Another fix, this time in common IOMMU sysfs code
- In the conversion from the old iommu sysfs-code to the
iommu_device_register interface, I missed to update the
release path for the struct device associated with an IOMMU.
It freed the 'struct device', which was a pointer before, but
is now embedded in another struct. Freeing from the middle of
allocated memory had all kinds of nasty side effects when an
IOMMU was unplugged. Unfortunatly nobody unplugged and IOMMU
until now, so this was not discovered earlier. The fix is to
make the 'struct device' a pointer again.
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Merge tag 'iommu-fixes-v4.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU fix from Joerg Roedel:
"Another fix, this time in common IOMMU sysfs code.
In the conversion from the old iommu sysfs-code to the
iommu_device_register interface, I missed to update the release path
for the struct device associated with an IOMMU. It freed the 'struct
device', which was a pointer before, but is now embedded in another
struct.
Freeing from the middle of allocated memory had all kinds of nasty
side effects when an IOMMU was unplugged. Unfortunatly nobody
unplugged and IOMMU until now, so this was not discovered earlier. The
fix is to make the 'struct device' a pointer again"
* tag 'iommu-fixes-v4.13-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
iommu: Fix wrong freeing of iommu_device->dev
Here is a single misc driver fix for 4.13-rc7. It resolves a reported
problem in the Android binder driver due to previous patches in 4.13-rc.
It's been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc fix from Greg KH:
"Here is a single misc driver fix for 4.13-rc7. It resolves a reported
problem in the Android binder driver due to previous patches in
4.13-rc.
It's been in linux-next with no reported issues"
* tag 'char-misc-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
ANDROID: binder: fix proc->tsk check.
Here are few small staging driver fixes, and some more IIO driver fixes
for 4.13-rc7. Nothing major, just resolutions for some reported
problems.
All of these have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/iio fixes from Greg KH:
"Here are few small staging driver fixes, and some more IIO driver
fixes for 4.13-rc7. Nothing major, just resolutions for some reported
problems.
All of these have been in linux-next with no reported problems"
* tag 'staging-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
iio: magnetometer: st_magn: remove ihl property for LSM303AGR
iio: magnetometer: st_magn: fix status register address for LSM303AGR
iio: hid-sensor-trigger: Fix the race with user space powering up sensors
iio: trigger: stm32-timer: fix get trigger mode
iio: imu: adis16480: Fix acceleration scale factor for adis16480
PATCH] iio: Fix some documentation warnings
staging: rtl8188eu: add RNX-N150NUB support
Revert "staging: fsl-mc: be consistent when checking strcmp() return"
iio: adc: stm32: fix common clock rate
iio: adc: ina219: Avoid underflow for sleeping time
iio: trigger: stm32-timer: add enable attribute
iio: trigger: stm32-timer: fix get/set down count direction
iio: trigger: stm32-timer: fix write_raw return value
iio: trigger: stm32-timer: fix quadrature mode get routine
iio: bmp280: properly initialize device for humidity reading
transport, improperly bringing down the link if SPADs are corrupted, and
an out-of-order issue regarding link negotiation and data passing.
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Merge tag 'ntb-4.13-bugfixes' of git://github.com/jonmason/ntb
Pull NTB fixes from Jon Mason:
"NTB bug fixes to address an incorrect ntb_mw_count reference in the
NTB transport, improperly bringing down the link if SPADs are
corrupted, and an out-of-order issue regarding link negotiation and
data passing"
* tag 'ntb-4.13-bugfixes' of git://github.com/jonmason/ntb:
ntb: ntb_test: ensure the link is up before trying to configure the mws
ntb: transport shouldn't disable link due to bogus values in SPADs
ntb: use correct mw_count function in ntb_tool and ntb_transport
Pull input fixes from Dmitry Torokhov:
- a tweak to the IBM Trackpoint driver that helps recognizing
trackpoints on never Lenovo Carbons
- a fix to the ALPS driver solving scroll issues on some Dells
- yet another ACPI ID has been added to Elan I2C toucpad driver
- quieted diagnostic message in soc_button_array driver
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: ALPS - fix two-finger scroll breakage in right side on ALPS touchpad
Input: soc_button_array - silence -ENOENT error on Dell XPS13 9365
Input: trackpoint - add new trackpoint firmware ID
Input: elan_i2c - add ELAN0602 ACPI ID to support Lenovo Yoga310
Fixes two obvious bugs in virtio pci.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Pull virtio fixes from Michael Tsirkin:
"Fixes two obvious bugs in virtio pci"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio_pci: fix cpu affinity support
virtio_blk: fix incorrect message when disk is resized
Two fixes - one for a 4.13 regression, and the other for an older one:
* Atmel NAND: since we started utilizing ONFI timings, we found that we
were being too restrict at rejecting them, partly due to discrepancies
in ONFI 4.0 and earlier versions. Relax the restriction to keep these
platforms booting. This is a 4.13-rc1 regression.
