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usbnet provides some helper functions that are also used in
the context of reset() operations. During a reset the other
drivers on a device are unable to operate. As that can be block
drivers, a driver for another interface cannot use paging
in its memory allocations without risking a deadlock.
Use GFP_NOIO in the helpers.
Fixes: 877bd862f32b8 ("usbnet: introduce usbnet 3 command helpers")
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20220628093517.7469-1-oneukum@suse.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The incorrect path is causing the following error when trying to run net
kselftests:
In file included from bpf/nat6to4.c:43:
../../../lib/bpf/bpf_helpers.h:11:10: fatal error: 'bpf_helper_defs.h' file not found
^~~~~~~~~~~~~~~~~~~
1 error generated.
Fixes: cf67838c4422 ("selftests net: fix bpf build error")
Signed-off-by: Coleman Dietsch <dietschc@csp.edu>
Link: https://lore.kernel.org/r/20220628174744.7908-1-dietschc@csp.edu
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pablo Neira Ayuso says:
====================
Netfilter fixes for net
1) Restore set counter when one of the CPU loses race to add elements
to sets.
2) After NF_STOLEN, skb might be there no more, update nftables trace
infra to avoid access to skb in this case. From Florian Westphal.
3) nftables bridge might register a prerouting hook with zero priority,
br_netfilter incorrectly skips it. Also from Florian.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: br_netfilter: do not skip all hooks with 0 priority
netfilter: nf_tables: avoid skb access on nf_stolen
netfilter: nft_dynset: restore set element counter when failing to update
====================
Link: https://lore.kernel.org/r/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://gitlab.freedesktop.org/agd5f/linux into drm-fixes
amd-drm-fixes-5.19-2022-06-29:
amdgpu:
- GPU recovery fix
- Fix integer type usage in fourcc header for AMD modifiers
- KFD TLB flush fix for gfx9 APUs
- Display fix
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220629192220.5870-1-alexander.deucher@amd.com
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git://anongit.freedesktop.org/drm/drm-intel into drm-fixes
drm/i915 fixes for v5.19-rc5:
- Fix ioctl argument error return
- Fix d3cold disable to allow PCI upstream bridge D3 transition
- Fix setting cache_dirty for dma-buf objects on discrete
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/871qv7rblv.fsf@intel.com
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There's a KASAN warning in raid5_add_disk when running the LVM testsuite.
The warning happens in the test
lvconvert-raid-reshape-linear_to_raid6-single-type.sh. We fix the warning
by verifying that rdev->saved_raid_disk is within limits.
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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There's a KASAN warning in raid5_remove_disk when running the LVM
testsuite. We fix this warning by verifying that the "number" variable is
within limits.
Cc: stable@vger.kernel.org
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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x86_64 allmodconfig build with W=1 gives these warnings:
drivers/ata/pata_cs5535.c: In function ‘cs5535_set_piomode’:
drivers/ata/pata_cs5535.c:93:11: error: variable ‘dummy’ set but not
used [-Werror=unused-but-set-variable]
u32 reg, dummy;
^~~~~
drivers/ata/pata_cs5535.c: In function ‘cs5535_set_dmamode’:
drivers/ata/pata_cs5535.c:132:11: error: variable ‘dummy’ set but not
used [-Werror=unused-but-set-variable]
u32 reg, dummy;
^~~~~
cc1: all warnings being treated as errors
Mark variables 'dummy' as "maybe unused" as they are only ever written
in rdmsr() calls.
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Drop the redundant word 'the' in the comments following
/*
* Set PHASE registers on all pages to 0xff to ensure that phase
* specific commands will apply to all phases of a given page (rail).
* This only affects the READ_IOUT and READ_TEMPERATURE2 registers.
* READ_IOUT will return the sum of currents of all phases of a rail,
* and READ_TEMPERATURE2 will return the maximum temperature detected
* for the [the - DROP] phases of the rail.
*/
Signed-off-by: Jiang Jian <jiangjian@cdjrlc.com>
Link: https://lore.kernel.org/r/20220622063231.20612-1-jiangjian@cdjrlc.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Currently, the response to the power cap command overwrites the
first eight bytes of the poll response, since the commands use
the same buffer. This means that user's get the wrong data between
the time of sending the power cap and the next poll response update.
Fix this by specifying a different buffer for the power cap command
response.
