Avoid pointer type value compared with 0 to make code clear.
./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_dpmm/dml2_dpmm_factory.c:24:12-13: WARNING comparing pointer to 0.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9458
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Avoid pointer type value compared with 0 to make code clear.
./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_mcg/dml2_mcg_factory.c:19:12-13: WARNING comparing pointer to 0.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9458
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Avoid pointer type value compared with 0 to make code clear.
./drivers/gpu/drm/amd/display/dc/dml2/dml21/src/dml2_pmo/dml2_pmo_factory.c:31:12-13: WARNING comparing pointer to 0.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9458
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
The return value from the call to dml21_find_dc_pipes_for_plane() is int.
However, the return value is being assigned to an unsigned int variable
'num_pipes', the condition if(num_pipes <= 0) is not rigorous enough,
so making 'num_pipes' an int.
./drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c:318:6-15: WARNING: Unsigned expression compared with zero: num_pipes <= 0.
./drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_wrapper.c:360:6-15: WARNING: Unsigned expression compared with zero: num_pipes <= 0.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=9454
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Invocation the tool built with the default settings fails:
$ cpupower
cpupower: error while loading shared libraries: libcpupower.so.1: cannot
open shared object file: No such file or directory
The issue is that Makefile puts the library to "/usr/lib64" dir for a 64
bit machine. This is wrong. According to the "File hierarchy standard
specification:
https://en.wikipedia.org/wiki/Filesystem_Hierarchy_Standardhttps://refspecs.linuxfoundation.org/FHS_3.0/fhs-3.0.pdf
"/usr/lib<qual>" dirs are intended for alternative-format libraries
(e.g., "/usr/lib32" for 32-bit libraries on a 64-bit machine (optional)).
The utility is built for the current machine and doesn't handle
'CROSS_COMPILE' and 'ARCH' env variables. It also doesn't change bit
depth. So the result is always the same - binary for x86_64
architecture. Therefore the library should be put in the '/usr/lib'
dir regardless of the build options.
This is the case for all the distros that comply with the
'File Hierarchy Standard 3.0" by Linux Foundation. Most of the distros
comply with it. For example, one can check this by examining the
"/usr/lb64" dir on debian-based distros and find that it contains only
"/usr/lib64/ld-linux-x86-64.so.2". And examine that "/usr/lib" contains
both 32 and 64 bit code:
find /usr/lib -name "*.so*" -type f | xargs file | grep 32-bit
find /usr/lib -name "*.so*" -type f | xargs file | grep 64-bit
Fix the issue by changing library destination dir to "/usr/lib".
Signed-off-by: Roman Storozhenko <romeusmeister@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This kselftest fixes update for Linux 6.10-rc7 consists of one single
patch to fix the non-contiguous CBM resctrl:
- AMD supports non-contiguous CBM but does not report it via CPUID. This
test should not use CPUID on AMD to detect non-contiguous CBM support.
Fix the problem so the test uses CPUID to discover non-contiguous CBM
support only on Intel.
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Merge tag 'linux_kselftest-fixes-6.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
"One single patch to fix the non-contiguous CBM resctrl:
- AMD supports non-contiguous CBM but does not report it via CPUID.
This test should not use CPUID on AMD to detect non-contiguous CBM
support. Fix the problem so the test uses CPUID to discover
non-contiguous CBM support only on Intel"
* tag 'linux_kselftest-fixes-6.10-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests/resctrl: Fix non-contiguous CBM for AMD
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Merge tag 'vfs-6.10-rc7.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
"VFS:
- Improve handling of deep ancestor chains in is_subdir()
- Release locks cleanly when fctnl_setlk() races with close().
When setting a file lock fails the VFS tries to cleanup the already
created lock. The helper used for this calls back into the LSM
layer which may cause it to fail, leaving the stale lock accessible
via /proc/locks.
AFS:
- Fix a comma/semicolon typo"
* tag 'vfs-6.10-rc7.fixes.2' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs:
afs: Convert comma to semicolon
fs: better handle deep ancestor chains in is_subdir()
filelock: Remove locks reliably when fcntl/close race is detected
Merge series from Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>:
Code used to create standalone and widget controls is mostly same, with
with exception that in standalone case dynamic object needs to be
registered and control created directly.
Following patches clean up and unify kcontrol creation code in topology
code.
The node ID of the region can be gotten via resource start address
directly. This simplifies the implementation of cxl_region_nid().
