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In case we have multiple modesets for different connectors
happening in parallel we could have a race on the RMW on these
shared registers.
This possibility was initially raised by Paulo when reviewing
commit '555e38d27317 ("drm/i915/cnl: DDI - PLL mapping")'
but the original possibility comes from commit '5416d871136d
("drm/i915/skl: Set the eDP link rate on DPLL0")'. Or maybe
later when atomic commits entered into picture.
Apparently the discussion around this topic showed that the
right solution would be on serializing the atomic commits in
a way that we don't have the possibility of races here since
if that parallel modeset happenings apparently many other
things will be on fire.
Code is there since SKL and there was no report of issue,
but since we never looked back to that serialization possibility,
and also we don't have an igt case for that it is better to at
least protect this corner.
Suggested-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Fixes: 555e38d27317 ("drm/i915/cnl: DDI - PLL mapping")
Fixes: 5416d871136d ("drm/i915/skl: Set the eDP link rate on DPLL0")
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst maarten.lankhorst@linux.intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com
Link: https://patchwork.freedesktop.org/patch/msgid/20171215224310.19103-1-rodrigo.vivi@intel.com
(cherry picked from commit 8edcda1266f93816fde77c9754f388ae0ae343fc)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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Just printk the string, or at least do not double up on the newlines!
Fixes: eef57324d926 ("drm/i915: setup bridge for HDMI LPE audio driver")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Jerome Anand <jerome.anand@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171213182858.2159-1-chris@chris-wilson.co.uk
(cherry picked from commit 99cd05c43baac8ef56c20eb1776a15b02c81ccc3)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
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'spi/fix/doc', 'spi/fix/imx', 'spi/fix/rspi', 'spi/fix/sun4i' and 'spi/fix/xilinx' into spi-linus
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Commit 8e55b6fd0660 ("staging: lustre: lnet: replace list_for_each
with list_for_each_entry") was intended to be an idempotent change,
but actually broke the behavior of ksocknal_add_peer() causing mounts to fail.
The fact that it caused an existing "route2 = NULL;" to become
redundant could have been a clue. The fact that the loop body
set the new loop variable to NULL might also have been a clue
The original code relied on "route2" being NULL if nothing was found.
The new code would always set route2 to a non-NULL value if the list
was empty, and would likely crash if the list was not empty.
Restore correct functionality by using code-flow rather the value of
"route2" to determine whether to use on old route, or to add a new one.
Fixes: 8e55b6fd0660 ("staging: lustre: lnet: replace list_for_each with list_for_each_entry")
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit e0429362ab15
("usb: Add device quirk for Logitech HD Pro Webcams C920 and C930e")
introduced quirk to workaround an issue with some Logitech webcams.
There is one more model that has the same issue - C925e, so applying
the same quirk as well.
See aforementioned commit message for detailed explanation of the problem.
Signed-off-by: Dmitry Fleytman <dmitry.fleytman@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This modem needs this quirk to operate. It produces timeouts when
resumed without reset.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix the following static checker warnings:
The patch c6688ef9f297: "usbip: fix stub_rx: harden CMD_SUBMIT path
to handle malicious input" from Dec 7, 2017, leads to the following
static checker warning:
drivers/usb/usbip/stub_rx.c:346 get_pipe()
warn: impossible condition
'(pdu->u.cmd_submit.transfer_buffer_length > ((~0 >> 1))) =>
(s32min-s32max > s32max)'
drivers/usb/usbip/stub_rx.c:486 stub_recv_cmd_submit()
warn: always true condition
'(pdu->u.cmd_submit.transfer_buffer_length <= ((~0 >> 1))) =>
(s32min-s32max <= s32max)'
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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usbip driver is leaking socket pointer address in messages. Remove
the messages that aren't useful and print sockfd in the ones that
are useful for debugging.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove and/or change debug, info. and error messages to not print
kernel pointer addresses.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove and/or change debug, info. and error messages to not print
kernel pointer addresses.
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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USB 3.1 devices are not detected as 3.1 capable since 4.15-rc3 due to a
off by one in commit 81cf4a45360f ("USB: core: Add type-specific length
check of BOS descriptors")
It uses USB_DT_USB_SSP_CAP_SIZE() to get SSP capability size which takes
the zero based SSAC as argument, not the actual count of sublink speed
attributes.
USB3 spec 9.6.2.5 says "The number of Sublink Speed Attributes = SSAC + 1."