* nandsim: repeated probe/removal may not work after a failed init,
because we didn't free up our debugfs files properly on the failure
path. This has been around since 3.8, but it's nice to get this fixed
now in a nice easy patch that can target -stable, since there's
already refactoring work (that also fixes the issue) targeted for the
next merge window
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Merge tag 'for-linus-20170825' of git://git.infradead.org/linux-mtd
Pull MTD fixes from Brian Norris:
"Two fixes - one for a 4.13 regression, and the other for an older one:
- Atmel NAND: since we started utilizing ONFI timings, we found that
we were being too restrict at rejecting them, partly due to
discrepancies in ONFI 4.0 and earlier versions. Relax the
restriction to keep these platforms booting. This is a 4.13-rc1
regression.
- nandsim: repeated probe/removal may not work after a failed init,
because we didn't free up our debugfs files properly on the failure
path. This has been around since 3.8, but it's nice to get this
fixed now in a nice easy patch that can target -stable, since
there's already refactoring work (that also fixes the issue)
targeted for the next merge window"
* tag 'for-linus-20170825' of git://git.infradead.org/linux-mtd:
mtd: nand: atmel: Relax tADL_min constraint
mtd: nandsim: remove debugfs entries in error path
Pull block fixes from Jens Axboe:
"A small batch of fixes that should be included for the 4.13 release.
This contains:
- Revert of the 4k loop blocksize support. Even with a recent batch
of 4 fixes, we're still not really happy with it. Rather than be
stuck with an API issue, let's revert it and get it right for 4.14.
- Trivial patch from Bart, adding a few flags to the blk-mq debugfs
exports that were added in this release, but not to the debugfs
parts.
- Regression fix for bsg, fixing a potential kernel panic. From
Benjamin.
- Tweak for the blk throttling, improving how we account discards.
From Shaohua"
* 'for-linus' of git://git.kernel.dk/linux-block:
blk-mq-debugfs: Add names for recently added flags
bsg-lib: fix kernel panic resulting from missing allocation of reply-buffer
Revert "loop: support 4k physical blocksize"
blk-throttle: cap discard request size
Pull i2c fixes from Wolfram Sang:
"I2C has some bugfixes for you: mainly Jarkko fixed up a few things in
the designware driver regarding the new slave mode. But Ulf also fixed
a long-standing and now agreed suspend problem. Plus, some simple
stuff which nonetheless needs fixing"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: designware: Fix runtime PM for I2C slave mode
i2c: designware: Remove needless pm_runtime_put_noidle() call
i2c: aspeed: fixed potential null pointer dereference
i2c: simtec: use release_mem_region instead of release_resource
i2c: core: Make comment about I2C table requirement to reflect the code
i2c: designware: Fix standard mode speed when configuring the slave mode
i2c: designware: Fix oops from i2c_dw_irq_handler_slave
i2c: designware: Fix system suspend
irq_create_affinity_masks() can return NULL on non-SMP systems, when there
are not enough "free" vectors available to spread, or if memory allocation
for the CPU masks fails. Only the allocation failure is of interest, and
even then the system will work just fine except for non-optimally spread
vectors. Thus remove the warnings.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: David S. Miller <davem@davemloft.net>
A single fix for tegra210-adma driver to check of_irq_get() error
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Merge tag 'dmaengine-fix-4.13-rc7' of git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fix from Vinod Koul:
"A single fix for tegra210-adma driver to check of_irq_get() error"
* tag 'dmaengine-fix-4.13-rc7' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: tegra210-adma: fix of_irq_get() error check
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Merge tag 'drm-fixes-for-v4.13-rc7' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Fixes for rc7, nothing too crazy, some core, i915, and sunxi fixes,
Intel CI has been responsible for some of these fixes being required"
* tag 'drm-fixes-for-v4.13-rc7' of git://people.freedesktop.org/~airlied/linux:
drm/i915/gvt: Fix the kernel null pointer error
drm: Release driver tracking before making the object available again
drm/i915: Clear lost context-switch interrupts across reset
drm/i915/bxt: use NULL for GPIO connection ID
drm/i915/cnl: Fix LSPCON support.
