mappings when PTE mappings are enforced
   (dirty logging, for example)
 - Fix tracing output of 64bit values
 
 x86:
 - nSVM state restore fixes
 - Async page fault fixes
 - Lots of small fixes everywhere
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull kvm fixes from Paolo Bonzini:
 "A bit on the bigger side, mostly due to me being on vacation, then
  busy, then on parental leave, but there's nothing worrisome.

  ARM:
   - Multiple stolen time fixes, with a new capability to match x86
   - Fix for hugetlbfs mappings when PUD and PMD are the same level
   - Fix for hugetlbfs mappings when PTE mappings are enforced (dirty
     logging, for example)
   - Fix tracing output of 64bit values

  x86:
   - nSVM state restore fixes
   - Async page fault fixes
   - Lots of small fixes everywhere"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (25 commits)
  KVM: emulator: more strict rsm checks.
  KVM: nSVM: more strict SMM checks when returning to nested guest
  SVM: nSVM: setup nested msr permission bitmap on nested state load
  SVM: nSVM: correctly restore GIF on vmexit from nesting after migration
  x86/kvm: don't forget to ACK async PF IRQ
  x86/kvm: properly use DEFINE_IDTENTRY_SYSVEC() macro
  KVM: VMX: Don't freeze guest when event delivery causes an APIC-access exit
  KVM: SVM: avoid emulation with stale next_rip
  KVM: x86: always allow writing '0' to MSR_KVM_ASYNC_PF_EN
  KVM: SVM: Periodically schedule when unregistering regions on destroy
  KVM: MIPS: Change the definition of kvm type
  kvm x86/mmu: use KVM_REQ_MMU_SYNC to sync when needed
  KVM: nVMX: Fix the update value of nested load IA32_PERF_GLOBAL_CTRL control
  KVM: fix memory leak in kvm_io_bus_unregister_dev()
  KVM: Check the allocation of pv cpu mask
  KVM: nVMX: Update VMCS02 when L2 PAE PDPTE updates detected
  KVM: arm64: Update page shift if stage 2 block mapping not supported
  KVM: arm64: Fix address truncation in traces
  KVM: arm64: Do not try to map PUDs when they are folded into PMD
  arm64/x86: KVM: Introduce steal-time cap
  ...
2020-09-13 08:34:47 -07:00
Linus Torvalds b952e97430 OpenRISC fixes for 5.9-rc4
Fixes for compile issues pointed out by kbuild and one bug I found in
 interd with the 5.9 patches.
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Merge tag 'for-linus' of git://github.com/openrisc/linux

Pull OpenRISC fixes from Stafford Horne:
 "Fixes for compile issues pointed out by kbuild and one bug I found in
  initrd with the 5.9 patches"

* tag 'for-linus' of git://github.com/openrisc/linux:
  openrisc: Fix issue with get_user for 64-bit values
  openrisc: Fix cache API compile issue when not inlining
  openrisc: Reserve memblock for initrd
2020-09-12 13:03:49 -07:00
Linus Torvalds ef2e9a563b seccomp fixes for v5.9-rc5
- Fix memory resource leak of user_notif under TSYNC race (Tycho Andersen)
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Merge tag 'seccomp-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull seccomp fixes from Kees Cook:
 "This fixes a rare race condition in seccomp when using TSYNC and
  USER_NOTIF together where a memory allocation would not get freed
  (found by syzkaller, fixed by Tycho).

  Additionally updates Tycho's MAINTAINERS and .mailmap entries for his
  new address"

* tag 'seccomp-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  seccomp: don't leave dangling ->notif if file allocation fails
  mailmap, MAINTAINERS: move to tycho.pizza
  seccomp: don't leak memory when filter install races
2020-09-12 12:58:01 -07:00
Linus Torvalds 4f8b0a5b3f libnvdimm fix for v5.9-rc5
Fix decetion of dax support for block devices. Previous fixes in this
 area, which only affected printing of debug messages, had an incorrect
 condition for detection of dax. This fix should finally do the right thing.
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Merge tag 'libnvdimm-fix-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

Pull libnvdimm fix from Vishal Verma:
 "Fix detection of dax support for block devices.