The type-specific length check patch was added to stable and needs to be
fixed there as well
Fixes: 81cf4a45360f ("USB: core: Add type-specific length check of BOS descriptors")
Cc: linux-stable <stable@vger.kernel.org>
CC: Masakazu Mokuno <masakazu.mokuno@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux-phy into usb-linus
Kishon writes:
phy: for 4.15 -rc
*) Fix device-tree node lookups in tegra xusb
*) Fix platform_get_irq_byname's error checking in cpcap-usb phy driver
*) Fix in rockchip-typec phy driver to balance pm_runtime_enable/disable
*) Fix compiler error in rcar-gen3-usb2 phy when USB is disabled
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
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This patch adds support for YUGA CLM920-NC5 PID 0x9625 USB modem to option
driver.
Interface layout:
0: QCDM/DIAG
1: ADB
2: MODEM
3: AT
4: RMNET
Signed-off-by: Taiyi Wu <taiyity.wu@moxa.com>
Signed-off-by: SZ Lin (林上智) <sz.lin@moxa.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
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The only part of atmel_spi_remove which needs to be atomic is hardware
reset.
atmel_spi_stop_dma calls dma_terminate_all and this needs interrupts
enabled.
atmel_spi_release_dma calls dma_release_channel and dma_release_channel
locks a mutex inside of spin_lock.
So the call of these functions can't be inside a spin_lock.
Reported-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Radu Pirea <radu.pirea@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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The commit 4c7f16d14a33 ("drm/sun4i: Fix TCON clock and regmap
initialization sequence") moved a bunch of logic around, but forgot to
update the gotos after the introduction of the err_free_dotclock label.
It means that if we fail later that the one introduced in that commit,
we'll just to the old label which isn't free the clock we created. This
will result in a breakage as soon as someone tries to do something with
that clock, since its resources will have been long reclaimed.
Cc: <stable@vger.kernel.org>
Fixes: 4c7f16d14a33 ("drm/sun4i: Fix TCON clock and regmap initialization sequence")
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Link: https://patchwork.freedesktop.org/patch/msgid/f83c1cebc731f0b4251f5ddd7b38c718cd79bb0b.1512662253.git-series.maxime.ripard@free-electrons.com
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The driver may sleep under a spinlock.
The function call path is:
hwsim_get_radio_nl (acquire the spinlock)
nlmsg_new(GFP_KERNEL) --> may sleep
To fix it, GFP_KERNEL is replaced with GFP_ATOMIC.
This bug is found by my static analysis tool(DSAC) and checked by my code review.
Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Same as in ieee80211_nullfunc_get, enable the TODS bit, otherwise the
nullfunc packet will not be handled in ap rx path.
(will be dropped in ieee80211_accept_frame()).
Signed-off-by: Adiel Aloni <adiel.aloni@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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As it turned out device_get() doesn't use kref_get_unless_zero(), so we
will be always getting a device pointer. Consequently, we need to check
for the device state in __scsi_remove_target() to avoid tripping over
deleted objects.
Fixes: fbce4d97fd43 ("scsi: fixup kernel warning during rmmod()")
Reported-by: Jason Yan <yanaijie@huawei.com>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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nouveau regression fixes, and some minor fixes.
* 'linux-4.15' of git://github.com/skeggsb/linux:
drm/nouveau: use alternate memory type for system-memory buffers with kind != 0
drm/nouveau: avoid GPU page sizes > PAGE_SIZE for buffer objects in host memory
drm/nouveau/mmu/gp10b: use correct implementation
drm/nouveau/pci: do a msi rearm on init
drm/nouveau/imem/nv50: fix refcount_t warning
drm/nouveau/bios/dp: support DP Info Table 2.0
drm/nouveau/fbcon: fix NULL pointer access in nouveau_fbcon_destroy
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Pull MTD fixes from Richard Weinberger:
"This contains the following regression fixes:
- fix bitflip handling in brcmnand and gpmi nand drivers
- revert a bad device tree binding for spi-nor
- fix a copy&paste error in gpio-nand driver
- fix a too strict length check in mtd core"
* tag 'for-linus-20171218' of git://git.infradead.org/linux-mtd:
mtd: Fix mtd_check_oob_ops()
mtd: nand: gpio: Fix ALE gpio configuration
mtd: nand: brcmnand: Zero bitflip is not an error
mtd: nand: gpmi: Fix failure when a erased page has a bitflip at BBM
Revert "dt-bindings: mtd: add sst25wf040b and en25s64 to sip-nor list"
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Fixes bug on Tegra where we'd strip kind information from system memory
(ie. all) buffers, resulting in misrendering.