Fixes: 5b5513b88002 ("hwmon: Add On-Chip Controller (OCC) hwmon driver")
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Link: https://lore.kernel.org/r/20220628203029.51747-1-eajames@linux.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Commit 26984d9d581e ("PM / devfreq: passive: Keep cpufreq_policy for
possible cpus") reworked governor_passive.c, and accidently added a
tab in the first line, i.e., the SPDX-License-Identifier line.
The checkpatch script warns with the SPDX_LICENSE_TAG warning, and hence
pointed this issue out while investigating checkpatch warnings.
Revert this editing accident. No functional change.
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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Remove cpufreq_passive_unregister_notifier from
cpufreq_passive_register_notifier in case of error as devfreq core
already call unregister on GOV_START fail.
This fix the kernel always printing a WARN on governor PROBE_DEFER as
cpufreq_passive_unregister_notifier is called two times and return
error on the second call as the cpufreq is already unregistered.
Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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On a devfreq PROBE_DEFER, the freq_table in the driver profile struct,
is never reset and may be leaved in an undefined state.
This comes from the fact that we store the freq_table in the driver
profile struct that is commonly defined as static and not reset on
PROBE_DEFER.
We currently skip the reinit of the freq_table if we found
it's already defined since a driver may declare his own freq_table.
This logic is flawed in the case devfreq core generate a freq_table, set
it in the profile struct and then PROBE_DEFER, freeing the freq_table.
In this case devfreq will found a NOT NULL freq_table that has been
freed, skip the freq_table generation and probe the driver based on the
wrong table.
To fix this and correctly handle PROBE_DEFER, use a local freq_table and
max_state in the devfreq struct and never modify the freq_table present
in the profile struct if it does provide it.
Fixes: 0ec09ac2cebe ("PM / devfreq: Set the freq_table of devfreq device")
Cc: stable@vger.kernel.org
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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of_get_child_by_name() returns a node pointer with refcount
incremented, we should use of_node_put() on it when done.
This function only calls of_node_put() in normal path,
missing it in error paths.
Add missing of_node_put() to avoid refcount leak.
Fixes: f262f28c1470 ("PM / devfreq: event: Add devfreq_event class")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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HZ macros has been centralized in units.h since [1]. Use it to avoid
duplicated definition.
[1] commit e2c77032fcbe ("units: add the HZ macros")
Signed-off-by: Yicong Yang <yangyicong@hisilicon.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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With the passive governor, the cpu based scaling can PROBE_DEFER due to
the fact that CPU policy are not ready.
The cpufreq passive unregister notifier is called both from the
GOV_START errors and for the GOV_STOP and assume the notifier is
successfully registred every time. With GOV_START failing it's wrong to
loop over each possible CPU since the register path has failed for
some CPU policy not ready. Change the logic and unregister the notifer
based on the current allocated parent_cpu_data list to correctly handle
errors and the governor unregister path.
Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
Signed-off-by: Christian 'Ansuel' Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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Don't print warning when a governor PROBE_DEFER as it's not a real
GOV_START fail.
Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
Signed-off-by: Christian 'Ansuel' Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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The cpufreq passive register notifier can PROBE_DEFER and the devfreq
struct is freed and then reallocaed on probe retry.
The current logic assume that the code can't PROBE_DEFER so the devfreq
struct in the this variable in devfreq_passive_data is assumed to be
(if already set) always correct.
This cause kernel panic as the code try to access the wrong address.
To correctly handle this, update the this variable in
devfreq_passive_data to the devfreq reallocated struct.
Fixes: a03dacb0316f ("PM / devfreq: Add cpu based scaling support to passive governor")
Signed-off-by: Christian 'Ansuel' Marangi <ansuelsmth@gmail.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
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This reverts commit 92020e81ddbeac351ea4a19bcf01743f32b9c800.
This causes stuttering and timeouts with DMCUB for some users
so revert it until we understand why and safely enable it
to save power.
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1887
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Cc: stable@vger.kernel.org
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amdgpu: [mmhub0] no-retry page fault (src_id:0 ring:40 vmid:8 pasid:32769, for process test_basic pid 3305 thread test_basic pid 3305)
amdgpu: in page starting at address 0x00007ff990003000 from IH client 0x12 (VMC)
amdgpu: VM_L2_PROTECTION_FAULT_STATUS:0x00840051
amdgpu: Faulty UTCL2 client ID: MP1 (0x0)
amdgpu: MORE_FAULTS: 0x1
amdgpu: WALKER_ERROR: 0x0
amdgpu: PERMISSION_FAULTS: 0x5
amdgpu: MAPPING_ERROR: 0x0
amdgpu: RW: 0x1
When memory is allocated by kfd, no one triggers the tlb flush for MMHUB0.