Signed-off-by: Huang Ying <ying.huang@intel.com>
Suggested-by: Alison Schofield <alison.schofield@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240618084639.1419629-4-ying.huang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
An abstract distance value must be assigned by the driver that makes
the memory available to the system. It reflects relative performance
and is used to place memory nodes backed by CXL regions in the appropriate
memory tiers allowing promotion/demotion within the existing memory tiering
mechanism.
The abstract distance is calculated based on the memory access latency
and bandwidth of CXL regions.
Signed-off-by: Huang, Ying <ying.huang@intel.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Cc: Alison Schofield <alison.schofield@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240618084639.1419629-3-ying.huang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
In the memory hotplug notifier function of the CXL region,
cxl_region_perf_attrs_callback(), the node ID is obtained by checking
the host address range of the region. However, the address range
information is not available when the region is registered in
devm_cxl_add_region(). Additionally, this information may be removed
or added under the protection of cxl_region_rwsem during runtime. If
the memory notifier is called for nodes other than that backed by the
region, a race condition may occur, potentially leading to a NULL
dereference or an invalid address range.
The race condition is addressed by checking the availability of the
address range information under the protection of cxl_region_rwsem. To
enhance code readability and use guard(), the relevant code has been
moved into a newly added function: cxl_region_nid().
Fixes: 067353a46d ("cxl/region: Add memory hotplug notifier for cxl region")
Signed-off-by: Huang, Ying <ying.huang@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Alison Schofield <alison.schofield@intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Bharata B Rao <bharata@amd.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240618084639.1419629-2-ying.huang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/core/cxl_core.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/cxl_pci.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/cxl_mem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/cxl_acpi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/cxl_pmem.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/cxl/cxl_port.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://patch.msgid.link/20240607-md-drivers-cxl-v2-1-0c61d95ee7a7@quicinc.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
cxl_event_common was an unfortunate naming choice and caused confusion with
the existing Common Event Record. Furthermore, its fields didn't map all
the common information between DRAM and General Media Events.
Remove cxl_event_common and introduce cxl_event_media_hdr to record common
information between DRAM and General Media events.
cxl_event_media_hdr, which is embedded in both cxl_event_gen_media and
cxl_event_dram, leverages the commonalities between the two events to
simplify their respective handling.
Suggested-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Fabio M. De Francesco <fabio.m.de.francesco@linux.intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Link: https://lore.kernel.org/r/20240607144423.48681-1-fabio.m.de.francesco@linux.intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
1. exynos-clkout: Remove usage of of_device_id table as .of_match_table,
because the driver is instantiated as MFD cell, not as standalone
platform driver. Populated .of_match_table confused people few times
to convert the code to device_get_match_data(), which broke the
driver.
2. Mark one of UFS clocks as critical, because having it off stops the
system from shutdown.
3. Cleanup: Use kmemdup_array() when applicable.
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Merge tag 'samsung-clk-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into clk-samsung
Pull Samsung SoC clk drivers updates from Krzysztof Kozlowski:
- exynos-clkout: Remove usage of of_device_id table as .of_match_table,
because the driver is instantiated as MFD cell, not as standalone
platform driver. Populated .of_match_table confused people few times
to convert the code to device_get_match_data(), which broke the
driver.
- Mark one of UFS clocks as critical, because having it off stops the
system from shutdown
- Use kmemdup_array() when applicable
* tag 'samsung-clk-6.11' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
clk: samsung: gs101: mark gout_hsi2_ufs_embd_i_clk_unipro as critical
clk: samsung: Switch to use kmemdup_array()
clk: samsung: exynos-clkout: Remove misleading of_match_table/MODULE_DEVICE_TABLE
Add support for MPS Hot-Swap controller mp5920. This driver exposes
telemetry and limit value readings and writings.
Signed-off-by: Alex Vdovydchenko <xzeol@yahoo.com>
Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20240702115252.981416-3-xzeol@yahoo.com
[groeck: Use min_t() to limit length of displayed model string]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Codespell reported misspelled fields,suppress,separately and offset in
file sh_css_sp.c. This patch fixes the misspellings.
Signed-off-by: Roshan Khatri <topofeverest8848@gmail.com>
Link: https://lore.kernel.org/r/20240507052512.7296-1-topofeverest8848@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
codespell reported misspelled suppress and implicit on ia_css_debug.c.
This patch fixes the misspellings.
Signed-off-by: Roshan Khatri <topofeverest8848@gmail.com>
Link: https://lore.kernel.org/r/20240506055818.2532-1-topofeverest8848@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
codespell reported misspelled unchanged in hmm_bo.c at two places.