drm/i915/vbt: ignore extraneous child devices for a port
drm/i915: Initialize 'data' in intel_dsi_dcs_backlight.c
drm/atomic: If the atomic check fails, return its value first
drm/atomic: Handle -EDEADLK with out-fences correctly
drm: Fix framebuffer leak
drm/imx: ipuv3-plane: fix YUV framebuffer scanout on the base plane
gpu: ipu-v3: add DRM dependency
drm/rockchip: Fix suspend crash when drm is not bound
drm/sun4i: Implement drm_driver lastclose to restore fbdev console
Commit 0b0f9dc5 ("Revert "virtio_pci: use shared interrupts for
virtqueues"") removed the adjustment of the pre_vectors for the virtio
MSI-X vector allocation which was added in commit fb5e31d9 ("virtio:
allow drivers to request IRQ affinity when creating VQs"). This will
lead to an incorrect assignment of MSI-X vectors, and potential
deadlocks when offlining cpus.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Fixes: 0b0f9dc5 ("Revert "virtio_pci: use shared interrupts for virtqueues")
Reported-by: YASUAKI ISHIMATSU <yasu.isimatu@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The message printed on disk resize is incorrect. The following is
printed when resizing to 2 GiB:
$ truncate -s 1G test.img
$ qemu -device virtio-blk-pci,logical_block_size=4096,...
(qemu) block_resize drive1 2G
virtio_blk virtio0: new size: 4194304 4096-byte logical blocks (17.2 GB/16.0 GiB)
The virtio_blk capacity config field is in 512-byte sector units
regardless of logical_block_size as per the VIRTIO specification.
Therefore the message should read:
virtio_blk virtio0: new size: 524288 4096-byte logical blocks (2.15 GB/2.0 GiB)
Note that this only affects the printed message. Thankfully the actual
block device has the correct size because the block layer expects
capacity in sectors.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Version 4 of the ONFI spec mandates that tADL be at least 400 nanoseconds,
but, depending on the master clock rate, 400 ns may not fit in the tADL
field of the SMC reg. We need to relax the check and accept the -ERANGE
return code.
Note that previous versions of the ONFI spec had a lower tADL_min (100 or
200 ns). It's not clear why this timing constraint got increased but it
seems most NANDs are fine with values lower than 400ns, so we should be
safe.
Fixes: f9ce2eddf1 ("mtd: nand: atmel: Add ->setup_data_interface() hooks")
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Tested-by: Quentin Schulz <quentin.schulz@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
The debugfs entries must be removed before an error is returned in the
probe function. Otherwise another try to load the module fails and when
the debugfs files are accessed without the module loaded, the kernel
still tries to call a function in that module.