There is page fault from MMHUB0.
v2:fix indentation
v3:change subject and fix indentation
Signed-off-by: Ruili Ji <ruiliji2@amd.com>
Reviewed-by: Philip Yang <philip.yang@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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Kernel uapi headers are supposed to use __[us]{8,16,32,64} types defined
by <linux/types.h> as opposed to 'uint32_t' and similar. See [1] for the
relevant discussion about this topic. In this particular case, the usage
of 'uint64_t' escaped headers_check as these macros are not being called
here. However, the following program triggers a compilation error:
#include <drm/drm_fourcc.h>
int main()
{
unsigned long x = AMD_FMT_MOD_CLEAR(RB);
return 0;
}
gcc error:
drm.c:5:27: error: ‘uint64_t’ undeclared (first use in this function)
5 | unsigned long x = AMD_FMT_MOD_CLEAR(RB);
| ^~~~~~~~~~~~~~~~~
This patch changes AMD_FMT_MOD_{SET,CLEAR} macros to use the correct
integer types, which fixes the above issue.
[1] https://lkml.org/lkml/2019/6/5/18
Fixes: 8ba16d599374 ("drm/fourcc: Add AMD DRM modifiers.")
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Reviewed-by: Simon Ser <contact@emersion.fr>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Use the correct adev variable for the drm_fb_helper in
amdgpu_device_gpu_recover(). Noticed by inspection.
Fixes: 087451f372bf ("drm/amdgpu: use generic fb helpers instead of setting up AMD own's.")
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- thinkpad_acpi/ideapad-laptop: mem-leak and platform-profile fixes
- panasonic-laptop: missing hotkey presses regression fix
- some hardware-id additions
- some other small fixes
* tag 'platform-drivers-x86-v5.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: hp-wmi: Ignore Sanitization Mode event
platform/x86: thinkpad_acpi: do not use PSC mode on Intel platforms
platform/x86: thinkpad-acpi: profile capabilities as integer
platform/x86: panasonic-laptop: filter out duplicate volume up/down/mute keypresses
platform/x86: panasonic-laptop: don't report duplicate brightness key-presses
platform/x86: panasonic-laptop: revert "Resolve hotkey double trigger bug"
platform/x86: panasonic-laptop: sort includes alphabetically
platform/x86: panasonic-laptop: de-obfuscate button codes
ACPI: video: Change how we determine if brightness key-presses are handled
platform/x86: ideapad-laptop: Add Ideapad 5 15ITL05 to ideapad_dytc_v4_allow_table[]
platform/x86: ideapad-laptop: Add allow_v4_dytc module parameter
platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource
platform/mellanox: nvsw-sn2201: fix error code in nvsw_sn2201_create_static_devices()
platform/x86: intel/pmc: Add Alder Lake N support to PMC core driver
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Pull ksmbd server fixes from Steve French:
- seek null check (don't use f_seek op directly and blindly)
- offset validation in FSCTL_SET_ZERO_DATA
- fallocate fix (relates e.g. to xfstests generic/091 and 263)
- two cleanup fixes
- fix socket settings on some arch
* tag '5.19-rc4-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: use vfs_llseek instead of dereferencing NULL
ksmbd: check invalid FileOffset and BeyondFinalZero in FSCTL_ZERO_DATA
ksmbd: set the range of bytes to zero without extending file size in FSCTL_ZERO_DATA
ksmbd: remove duplicate flag set in smb2_write
ksmbd: smbd: Remove useless license text when SPDX-License-Identifier is already used
ksmbd: use SOCK_NONBLOCK type for kernel_accept()
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Currently, we'll call ceph_check_caps, but if we're still waiting
on the reply, we'll end up spinning around on the same inode in
flush_dirty_session_caps. Wait for the async create reply before
flushing caps.
Cc: stable@vger.kernel.org
URL: https://tracker.ceph.com/issues/55823
Fixes: fbed7045f552 ("ceph: wait for async create reply before sending any cap messages")
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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We encountered a problem that the disconnect command hangs.