This patch fixes the misspellings.
Signed-off-by: Roshan Khatri <topofeverest8848@gmail.com>
Link: https://lore.kernel.org/r/20240505132345.135528-1-topofeverest8848@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
codespell reported misspelled calculating in
ia_css_eed1_8.host.c. This patch fixes the misspellings.
Signed-off-by: Roshan Khatri <topofeverest8848@gmail.com>
Link: https://lore.kernel.org/r/20240505032931.133879-1-topofeverest8848@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
codespell reported misspelled words still and member.
This patch fixes misspellings.
Signed-off-by: Roshan Khatri <topofeverest8848@gmail.com>
Link: https://lore.kernel.org/r/20240501162620.86865-1-topofeverest8848@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
There is a spelling mistake in a dev_err() message. Fix it.
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20240429075146.1073869-1-colin.i.king@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Remove unused GPIO related defines and APIs.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240424210800.1776038-1-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Replace COMPILATION_ERROR_IF() by static_assert().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240424184421.1737776-3-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Clean up unused macros from math_support.h and replace rarely
used by generic ones from Linux kernel headers.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20240424184421.1737776-2-andriy.shevchenko@linux.intel.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The OV5693 the Xiaomi Mipad2 is used as a front facing sensor and
as such is connected to CsiPort 0, but the _DSM has CsiPort 1, add
a DMI quirk to override the wrong _DSM setting.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240603132057.255917-5-hdegoede@redhat.com
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Update the TODO list:
- Remove comment about adding firmware to linux-firmware this has been done
- Add a comment about removing unnecessary / unwanted module parameters
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240603132057.255917-4-hdegoede@redhat.com
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The atomisp firmwares have been added to upstream linux-firmware
under intel/ipu/ add this prefix to the firmware name passed
to request_firmware().
Fall back to the old location if this fails to avoid breaking existing
setups.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240603132057.255917-3-hdegoede@redhat.com
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
There is no need for the user to be able to specify a different
name for the firmware being loaded. Most other kernel drivers do not
have this and work fine without it.
Drop this unnecessary module parameter.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240603132057.255917-2-hdegoede@redhat.com
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
The mipicsi_flag int is completely unused, remove it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20240603132057.255917-1-hdegoede@redhat.com
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Jan reported that 'cd ..' may take a long time in deep directory
hierarchies under a bind-mount. If concurrent renames happen it is
possible to livelock in is_subdir() because it will keep retrying.
Change is_subdir() from simply retrying over and over to retry once and
then acquire the rename lock to handle deep ancestor chains better. The
list of alternatives to this approach were less then pleasant. Change
the scope of rcu lock to cover the whole walk while at it.
A big thanks to Jan and Linus. Both Jan and Linus had proposed
effectively the same thing just that one version ended up being slightly
more elegant.
Reported-by: Jan Kara <jack@suse.cz>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Correct the Stromer Plus PLL set_rate to explicitly set ALPHA_EN bit and
remove unnecessary upper parts of CONFIG_CTL values.
Mark the recently added IPQ9574 GCC crypto clocks BRANCH_HALT_VOTED, to
address stuck clock warnings.
Lastly fix the GPLL6 and GPLL7 parents on SM6350 to avoid issues with
these reportedly running at ~25GHz.
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Merge tag 'qcom-clk-fixes-for-6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into clk-fixes
Pull Qualcomm clk driver fixes from Bjorn Andersson:
- Correct the Stromer Plus PLL set_rate to explicitly set ALPHA_EN bit and
remove unnecessary upper parts of CONFIG_CTL values.
- Mark the recently added IPQ9574 GCC crypto clocks BRANCH_HALT_VOTED, to
address stuck clock warnings.
- Fix the GPLL6 and GPLL7 parents on SM6350 to avoid issues with these
reportedly running at ~25GHz.
* tag 'qcom-clk-fixes-for-6.10' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
clk: qcom: gcc-ipq9574: Add BRANCH_HALT_VOTED flag
clk: qcom: apss-ipq-pll: remove 'config_ctl_hi_val' from Stromer pll configs
clk: qcom: clk-alpha-pll: set ALPHA_EN bit for Stromer Plus PLLs
clk: qcom: gcc-sm6350: Fix gpll6* & gpll7 parents
- Fix possible global buffer memory leak when unloading EROFS module;
- Fix FS_IOC_GETFSUUID ioctl by using super_set_uuid();
- Reset m_llen to 0 so then it can retry if metadata is invalid.