Fixes: 5346c27c5f ("mtd: nandsim: Introduce debugfs infrastructure")
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Richard Weinberger <richard@nod.at>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Core Changes:
- Release driver tracking before making the object available again (Chris)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
* tag 'drm-misc-fixes-2017-08-24' of git://anongit.freedesktop.org/git/drm-misc:
drm: Release driver tracking before making the object available again
drm/i915 fixes for v4.13-rc7
* tag 'drm-intel-fixes-2017-08-24' of git://anongit.freedesktop.org/git/drm-intel:
drm/i915/gvt: Fix the kernel null pointer error
drm/i915: Clear lost context-switch interrupts across reset
drm/i915/bxt: use NULL for GPIO connection ID
drm/i915/cnl: Fix LSPCON support.
drm/i915/vbt: ignore extraneous child devices for a port
drm/i915: Initialize 'data' in intel_dsi_dcs_backlight.c
Fixed the issue that two finger scroll does not work correctly
on V8 protocol. The cause is that V8 protocol X-coordinate decode
is wrong at SS4 PLUS device. I added SS4 PLUS X decode definition.
Mote notes:
the problem manifests itself by the commit e7348396c6 ("Input: ALPS
- fix V8+ protocol handling (73 03 28)"), where a fix for the V8+
protocol was applied. Although the culprit must have been present
beforehand, the two-finger scroll worked casually even with the
wrongly reported values by some reason. It got broken by the commit
above just because it changed x_max value, and this made libinput
correctly figuring the MT events. Since the X coord is reported as
falsely doubled, the events on the right-half side go outside the
boundary, thus they are no longer handled. This resulted as a broken
two-finger scroll.
One finger event is decoded differently, and it didn't suffer from
this problem. The problem was only about MT events. --tiwai
Fixes: e7348396c6 ("Input: ALPS - fix V8+ protocol handling (73 03 28)")
Signed-off-by: Masaki Ota <masaki.ota@jp.alps.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Paul Donohue <linux-kernel@PaulSD.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
- One core fix accidentally applied first to for-next and then cherry
picked back because it needed to be in the -rc cycles instead
- Another core fix
- Two mlx5 fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull more rdma fixes from Doug Ledford:
"Well, I thought we were going to be done for this -rc cycle. I should
have known better than to say so though.
We have four additional items that trickled in.
One was a simple mistake on my part. I took a patch into my for-next
thinking that the issue was less severe than it was. I was then
notified that it needed to be in my -rc area instead.
The other three were just found late in testing.
Summary:
- One core fix accidentally applied first to for-next and then cherry
picked back because it needed to be in the -rc cycles instead
- Another core fix
- Two mlx5 fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
IB/mlx5: Always return success for RoCE modify port
IB/mlx5: Fix Raw Packet QP event handler assignment
IB/core: Avoid accessing non-allocated memory when inferring port type
RDMA/uverbs: Initialize cq_context appropriately
- Fix a regression in the ACPI EC driver causing a kernel to crash
during initialization on some systems due to a code ordering issue
exposed by a recent change (Lv Zheng).
- Fix a recent regression in ACPICA due to a change of the behavior
of a library function in a way that is not backwards compatible
with some existing callers of it (Rafael Wysocki).
- Fix a coding mistake in a library function related to the handling
of ACPI device properties introduced during the 4.12 cycle (Sakari
Ailus).
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Merge tag 'acpi-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix two recent regressions (in ACPICA and in the ACPI EC driver)
and one bug in code introduced during the 4.12 cycle (ACPI device
properties library routine).
Specifics:
- Fix a regression in the ACPI EC driver causing a kernel to crash
during initialization on some systems due to a code ordering issue
exposed by a recent change (Lv Zheng).
- Fix a recent regression in ACPICA due to a change of the behavior
of a library function in a way that is not backwards compatible
with some existing callers of it (Rafael Wysocki).