After analyzing the log and stack, we found that the triggering
process is as follows:
CPU0 CPU1
nvme_rdma_error_recovery_work
nvme_rdma_teardown_io_queues
nvme_do_delete_ctrl nvme_stop_queues
nvme_remove_namespaces
--clear ctrl->namespaces
nvme_start_queues
--no ns in ctrl->namespaces
nvme_ns_remove return(because ctrl is deleting)
blk_freeze_queue
blk_mq_freeze_queue_wait
--wait for ns to unquiesce to clean infligt IO, hang forever
This problem was not found in older kernels because we will flush
err work in nvme_stop_ctrl before nvme_remove_namespaces.It does not
seem to be modified for functional reasons, the patch can be revert
to solve the problem.
Revert commit 794a4cb3d2f7 ("nvme: remove the .stop_ctrl callout")
Signed-off-by: Ruozhu Li <liruozhu@huawei.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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ADATA XPG SPECTRIX S40G drives report bogus eui64 values that appear to
be the same across drives in one system. Quirk them out so they are
not marked as "non globally unique" duplicates.
Before:
[ 2.258919] nvme nvme1: pci function 0000:06:00.0
[ 2.264898] nvme nvme2: pci function 0000:05:00.0
[ 2.323235] nvme nvme1: failed to set APST feature (2)
[ 2.326153] nvme nvme2: failed to set APST feature (2)
[ 2.333935] nvme nvme1: allocated 64 MiB host memory buffer.
[ 2.336492] nvme nvme2: allocated 64 MiB host memory buffer.
[ 2.339611] nvme nvme1: 7/0/0 default/read/poll queues
[ 2.341805] nvme nvme2: 7/0/0 default/read/poll queues
[ 2.346114] nvme1n1: p1
[ 2.347197] nvme nvme2: globally duplicate IDs for nsid 1
After:
[ 2.427715] nvme nvme1: pci function 0000:06:00.0
[ 2.427771] nvme nvme2: pci function 0000:05:00.0
[ 2.488154] nvme nvme2: failed to set APST feature (2)
[ 2.489895] nvme nvme1: failed to set APST feature (2)
[ 2.498773] nvme nvme2: allocated 64 MiB host memory buffer.
[ 2.500587] nvme nvme1: allocated 64 MiB host memory buffer.
[ 2.504113] nvme nvme2: 7/0/0 default/read/poll queues
[ 2.507026] nvme nvme1: 7/0/0 default/read/poll queues
[ 2.509467] nvme nvme2: Ignoring bogus Namespace Identifiers
[ 2.512804] nvme nvme1: Ignoring bogus Namespace Identifiers
[ 2.513698] nvme1n1: p1
Signed-off-by: Pablo Greco <pgreco@centosproject.org>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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queue stoppage and inflight requests cancellation is fully fenced from
io_work and thus failing a request from this context. Hence we don't
need to try to guess from the socket retcode if this failure is because
the queue is about to be torn down or not.
We are perfectly safe to just fail it, the request will not be cancelled
later on.
This solves possible very long shutdown delays when the users issues a
'nvme disconnect-all'
Reported-by: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Data digest calculation iterates over command mapped iovec. However
since commit bac04454ef9f we unmap the iovec before we handle the data
digest, and since commit 69b85e1f1d1d we clear nr_mapped when we unmap
the iov.
Instead of open-coding the command iov traversal, simply call
crypto_ahash_digest with the command sg that is already allocated (we
already do that for the send path). Rename nvmet_tcp_send_ddgst to
nvmet_tcp_calc_ddgst and call it from send and recv paths.
Fixes: 69b85e1f1d1d ("nvmet-tcp: add an helper to free the cmd buffers")
Fixes: bac04454ef9f ("nvmet-tcp: fix kmap leak when data digest in use")
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Don't print a misleading header length mismatch error if the i2c call
returns an error. Instead just return the error code without any error
message.
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are packets which doesn't have a payload. In that case, the second
i2c_master_read() will have a zero length. But because the NFC
controller doesn't have any data left, it will NACK the I2C read and
-ENXIO will be returned. In case there is no payload, just skip the
second i2c master read.
Fixes: 6be88670fc59 ("NFC: nxp-nci_i2c: Add I2C support to NXP NCI driver")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Free sk in case tipc_sk_insert() fails.
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The platform devices registered by sysfb match with firmware-based DRM or
fbdev drivers, that are used to have early graphics using a framebuffer
provided by the system firmware.