  Previous fixes in this area, which only affected printing of debug
  messages, had an incorrect condition for detection of dax. This fix
  should finally do the right thing"

* tag 'libnvdimm-fix-v5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
  dax: fix detection of dax support for non-persistent memory block devices
2020-09-12 12:43:58 -07:00
Linus Torvalds edf6b0e1e4 for-5.9-rc4-tag
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Merge tag 'for-5.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux

Pull btrfs fixes from David Sterba:
 "A few more fixes:

   - regression fix for a crash after failed snapshot creation

   - one more lockep fix: use nofs allocation when allocating missing
     device

   - fix reloc tree leak on degraded mount

   - make some extent buffer alignment checks less strict to mount
     filesystems created by btrfs-convert"

* tag 'for-5.9-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
  btrfs: fix NULL pointer dereference after failure to create snapshot
  btrfs: free data reloc tree on failed mount
  btrfs: require only sector size alignment for parent eb bytenr
  btrfs: fix lockdep splat in add_missing_dev
2020-09-12 12:28:39 -07:00
Linus Torvalds 5a3c558a9f A fix for lookup on DFS link when cifsacl or modefromsid used
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Merge tag '5.9-rc4-smb3-fix' of git://git.samba.org/sfrench/cifs-2.6

Pull cifs fix from Steve French:
 "A fix for lookup on DFS link when cifsacl or modefromsid is used"

* tag '5.9-rc4-smb3-fix' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: fix DFS mount with cifsacl/modefromsid
2020-09-12 11:48:04 -07:00
Maxim Levitsky 37f66bbef0 KVM: emulator: more strict rsm checks.
Don't ignore return values in rsm_load_state_64/32 to avoid
loading invalid state from SMM state area if it was tampered with
by the guest.

This is primarly intended to avoid letting guest set bits in EFER
(like EFER.SVME when nesting is disabled) by manipulating SMM save area.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200827171145.374620-8-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-12 12:22:55 -04:00
Maxim Levitsky 3ebb5d2617 KVM: nSVM: more strict SMM checks when returning to nested guest
* check that guest is 64 bit guest, otherwise the SVM related fields
  in the smm state area are not defined

* If the SMM area indicates that SMM interrupted a running guest,
  check that EFER.SVME which is also saved in this area is set, otherwise
  the guest might have tampered with SMM save area, and so indicate
  emulation failure which should triple fault the guest.

* Check that that guest CPUID supports SVM (due to the same issue as above)

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200827162720.278690-4-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-12 12:21:43 -04:00
Maxim Levitsky 772b81bb2f SVM: nSVM: setup nested msr permission bitmap on nested state load
This code was missing and was forcing the L2 run with L1's msr
permission bitmap

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200827162720.278690-3-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-12 12:20:53 -04:00
Maxim Levitsky 9883764ad0 SVM: nSVM: correctly restore GIF on vmexit from nesting after migration
Currently code in svm_set_nested_state copies the current vmcb control
area to L1 control area (hsave->control), under assumption that
it mostly reflects the defaults that kvm choose, and later qemu
overrides  these defaults with L2 state using standard KVM interfaces,
like KVM_SET_REGS.

However nested GIF (which is AMD specific thing) is by default is true,
and it is copied to hsave area as such.

This alone is not a big deal since on VMexit, GIF is always set to false,
regardless of what it was on VM entry.  However in nested_svm_vmexit we
were first were setting GIF to false, but then we overwrite the control
fields with value from the hsave area.  (including the nested GIF field
itself if GIF virtualization is enabled).

Now on normal vm entry this is not a problem, since GIF is usually false
prior to normal vm entry, and this is the value that copied to hsave,
and then restored, but this is not always the case when the nested state
is loaded as explained above.

To fix this issue, move svm_set_gif after we restore the L1 control
state in nested_svm_vmexit, so that even with wrong GIF in the
saved L1 control area, we still clear GIF as the spec says.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20200827162720.278690-2-mlevitsk@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-12 12:19:06 -04:00
Stafford Horne d877322bc1 openrisc: Fix issue with get_user for 64-bit values
A build failure was raised by kbuild with the following error.

    drivers/android/binder.c: Assembler messages:
    drivers/android/binder.c:3861: Error: unrecognized keyword/register name `l.lwz ?ap,4(r24)'
    drivers/android/binder.c:3866: Error: unrecognized keyword/register name `l.addi ?ap,r0,0'

The issue is with 64-bit get_user() calls on openrisc.  I traced this to
a problem where in the internally in the get_user macros there is a cast
to long __gu_val this causes GCC to think the get_user call is 32-bit.
This binder code is really long and GCC allocates register r30, which
triggers the issue. The 64-bit get_user asm tries to get the 64-bit pair
register, which for r30 overflows the general register names and returns
the dummy register ?ap.

The fix here is to move the temporary variables into the asm macros.  We
use a 32-bit __gu_tmp for 32-bit and smaller macro and a 64-bit tmp in
the 64-bit macro.  The cast in the 64-bit macro has a trick of casting
through __typeof__((x)-(x)) which avoids the below warning.  This was
barrowed from riscv.

    arch/openrisc/include/asm/uaccess.h:240:8: warning: cast to pointer from integer of different size

I tested this in a small unit test to check reading between 64-bit and
32-bit pointers to 64-bit and 32-bit values in all combinations.  Also I
ran make C=1 to confirm no new sparse warnings came up.  It all looks
clean to me.