- Fix a coding mistake in a library function related to the handling
of ACPI device properties introduced during the 4.12 cycle (Sakari
Ailus)"
* tag 'acpi-4.13-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: device property: Fix node lookup in acpi_graph_get_child_prop_value()
ACPICA: Fix acpi_evaluate_object_typed()
ACPI: EC: Fix regression related to wrong ECDT initialization order
- fix linker script regression caused by dead code elimination support
- fix typos and outdated comments
- specify kselftest-clean as a PHONY target
- fix "make dtbs_install" when $(srctree) includes shell special
characters like '~'
- Move -fshort-wchar to the global option list because defining it
partially emits warnings
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Merge tag 'kbuild-fixes-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- fix linker script regression caused by dead code elimination support
- fix typos and outdated comments
- specify kselftest-clean as a PHONY target
- fix "make dtbs_install" when $(srctree) includes shell special
characters like '~'
- Move -fshort-wchar to the global option list because defining it
partially emits warnings
* tag 'kbuild-fixes-v4.13' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
kbuild: update comments of Makefile.asm-generic
kbuild: Do not use hyphen in exported variable name
Makefile: add kselftest-clean to PHONY target list
Kbuild: use -fshort-wchar globally
fixdep: trivial: typo fix and correction
kbuild: trivial cleanups on the comments
kbuild: linker script do not match C names unless LD_DEAD_CODE_DATA_ELIMINATION is configured
A small number of bugfixes, again nothing serious.
- Alexander Dahl found multiple bugs in the Atmel memory interface driver
- A randconfig build fix for at91 was incomplete, the second
attempt fixes the remaining corner case
- One fix for the TI Keystone queue handler
- The Odroid XU4 HDMI port (added in 4.13) needs a small
DT fix
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Arnd Bergmann:
"A small number of bugfixes, again nothing serious.
- Alexander Dahl found multiple bugs in the Atmel memory interface
driver
- A randconfig build fix for at91 was incomplete, the second attempt
fixes the remaining corner case
- One fix for the TI Keystone queue handler
- The Odroid XU4 HDMI port (added in 4.13) needs a small DT fix"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: exynos: add needs-hpd for Odroid-XU3/4
ARM: at91: don't select CONFIG_ARM_CPU_SUSPEND for old platforms
soc: ti: knav: Add a NULL pointer check for kdev in knav_pool_create
memory: atmel-ebi: Fix smc cycle xlate converter
memory: atmel-ebi: Allow t_DF timings of zero ns
memory: atmel-ebi: Fix smc timing return value evaluation
The implementation of TIOCGPTPEER has two issues.
When /dev/ptmx (as opposed to /dev/pts/ptmx) is opened the wrong
vfsmount is passed to dentry_open. Which results in the kernel displaying
the wrong pathname for the peer.
The second is simply by caching the vfsmount and dentry of the peer it leaves
them open, in a way they were not previously Which because of the inreased
reference counts can cause unnecessary behaviour differences resulting in
regressions.
To fix these move the ioctl into tty_io.c at a generic level allowing
the ioctl to have access to the struct file on which the ioctl is
being called. This allows the path of the slave to be derived when
opening the slave through TIOCGPTPEER instead of requiring the path to
the slave be cached. Thus removing the need for caching the path.
A new function devpts_ptmx_path is factored out of devpts_acquire and
used to implement a function devpts_mntget. The new function devpts_mntget
takes a filp to perform the lookup on and fsi so that it can confirm
that the superblock that is found by devpts_ptmx_path is the proper superblock.
v2: Lots of fixes to make the code actually work
v3: Suggestions by Linus
- Removed the unnecessary initialization of filp in ptm_open_peer
- Simplified devpts_ptmx_path as gotos are no longer required
[ This is the fix for the issue that was reverted in commit
143c97cc65, but this time without breaking 'pbuilder' due to
increased reference counts - Linus ]
Fixes: 54ebbfb160 ("tty: add TIOCGPTPEER ioctl")
Reported-by: Christian Brauner <christian.brauner@canonical.com>
Reported-and-tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
CM layer calls ib_modify_port() regardless of the link layer.
For the Ethernet ports, qkey violation and Port capabilities
are meaningless. Therefore, always return success for ib_modify_port
calls on the Ethernet ports.
Cc: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Reviewed-by: Moni Shoua <monis@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Commit 44c58487d5 ("IB/core: Define 'ib' and 'roce' rdma_ah_attr types")
introduced the concept of type in ah_attr:
* During ib_register_device, each port is checked for its type which
is stored in ib_device's port_immutable array.