DRM or fbdev drivers later are probed and remove conflicting framebuffers,
leading to these platform devices for generic drivers to be unregistered.
But the current solution has a race, since the sysfb_init() function could
be called after a DRM or fbdev driver is probed and request to unregister
the devices for drivers with conflicting framebuffes.
To prevent this, disable any future sysfb platform device registration by
calling sysfb_disable(), if a driver requests to remove the conflicting
framebuffers.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220607182338.344270-4-javierm@redhat.com
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This can be used by subsystems to unregister a platform device registered
by sysfb and also to disable future platform device registration in sysfb.
Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220607182338.344270-3-javierm@redhat.com
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This function just returned 0 on success or an errno code on error, but it
could be useful for sysfb_init() callers to have a pointer to the device.
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220607182338.344270-2-javierm@redhat.com
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The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.
Reported-by: Lv Ruyi <lv.ruyi@zte.com.cn>
Fixes: caf6e49bf6d0 ("NFC: nfcmrvl: add spi driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220627124048.296253-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As of commit 5801f064e351 ("net: ipv6: unexport __init-annotated seg6_hmac_init()"),
EXPORT_SYMBOL and __init is a bad combination because the .init.text
section is freed up after the initialization. Hence, modules cannot
use symbols annotated __init. The access to a freed symbol may end up
with kernel panic.
This remove the EXPORT_SYMBOL to fix modpost warning:
WARNING: modpost: vmlinux.o(___ksymtab+seg6_hmac_net_init+0x0): Section mismatch in reference from the variable __ksymtab_seg6_hmac_net_init to the function .init.text:seg6_hmac_net_init()
The symbol seg6_hmac_net_init is exported and annotated __init
Fix this by removing the __init annotation of seg6_hmac_net_init or drop the export.
Fixes: bf355b8d2c30 ("ipv6: sr: add core files for SR HMAC support")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20220628033134.21088-1-yuehaibing@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://gitlab.freedesktop.org/drm/msm into drm-fixes
Fixes for v5.19-rc5
- Fix to increment vsync_cnt before calling drm_crtc_handle_vblank so that
userspace sees the value *after* it is incremented if waiting for vblank
events
- Fix to reset drm_dev to NULL in dp_display_unbind to avoid a crash in
probe/bind error paths
- Fix to resolve the smatch error of de-referencing before NULL check in
dpu_encoder_phys_wb.c
- Fix error return to userspace if fence-id allocation fails in submit
ioctl
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGvswNKdd02EYKYv5Zjv7f+mcqeWC7hHQ1SBjqYzN_ZHnA@mail.gmail.com
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When kcalloc fails, ipip6_tunnel_get_prl() should return -ENOMEM.
Move the position of label "out" to return correctly.
Addresses-Coverity: ("Unused value")
Fixes: 300aaeeaab5f ("[IPV6] SIT: Add SIOCGETPRL ioctl to get/dump PRL.")
Signed-off-by: katrinzhou <katrinzhou@tencent.com>
Reviewed-by: Eric Dumazet<edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20220628035030.1039171-1-zys.zljxml@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Mat Martineau says:
====================
mptcp: Fixes for 5.19
Several categories of fixes from the mptcp tree:
Patches 1-3 are fixes related to MP_FAIL and FASTCLOSE, to make sure
MIBs are accurate, and to handle MP_FAIL transmission and responses at
the correct times. sk_timer conflicts are also resolved.
Patches 4 and 6 handle two separate race conditions, one at socket
shutdown and one with unaccepted subflows.
Patch 5 makes sure read operations are not blocked during fallback to
TCP.
Patch 7 improves the diag selftest, which were incorrectly failing on
slow machines (like the VMs used for CI testing).
Patch 8 avoids possible symbol redefinition errors in the userspace
mptcp.h file.
Patch 9 fixes a selftest build issue with gcc 12.
====================
Link: https://lore.kernel.org/r/20220628010243.166605-1-mathew.j.martineau@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In a few MPTCP selftest tools, gcc 12 complains that the 'sock' variable
might be used uninitialized. This is a false positive because the only
code path that could lead to uninitialized access is where getaddrinfo()
fails, but the local xgetaddrinfo() wrapper exits if such a failure
occurs.
Initialize the 'sock' variable anyway to allow the tools to build with
gcc 12.