Behaviour on dGPU should be unchanged.
Reported-by: Thierry Reding <treding@nvidia.com>
Fixes: d7722134b8 ("drm/nouveau: switch over to new memory and vmm interfaces")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Thierry Reding <treding@nvidia.com>
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While the Tegra (GK20A, GM20B, GP10B) MMUs support large pages in host
memory, we're currently lacking IOMMU support for merging system pages
into large enough chunks to be mapped as such by the GPU.
The core VMM code actually supports automatically determining the best
page size to map with, which is intended for these situations, but for
various complicated reasons the DRM is currently forcing the page size
selection on a per-BO basis.
This should fix breakage reported on Tegra GPUs in the meantime, until
one or both of the above issues are resolved properly.
Reported-by: Mikko Perttunen <cyndis@kapsi.fi>
Fixes: 7dc6a446da7c ("drm/nouveau: improve selection of GPU page size")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Thierry Reding <treding@nvidia.com>
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Reported-by: Mikko Perttunen <cyndis@kapsi.fi>
Fixes: 6359c98224 ("drm/nouveau/mmu/gp10b: fork from gf100")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Thierry Reding <treding@nvidia.com>
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On my GP107 when I load nouveau after unloading it, for some reason the
GPU stopped sending or the CPU stopped receiving interrupts if MSI was
enabled.
Doing a rearm once before getting any interrupts fixes this.
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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When the fbcon object is initialized, but nouveau_fbcon_create is not
called, we run into a NULL pointer access within nouveau_fbcon_create when
unloading nouveau.
The call to drm_fb_helper_funcs.fb_probe is deferred until there is a
display for real since 4.14, that's why fbcon->helper.fb is still not set.
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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gpiod_() API requires including "linux/gpio/consumer.h". Also, we are not
using the legacy API nor the static board files descriptions, so no need to
include gpio.h nor gpio/machine.h.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Anthony Kim <anthony.kim@hideep.com>
Patchwork-Id: 10094831
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Commit caa4b02476e3(blk-map: call blk_queue_bounce from blk_rq_append_bio)
moves blk_queue_bounce() into blk_rq_append_bio(), but don't consider
the fact that the bounced bio becomes invisible to caller since the
parameter type is 'struct bio *'. Make it a pointer to a pointer to
a bio, so the caller sees the right bio also after a bounce.
Fixes: caa4b02476e3 ("blk-map: call blk_queue_bounce from blk_rq_append_bio")
Cc: Christoph Hellwig <hch@lst.de>
Reported-by: Michele Ballabio <barra_cuda@katamail.com>
(handling failure of blk_rq_append_bio(), only call bio_get() after
blk_rq_append_bio() returns OK)
Tested-by: Michele Ballabio <barra_cuda@katamail.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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There are several error paths in xgene_mdio_probe(),
where clk is left undisabled. The patch fixes them.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Observed on the 88e1512 in SGMII-to-Copper mode, negotiating pause
is unreliable. While the pause bits can be set in the advertisment
register, they clear shortly after negotiation with a link partner
commences irrespective of the cause of the negotiation.
While these bits may be correctly conveyed to the link partner on the
first negotiation, a subsequent negotiation (eg, due to negotiation
restart by the link partner, or reconnection of the cable) will result
in the link partner seeing these bits as zero, while the kernel
believes that it has advertised pause modes.
This leads to the local kernel evaluating (eg) symmetric pause mode,
while the remote end evaluates that we have no pause mode capability.
Since we can't guarantee the advertisment, disable pause mode support
with this PHY when used in SGMII-to-Copper mode.
The 88e1510 in RGMII-to-Copper mode appears to behave correctly.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc fixes from Helge Deller:
"There are two important fixes here:
- Add PCI quirks to disable built-in a serial AUX and a graphics
cards from specific GSP (management board) PCI cards. This fixes
boot via serial console on rp3410 and rp3440 machines.
- Revert the "Re-enable interrups early" patch which was added to
kernel v4.10. It can trigger stack overflows and thus silent data
corruption. With this patch reverted we can lower our thread stack
back to 16kb again.