* During uverbs' modify_qp, the type is inferred using the port number
in ib_uverbs_qp_dest struct (address vector) by accessing the
relevant port_immutable array and the type is passed on to
providers.
IB spec (version 1.3) enforces a valid port value only in Reset to
Init. During Init to RTR, the address vector must be valid but port
number is not mentioned as a field in the address vector, so its
value is not validated, which leads to accesses to a non-allocated
memory when inferring the port type.
Save the real port number in ib_qp during modify to Init (when the
comp_mask indicates that the port number is valid) and use this value
to infer the port type.
Avoid copying the address vector fields if the matching bit is not set
in the attr_mask. Address vector can't be modified before the port, so
no valid flow is affected.
Fixes: 44c58487d5 ('IB/core: Define 'ib' and 'roce' rdma_ah_attr types')
Signed-off-by: Noa Osherovich <noaos@mellanox.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This reverts commit c8c03f1858.
It turns out that while fixing the ptmx file descriptor to have the
correct 'struct path' to the associated slave pty is a really good
thing, it breaks some user space tools for a very annoying reason.
The problem is that /dev/ptmx and its associated slave pty (/dev/pts/X)
are on different mounts. That was what caused us to have the wrong path
in the first place (we would mix up the vfsmount of the 'ptmx' node,
with the dentry of the pty slave node), but it also means that now while
we use the right vfsmount, having the pty master open also keeps the pts
mount busy.
And it turn sout that that makes 'pbuilder' very unhappy, as noted by
Stefan Lippers-Hollmann:
"This patch introduces a regression for me when using pbuilder
0.228.7[2] (a helper to build Debian packages in a chroot and to
create and update its chroots) when trying to umount /dev/ptmx (inside
the chroot) on Debian/ unstable (full log and pbuilder configuration
file[3] attached).
[...]
Setting up build-essential (12.3) ...
Processing triggers for libc-bin (2.24-15) ...
I: unmounting dev/ptmx filesystem
W: Could not unmount dev/ptmx: umount: /var/cache/pbuilder/build/1340/dev/ptmx: target is busy
(In some cases useful info about processes that
use the device is found by lsof(8) or fuser(1).)"
apparently pbuilder tries to unmount the /dev/pts filesystem while still
holding at least one master node open, which is arguably not very nice,
but we don't break user space even when fixing other bugs.
So this commit has to be reverted.
I'll try to figure out a way to avoid caching the path to the slave pty
in the master pty. The only thing that actually wants that slave pty
path is the "TIOCGPTPEER" ioctl, and I think we could just recreate the
path at that time.
Reported-by: Stefan Lippers-Hollmann <s.l-h@gmx.de>
Cc: Eric W Biederman <ebiederm@xmission.com>
Cc: Christian Brauner <christian.brauner@canonical.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
There's some stuff still up in the air, let's not get stuck with a
subpar ABI. I'll follow up with something better for 4.14.
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
- An important core fix to reject invalid GPIOs *before* trying
to obtain a GPIO descriptor for it.
- A driver fix for the mvebu driver IRQ handling.
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Merge tag 'gpio-v4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Here are the (hopefully) last GPIO fixes for v4.13:
- an important core fix to reject invalid GPIOs *before* trying to
obtain a GPIO descriptor for it.
- a driver fix for the mvebu driver IRQ handling"
* tag 'gpio-v4.13-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: mvebu: Fix cause computation in irq handler
gpio: reject invalid gpio before getting gpio_desc
Six minor and error leg fixes, plus one major change: the reversion of
scsi-mq as the default. We're doing the latter temporarily (with a
backport to stable) to give us time to fix all the issues that turned
up with this default before trying again.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Six minor and error leg fixes, plus one major change: the reversion of
scsi-mq as the default.