Link: https://lore.kernel.org/lkml/202008200453.ohnhqkjQ%25lkp@intel.com/
Signed-off-by: Stafford Horne <shorne@gmail.com>
Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
2020-09-12 17:26:00 +09:00
Vitaly Kuznetsov cc17b22559 x86/kvm: don't forget to ACK async PF IRQ
Merge commit 26d05b368a ("Merge branch 'kvm-async-pf-int' into HEAD")
tried to adapt the new interrupt based async PF mechanism to the newly
introduced IDTENTRY magic but unfortunately it missed the fact that
DEFINE_IDTENTRY_SYSVEC() doesn't call ack_APIC_irq() on its own and
all DEFINE_IDTENTRY_SYSVEC() users have to call it manually.

As the result all multi-CPU KVM guest hang on boot when
KVM_FEATURE_ASYNC_PF_INT is present. The breakage went unnoticed because no
KVM userspace (e.g. QEMU) currently set it (and thus async PF mechanism
is currently disabled) but we're about to change that.

Fixes: 26d05b368a ("Merge branch 'kvm-async-pf-int' into HEAD")
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200908135350.355053-3-vkuznets@redhat.com>
Tested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-12 02:22:21 -04:00
Vitaly Kuznetsov 244081f907 x86/kvm: properly use DEFINE_IDTENTRY_SYSVEC() macro
DEFINE_IDTENTRY_SYSVEC() already contains irqentry_enter()/
irqentry_exit().

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20200908135350.355053-2-vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-12 02:22:07 -04:00
Wanpeng Li 99b82a1437 KVM: VMX: Don't freeze guest when event delivery causes an APIC-access exit
According to SDM 27.2.4, Event delivery causes an APIC-access VM exit.
Don't report internal error and freeze guest when event delivery causes
an APIC-access exit, it is handleable and the event will be re-injected
during the next vmentry.

Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
Message-Id: <1597827327-25055-2-git-send-email-wanpengli@tencent.com>
Cc: stable@vger.kernel.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-09-12 02:21:17 -04:00
Wanpeng Li e42c68281b KVM: SVM: avoid emulation with stale next_rip
svm->next_rip is reset in svm_vcpu_run() only after calling
svm_exit_handlers_fastpath(), which will cause SVM's
skip_emulated_instruction() to write a stale RIP.

We can move svm_exit_handlers_fastpath towards the end of
svm_vcpu_run().  To align VMX with SVM, keep svm_complete_interrupts()
close as well.

Suggested-by: Sean Christopherson <sean.j.christopherson@intel.com>
Cc: Paul K. <kronenpj@kronenpj.dyndns.org>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Wanpeng Li <wanpengli@tencent.com>
[Also move vmcb_mark_all_clean before any possible write to the VMCB.
 - Paolo]
2020-09-12 02:19:23 -04:00
Linus Torvalds 729e3d0919 A fix to add missing capability checks in rbd, marked for stable.
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Merge tag 'ceph-for-5.9-rc5' of git://github.com/ceph/ceph-client

Pull ceph fix from Ilya Dryomov:
 "Add missing capability checks in rbd, marked for stable"

* tag 'ceph-for-5.9-rc5' of git://github.com/ceph/ceph-client:
  rbd: require global CAP_SYS_ADMIN for mapping and unmapping
2020-09-11 13:47:29 -07:00
Linus Torvalds e9287bd248 Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c updates from Wolfram Sang:
 "Usual driver bugfixes for the I2C subsystem"

* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
  i2c: algo: pca: Reapply i2c bus settings after reset
  i2c: npcm7xx: Fix timeout calculation
  misc: eeprom: at24: register nvmem only after eeprom is ready to use
2020-09-11 13:43:05 -07:00
Linus Torvalds 566e24eeb4 Power management updates for 5.9-rc5
- Add CPU IDs of the TigerLake Desktop, RocketLake and AlderLake
    chips to the Intel RAPL power capping driver (Zhang Rui).
 
  - Add the missing energy model performance domain item to the
    struct device kerneldoc comment (Randy Dunlap).
 
  - Fix the struct powercap_control_type kerneldoc comment to match
    the actual definition of that structure and add missing item to
    the struct powercap_zone_ops kerneldoc comment (Amit Kucheria).
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Merge tag 'pm-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management fixes from Rafael Wysocki:
 "These fix three pieces of documentation and add new CPU IDs to the
  Intel RAPL power capping driver.

  Specifics:

   - Add CPU IDs of the TigerLake Desktop, RocketLake and AlderLake
     chips to the Intel RAPL power capping driver (Zhang Rui).