The other patches are minor cleanups: avoid duplicate includes,
indenting fixes, correctly align variable in asm code"
* 'parisc-4.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Reduce thread stack to 16 kb
Revert "parisc: Re-enable interrupts early"
parisc: remove duplicate includes
parisc: Hide Diva-built-in serial aux and graphics card
parisc: Align os_hpmc_size on word boundary
parisc: Fix indenting in puts()
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This patch fixes the order of mac_up and sgmii_open for the
reasons noted below:
- If open takes more time(if the SGMII block is not responding or
if we want to do some delay based task) in this situation we
will hit NETDEV watchdog
- The main reason : We should signal to upper layers that we are
ready to receive packets "only" when the entire path is initialized
not the other way around, this is followed in the reset path where
we do mac_down, sgmii_reset and mac_up. This also makes the driver
uniform across the reset and open paths.
- In the future there may be need for delay based tasks to be done in
sgmii open which will result in NETDEV watchdog
- As per the documentation the order of init should be sgmii, mac, rings
and DMA
Signed-off-by: Hemanth Puranik <hpuranik@codeaurora.org>
Acked-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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88E1145 also need this autoneg errata.
Fixes: f2899788353c ("net: phy: marvell: Limit errata to 88m1101")
Signed-off-by: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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proc->files cleanup is initiated by binder_vma_close. Therefore
a reference on the binder_proc is not enough to prevent the
files_struct from being released while the binder_proc still has
a reference. This can lead to an attempt to dereference the
stale pointer obtained from proc->files prior to proc->files
cleanup. This has been seen once in task_get_unused_fd_flags()
when __alloc_fd() is called with a stale "files".
The fix is to protect proc->files with a mutex to prevent cleanup
while in use.
Signed-off-by: Todd Kjos <tkjos@google.com>
Cc: stable <stable@vger.kernel.org> # 4.14
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Without the patch, a device can't be thoroughly destroyed, because
vmbus_device_register() -> kset_create_and_add() still holds a reference
to the hv_device's device.kobj.
Signed-off-by: Dexuan Cui <decui@microsoft.com>
Cc: Stephen Hemminger <sthemmin@microsoft.com>
Fixes: c2e5df616e1a ("vmbus: add per-channel sysfs info")
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The commit f6f828513290 ("pstore: pass allocated memory region back to
caller") changed the check of the return value from erst_read() in
erst_reader() in the following way:
if (len == -ENOENT)
goto skip;
- else if (len < 0) {
- rc = -1;
+ else if (len < sizeof(*rcd)) {
+ rc = -EIO;
goto out;
This introduced another bug: since the comparison with sizeof() is
cast to unsigned, a negative len value doesn't hit any longer.
As a result, when an error is returned from erst_read(), the code
falls through, and it may eventually lead to some weird thing like
memory corruption.
This patch adds the negative error value check more explicitly for
addressing the issue.
Fixes: f6f828513290 (pstore: pass allocated memory region back to caller)
Cc: All applicable <stable@vger.kernel.org>
Tested-by: Jerry Tang <jtang@suse.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The initialization of pcc_ss_data from pcc_data[pcc_ss_id] before
pcc_ss_id is being range checked could lead to an out-of-bounds array
read. This very same initialization is also being performed after
the range check on pcc_ss_id, so we can just remove this problematic
and also redundant assignment to fix the issue.
Detected by cppcheck:
warning: Value stored to 'pcc_ss_data' during its initialization is never
read
Fixes: 85b1407bf6d2 (ACPI / CPPC: Make CPPC ACPI driver aware of PCC subspace IDs)
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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After commit aa7519af450d (cpufreq: Use transition_delay_us for legacy
governors as well) the sampling_rate field of struct dbs_data may be
less than the tick period which causes dbs_update() to produce
incorrect results, so make the code ensure that the value of that
field will always be sufficiently large.
Fixes: aa7519af450d (cpufreq: Use transition_delay_us for legacy governors as well)
Reported-by: Andy Tang <andy.tang@nxp.com>
Reported-by: Doug Smythies <dsmythies@telus.net>
Tested-by: Andy Tang <andy.tang@nxp.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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The commit moving the speed grading check to the cpufreq driver introduced
some additional checks, so the OPP disable is only attempted on SoCs where
those OPPs are present. The compatible checks are missing the QuadPlus
compatible, so invalid OPPs are not correctly disabled there.