We're doing the latter temporarily (with a backport to stable) to give
us time to fix all the issues that turned up with this default before
trying again"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: cxgb4i: call neigh_event_send() to update MAC address
Revert "scsi: default to scsi-mq"
scsi: sd_zbc: Write unlock zone from sd_uninit_cmnd()
scsi: aacraid: Fix out of bounds in aac_get_name_resp
scsi: csiostor: fail probe if fw does not support FCoE
scsi: megaraid_sas: fix error handle in megasas_probe_one
once error happens in shadow_indirect_ctx function, the variable
wa_ctx->indirect_ctx.obj is not initialized but accessed, so the
kernel null point panic occurs.
Fixes: 894cf7d156 ("drm/i915/gvt: i915_gem_object_create() returns an error pointer")
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: fred gao <fred.gao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Commit c4ea41ba19 ("binder: use group leader instead of open thread")'
was incomplete and didn't update a check in binder_mmap(), causing all
mmap() calls into the binder driver to fail.
Signed-off-by: Martijn Coenen <maco@android.com>
Tested-by: John Stultz <john.stultz@linaro.org>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
acpi_graph_get_child_prop_value() is intended to find a child node with a
certain property value pair. The check
if (!fwnode_property_read_u32(fwnode, prop_name, &nr))
continue;
is faulty: fwnode_property_read_u32() returns zero on success, not on
failure, leading to comparing values only if the searched property was not
found.
Moreover, the check is made against the parent device node instead of
the child one as it should be.
Fixes: 79389a83bc (ACPI / property: Add support for remote endpoints)
Reported-by: Hyungwoo Yang <hyungwoo.yang@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: 4.12+ <stable@vger.kernel.org> # 4.12+
[ rjw: Changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Commit 2d2a954375 (ACPICA: Update two error messages to emit
control method name) causes acpi_evaluate_object_typed() to fail
if its pathname argument is NULL, but some callers of that function
in the kernel, particularly acpi_nondev_subnode_data_ok(), pass
NULL as pathname to it and expect it to work.
For this reason, make acpi_evaluate_object_typed() check if its
pathname argument is NULL and fall back to using the pathname of
its handle argument if that is the case.
Reported-by: Sakari Ailus <sakari.ailus@intel.com>
Tested-by: Yang, Hyungwoo <hyungwoo.yang@intel.com>
Fixes: 2d2a954375 (ACPICA: Update two error messages to emit control method name)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Initializing cq_context with ev_queue in create_cq(), leads to NULL pointer
dereference in ib_uverbs_comp_handler(), if application doesnot use completion
channel. This patch fixes the cq_context initialization.
Fixes: 1e7710f3f6 ("IB/core: Change completion channel to use the reworked")
Cc: stable@vger.kernel.org # 4.12
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
(cherry picked from commit 699a2d5b1b)
This is the same bug as we fixed in commit f6cd7daecf ("drm: Release
driver references to handle before making it available again"), but now
the exposure is via the PRIME lookup tables. If we remove the
object/handle from the PRIME lut, then a new request for the same
object/fd will generate a new handle, thus for a short window that
object is known to userspace by two different handles. Fix this by
releasing the driver tracking before PRIME.
Fixes: 0ff926c7d4 ("drm/prime: add exported buffers to current fprivs
imported buffer list (v2)")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Rob Clark <robdclark@gmail.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Thierry Reding <treding@nvidia.com>
Cc: stable@vger.kernel.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170819120558.6465-1-chris@chris-wilson.co.uk
This patch was applied to the MFD twice, causing unwanted behavour.
This reverts commit b77eb79acc.
Fixes: b77eb79acc ("mfd: da9061: Fix to remove BBAT_CONT register from chip model")
Reported-by: Steve Twiss <stwiss.opensource@diasemi.com>
Reviewed-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Core Changes:
- Fix framebuffer leak in setplane error condition (Nikil)
- Prevent BUG in atomic_ioctl by properly resetting state on EDEADLK (Maarten)
- Add missing return in atomic_check_only if atomic_check fails (Maarten)
Driver Changes:
- rockchip: Don't try to suspend if device not initialized (Jeffy)
Cc: Jeffy Chen <jeffy.chen@rock-chips.com>
Cc: Nikhil Mahale <nmahale@nvidia.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
* tag 'drm-misc-fixes-2017-08-18' of git://anongit.freedesktop.org/git/drm-misc:
drm/atomic: If the atomic check fails, return its value first
drm/atomic: Handle -EDEADLK with out-fences correctly
drm: Fix framebuffer leak
drm/rockchip: Fix suspend crash when drm is not bound
- Enable color space conversion on the primary plane when the framebuffer
format is a YUV format.