   - Add the missing energy model performance domain item to the struct
     device kerneldoc comment (Randy Dunlap).

   - Fix the struct powercap_control_type kerneldoc comment to match the
     actual definition of that structure and add missing item to the
     struct powercap_zone_ops kerneldoc comment (Amit Kucheria)"

* tag 'pm-5.9-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  powercap: make documentation reflect code
  PM: <linux/device.h>: fix @em_pd kernel-doc warning
  powercap/intel_rapl: add support for AlderLake
  powercap/intel_rapl: add support for RocketLake
  powercap/intel_rapl: add support for TigerLake Desktop
2020-09-11 11:59:14 -07:00
Linus Torvalds 7b8731d958 - Fix a regression in bdev partition locking (Christoph)
- NVMe pull request from Christoph:
 	- cancel async events before freeing them (David Milburn)
 	- revert a broken race fix (James Smart)
 	- fix command processing during resets (Sagi Grimberg)
 
 - Fix a kyber crash with requeued flushes (Omar)
 
 - Fix __bio_try_merge_page() same_page error for no merging (Ritesh)
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Merge tag 'block-5.9-2020-09-11' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - Fix a regression in bdev partition locking (Christoph)

 - NVMe pull request from Christoph:
      - cancel async events before freeing them (David Milburn)
      - revert a broken race fix (James Smart)
      - fix command processing during resets (Sagi Grimberg)

 - Fix a kyber crash with requeued flushes (Omar)

 - Fix __bio_try_merge_page() same_page error for no merging (Ritesh)

* tag 'block-5.9-2020-09-11' of git://git.kernel.dk/linux-block:
  block: Set same_page to false in __bio_try_merge_page if ret is false
  nvme-fabrics: allow to queue requests for live queues
  block: only call sched requeue_request() for scheduled requests
  nvme-tcp: cancel async events before freeing event struct
  nvme-rdma: cancel async events before freeing event struct
  nvme-fc: cancel async events before freeing event struct
  nvme: Revert: Fix controller creation races with teardown flow
  block: restore a specific error code in bdev_del_partition
2020-09-11 11:55:28 -07:00
Linus Torvalds e8878ab825 spi: Fixes for v5.9
There's some driver specific fixes here plus one core fix for memory
 leaks that could be triggered by a potential race condition when
 cleaning up after we have split transfers to fit into what the
 controller can support.
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Merge tag 'spi-fix-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi

Pull spi fixes from Mark Brown:
 "There's some driver specific fixes here plus one core fix for memory
  leaks that could be triggered by a potential race condition when
  cleaning up after we have split transfers to fit into what the
  controller can support"

* tag 'spi-fix-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
  spi: stm32: fix pm_runtime_get_sync() error checking
  spi: Fix memory leak on splited transfers
  spi: spi-cadence-quadspi: Fix mapping of buffers for DMA reads
  spi: stm32: Rate-limit the 'Communication suspended' message
  spi: spi-loopback-test: Fix out-of-bounds read
  spi: spi-cadence-quadspi: Populate get_name() interface
  MAINTAINERS: add myself as maintainer for spi-fsl-dspi driver
2020-09-11 11:35:55 -07:00
Linus Torvalds 8b6ce25177 regulator: Fixes for v5.9
The biggest set of fixes here is those from Michał Mirosław fixing some
 locking issues with coupled regulators that are triggered in cases where
 a coupled regulator is used by a device involved in fs_reclaim like eMMC
 storage.  These are relatively serious for the affected systems, though
 the circumstances where they trigger are very rare.
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Merge tag 'regulator-fix-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator fixes from Mark Brown:
 "The biggest set of fixes here is those from Michał Mirosław fixing
  some locking issues with coupled regulators that are triggered in
  cases where a coupled regulator is used by a device involved in
  fs_reclaim like eMMC storage.

  These are relatively serious for the affected systems, though the
  circumstances where they trigger are very rare"

* tag 'regulator-fix-v5.9-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: pwm: Fix machine constraints application
  regulator: core: Fix slab-out-of-bounds in regulator_unlock_recursive()
  regulator: remove superfluous lock in regulator_resolve_coupling()
  regulator: cleanup regulator_ena_gpio_free()
  regulator: plug of_node leak in regulator_register()'s error path
  regulator: push allocation in set_consumer_device_supply() out of lock
  regulator: push allocations in create_regulator() outside of lock
  regulator: push allocation in regulator_ena_gpio_request() out of lock
  regulator: push allocation in regulator_init_coupling() outside of lock
  regulator: fix spelling mistake "Cant" -> "Can't"
  regulator: cros-ec-regulator: Add NULL test for devm_kmemdup call
2020-09-11 11:25:55 -07:00