Move both checks to a single condition, so we don't need to sprinkle even
more calls to of_machine_is_compatible().
Fixes: 2b3d58a3adca (cpufreq: imx6q: Move speed grading check to cpufreq driver)
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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It is incorrect to call pci_restore_state() for devices in low-power
states (D1-D3), as that involves the restoration of MSI setup which
requires MMIO to be operational and that is only the case in D0.
However, pci_pm_thaw_noirq() may do that if the driver's "freeze"
callbacks put the device into a low-power state, so fix it by making
it force devices into D0 via pci_set_power_state() instead of trying
to "update" their power state which is pointless.
Fixes: e60514bd4485 (PCI/PM: Restore the status of PCI devices across hibernation)
Cc: 4.13+ <stable@vger.kernel.org> # 4.13+
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Reported-by: Maarten Lankhorst <dev@mblankhorst.nl>
Tested-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Maarten Lankhorst <dev@mblankhorst.nl>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
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The mtd_check_oob_ops() helper verifies if the operation defined by the
user is correct.
Fix the check that verifies if the entire requested area exists. This
check is too restrictive and will fail anytime the last data byte of the
very last page is included in an operation.
Fixes: 5cdd929da53d ("mtd: Add sanity checks in mtd_write/read_oob()")
Signed-off-by: Miquel Raynal <miquel.raynal@free-electrons.com>
Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v4.15-rc4
* tag 'drm-intel-fixes-2017-12-14' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915/fence: Use rcu to defer freeing of irq_work
drm/i915: Stop listening to request resubmission from the signaler kthread
drm/i915: Drop fb reference on load_detect_pipe failure path
drm/i915: Flush pending GTT writes before unbinding
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into drm-fixes
Nothing too major here. A couple more ttm fixes for huge page and a kiq
fix for amdgpu, along with some DC fixes.
* 'drm-fixes-4.15' of git://people.freedesktop.org/~agd5f/linux:
drm/amd/display: Fix rehook MST display not light back on
drm/amd/display: fix missing pixel clock adjustment for dongle
drm/amd/display: set chroma taps to 1 when not scaling
drm/amd/display: add pipe locking before front end programing
drm/amdgpu: fix MAP_QUEUES paramter
drm/ttm: max_cpages is in unit of native page
drm/ttm: fix incorrect calculate on shrink_pages
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull Page Table Isolation (PTI) preparatory tree from Ingo Molnar:
"This does a rename to free up linux/pti.h to be used by the upcoming
page table isolation feature"
* 'WIP.x86-pti.base.prep-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
drivers/misc/intel/pti: Rename the header file to free up the namespace
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git://git.infradead.org/users/vkoul/slave-dma
Pull dmaengine fixes from Vinod Koul:
"This time consisting of fixes in a bunch of drivers and the dmatest
module:
- Fix for disable clk on error path in fsl-edma driver
- Disable clk fail fix in jz4740 driver
- Fix long pending bug in dmatest driver for dangling pointer
- Fix potential NULL pointer dereference in at_hdmac driver
- Error handling path in ioat driver"
* tag 'dmaengine-fix-4.15-rc4' of git://git.infradead.org/users/vkoul/slave-dma:
dmaengine: fsl-edma: disable clks on all error paths
dmaengine: jz4740: disable/unprepare clk if probe fails
dmaengine: dmatest: move callback wait queue to thread context
dmaengine: at_hdmac: fix potential NULL pointer dereference in atc_prep_dma_interleaved
dmaengine: ioat: Fix error handling path
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Diva GSP card has built-in serial AUX port and ATI graphic card which simply
don't work and which both don't have external connectors. User Guides even
mention that those devices shouldn't be used.
So, prevent that Linux drivers try to enable those devices.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: <stable@vger.kernel.org> # v3.0+
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[ Note, this is a Git cherry-pick of the following commit:
506458efaf15 ("locking/barriers: Convert users of lockless_dereference() to READ_ONCE()")
... for easier x86 PTI code testing and back-porting. ]
READ_ONCE() now has an implicit smp_read_barrier_depends() call, so it
can be used instead of lockless_dereference() without any change in
semantics.
Signed-off-by: Will Deacon <will.deacon@arm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1508840570-22169-4-git-send-email-will.deacon@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge a minimal set of virt cleanups, for a base for the MM isolation patches.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Signed-off-by: Ingo Molnar <mingo@kernel.org>
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