Fixes: 048d19d444be ("mptcp: add basic kselftest for mptcp")
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Including <linux/mptcp.h> before the C library <netinet/in.h> header
causes symbol redefinition errors at compile-time due to duplicate
declarations and definitions in the <linux/in.h> header included by
<linux/mptcp.h>.
Explicitly include <netinet/in.h> before <linux/in.h> in
<linux/mptcp.h> when __KERNEL__ is not defined so that the C library
compatibility logic in <linux/libc-compat.h> is enabled when including
<linux/mptcp.h> in user space code.
Fixes: c11c5906bc0a ("mptcp: add MPTCP_SUBFLOW_ADDRS getsockopt support")
Signed-off-by: Ossama Othman <ossama.othman@intel.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The mentioned test-case still use an hard-coded-len sleep to
wait for a relative large number of connection to be established.
On very slow VM and with debug build such timeout could be exceeded,
causing failures in our CI.
Address the issue polling for the expected condition several times,
up to an unreasonable high amount of time. On reasonably fast system
the self-tests will be faster then before, on very slow one we will
still catch the correct condition.
Fixes: df62f2ec3df6 ("selftests/mptcp: add diag interface tests")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When the listener socket owning the relevant request is closed,
it frees the unaccepted subflows and that causes later deletion
of the paired MPTCP sockets.
The mptcp socket's worker can run in the time interval between such delete
operations. When that happens, any access to msk->first will cause an UaF
access, as the subflow cleanup did not cleared such field in the mptcp
socket.
Address the issue explicitly traversing the listener socket accept
queue at close time and performing the needed cleanup on the pending
msk.
Note that the locking is a bit tricky, as we need to acquire the msk
socket lock, while still owning the subflow socket one.
Fixes: 86e39e04482b ("mptcp: keep track of local endpoint still available for each msk")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When the MPTCP receive path reach a non fatal fall-back condition, e.g.
when the MPC sockets must fall-back to TCP, the existing code is a little
self-inconsistent: it reports that new data is available - return true -
but sets the MPC flag to the opposite value.
As the consequence read operations in some exceptional scenario may block
unexpectedly.
Address the issue setting the correct MPC read status. Additionally avoid
some code duplication in the fatal fall-back scenario.
Fixes: 9c81be0dbc89 ("mptcp: add MP_FAIL response support")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If the MPTCP socket shutdown happens before a fallback
to TCP, and all the pending data have been already spooled,
we never close the TCP connection.
Address the issue explicitly checking for critical condition
at fallback time.
Fixes: 1e39e5a32ad7 ("mptcp: infinite mapping sending")
Fixes: 0348c690ed37 ("mptcp: add the fallback check")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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mptcp_mp_fail_no_response shouldn't be invoked on each worker run, it
should be invoked only when MP_FAIL response timeout occurs.
This patch refactors the MP_FAIL response logic.
It leverages the fact that only the MPC/first subflow can gracefully
fail to avoid unneeded subflows traversal: the failing subflow can
be only msk->first.
A new 'fail_tout' field is added to the subflow context to record the
MP_FAIL response timeout and use such field to reliably share the
timeout timer between the MP_FAIL event and the MPTCP socket close
timeout.
Finally, a new ack is generated to send out MP_FAIL notification as soon
as we hit the relevant condition, instead of waiting a possibly unbound
time for the next data packet.
Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/281
Fixes: d9fb797046c5 ("mptcp: Do not traverse the subflow connection list without lock")
Co-developed-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This allow moving a couple of conditional out of the fast path,
making the code more easy to follow and will simplify the next
patch.
Fixes: ae66fb2ba6c3 ("mptcp: Do TCP fallback on early DSS checksum failure")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The current accounting for MP_FAIL and FASTCLOSE is not very
accurate: both can be increased even when the related option is
not really sent. Move the accounting into the correct place.
Fixes: eb7f33654dc1 ("mptcp: add the mibs for MP_FAIL")
Fixes: 1e75629cb964 ("mptcp: add the mibs for MP_FASTCLOSE")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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After system resume the hp-wmi driver may complain:
[ 702.620180] hp_wmi: Unknown event_id - 23 - 0x0
According to HP it means 'Sanitization Mode' and it's harmless to just
ignore the event.
Cc: Jorge Lopez <jorge.lopez2@hp.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20220628123726.250062-1-kai.heng.feng@canonical.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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