- The IPUv3 base driver now uses drm_format_info in the PRE/PRG code. The
PRE/PRG parts are already disabled if DRM is not available. Enforce that
if DRM is built as a module, IPUv3 must be built as a module, too.
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Merge tag 'imx-drm-fixes-2017-08-18' of git://git.pengutronix.de/git/pza/linux into drm-fixes
drm/imx: fix YUV primary plane and IPUv3 build corner case
- Enable color space conversion on the primary plane when the framebuffer
format is a YUV format.
- The IPUv3 base driver now uses drm_format_info in the PRE/PRG code. The
PRE/PRG parts are already disabled if DRM is not available. Enforce that
if DRM is built as a module, IPUv3 must be built as a module, too.
* tag 'imx-drm-fixes-2017-08-18' of git://git.pengutronix.de/git/pza/linux:
drm/imx: ipuv3-plane: fix YUV framebuffer scanout on the base plane
gpu: ipu-v3: add DRM dependency
A single commit to restore the framebuffer console when there's no DRM
users left.
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Merge tag 'sunxi-drm-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into drm-fixes
Allwinner DRM fixes for 4.13
A single commit to restore the framebuffer console when there's no DRM
users left.
* tag 'sunxi-drm-fixes-for-4.13' of https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
drm/sun4i: Implement drm_driver lastclose to restore fbdev console
Pull networking fixes from David Miller:
1) Fix IGMP handling wrt VRF, from David Ahern.
2) Fix timer access to freed object in dccp, from Eric Dumazet.
3) Use kmalloc_array() in ptr_ring to avoid overflow cases which are
triggerable by userspace. Also from Eric Dumazet.
4) Fix infinite loop in unmapping cleanup of nfp driver, from Colin Ian
King.
5) Correct datagram peek handling of empty SKBs, from Matthew Dawson.
6) Fix use after free in TIPC, from Eric Dumazet.
7) When replacing a route in ipv6 we need to reset the round robin
pointer, from Wei Wang.
8) Fix bug in pci_find_pcie_root_port() which was unearthed by the
relaxed ordering changes, from Thierry Redding. I made sure to get
an explicit ACK from Bjorn this time around :-)
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (27 commits)
ipv6: repair fib6 tree in failure case
net_sched: fix order of queue length updates in qdisc_replace()
tools lib bpf: improve warning
switchdev: documentation: minor typo fixes
bpf, doc: also add s390x as arch to sysctl description
net: sched: fix NULL pointer dereference when action calls some targets
rxrpc: Fix oops when discarding a preallocated service call
irda: do not leak initialized list.dev to userspace
net/mlx4_core: Enable 4K UAR if SRIOV module parameter is not enabled
PCI: Allow PCI express root ports to find themselves
tcp: when rearming RTO, if RTO time is in past then fire RTO ASAP
net: check and errout if res->fi is NULL when RTM_F_FIB_MATCH is set
ipv6: reset fn->rr_ptr when replacing route
sctp: fully initialize the IPv6 address in sctp_v6_to_addr()
tipc: fix use-after-free
tun: handle register_netdevice() failures properly
datagram: When peeking datagrams with offset < 0 don't skip empty skbs
bpf, doc: improve sysctl knob description
netxen: fix incorrect loop counter decrement
nfp: fix infinite loop on umapping cleanup
...
We to some extent should tolerate R1_OUT_OF_RANGE for open-ending
mode as it is expected behaviour and most of the backup partition
tables should be located near some of the last blocks which will
always make open-ending read exceed the capacity of cards.
Fixes: 9820a5b111 ("mmc: core: for data errors, take response of stop cmd into account")
Fixes: a04e6bae9e ("mmc: core: check also R1 response for stop commands")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