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Merge tag 'erofs-for-6.10-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs
Pull erofs fixes from Gao Xiang:
"The most important one fixes possible infinite loops reported by a
smartphone vendor OPPO recently due to some unexpected zero-sized
compressed pcluster out of interrupted I/Os, storage failures, etc.
Another patch fixes global buffer memory leak on unloading, and the
remaining one switches to use super_set_uuid() to keep with the other
filesystems.
Summary:
- Fix possible global buffer memory leak when unloading EROFS module
- Fix FS_IOC_GETFSUUID ioctl by using super_set_uuid()
- Reset m_llen to 0 so then it can retry if metadata is invalid"
* tag 'erofs-for-6.10-rc7-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs:
erofs: ensure m_llen is reset to 0 if metadata is invalid
erofs: convert to use super_set_uuid to support for FS_IOC_GETFSUUID
erofs: fix possible memory leak in z_erofs_gbuf_exit()
Move the code that sets up the hash transformation into its own
function. No change in behavior.
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
dm_parse_device_entry() simply copies the minor number into dmi.dev, but
the dev_t format splits the minor number between the lowest 8 bytes and
highest 12 bytes. If the minor number is larger than 255, part of it
will end up getting treated as the major number
Fix this by checking that the minor number is valid and then encoding it
as a dev_t.
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
'thunk' has been unused since commit f177940a80 ("dm cache metadata:
switch to using the new cursor api for loading metadata").
Remove it.
Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Reviewed-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Merge fixes and updates in v6.10 into perf-tools-next to resolve changes
in synthesizing the LOST_SAMPLES records and build fixes.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Add a description of the scaling_available_frequencies attribute in
sysfs to the documentation.
Signed-off-by: Raphael Gallais-Pou <rgallaispou@gmail.com>
Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://patch.msgid.link/20240701171040.369030-1-rgallaispou@gmail.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
When fcntl_setlk() races with close(), it removes the created lock with
do_lock_file_wait().
However, LSMs can allow the first do_lock_file_wait() that created the lock
while denying the second do_lock_file_wait() that tries to remove the lock.
In theory (but AFAIK not in practice), posix_lock_file() could also fail to
remove a lock due to GFP_KERNEL allocation failure (when splitting a range
in the middle).
After the bug has been triggered, use-after-free reads will occur in
lock_get_status() when userspace reads /proc/locks. This can likely be used
to read arbitrary kernel memory, but can't corrupt kernel memory.
This only affects systems with SELinux / Smack / AppArmor / BPF-LSM in
enforcing mode and only works from some security contexts.
Fix it by calling locks_remove_posix() instead, which is designed to
reliably get rid of POSIX locks associated with the given file and
files_struct and is also used by filp_flush().
Fixes: c293621bbf ("[PATCH] stale POSIX lock handling")
Cc: stable@kernel.org
Link: https://bugs.chromium.org/p/project-zero/issues/detail?id=2563
Signed-off-by: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/r/20240702-fs-lock-recover-2-v1-1-edd456f63789@google.com
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Move the definition down and make it a boolean that is initialized
to false.
Fixes: 13d12e3ad1 ("iio: adc: ad7173: Add support for AD411x devices")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Closes: https://lore.kernel.org/r/202406232046.DKfBJq6o-lkp@intel.com/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Like various other Asus laptops, the Asus Vivobook Pro N6506MV has a
DSDT table that describes IRQ 1 as ActiveLow while the kernel is overriding
it to Edge_High. This prevents the internal keyboard from working. This patch
prevents this issue by adding this laptop to the override table that prevents
the kernel from overriding this IRQ
Link: https://bugzilla.kernel.org/show_bug.cgi?id=218954
Tested-by: Lefteris <eleftherios.giapitzakis@gmail.com>
Signed-off-by: Tamim Khan <tamim@fusetak.com>
Link: https://patch.msgid.link/20240702125918.34683-1-tamim@fusetak.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Move the code that adds the incore xfs_refcount_update_item deferred
work data to a transaction live with the CUI log item code. This means
that the refcount code no longer has to know about the inner workings of
the CUI log items.
As a consequence, we can get rid of the _{get,put}_group helpers.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Only update rcur when we know the final *pcur value.
Inspired-by: Christoph Hellwig <hch@lst.de>
[djwong: don't leave the caller with a dangling ref]
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
In xfs_refcount_finish_one we know the cursor is non-zero when calling
xfs_refcount_finish_one_cleanup and we pass a 0 error variable. This
means xfs_refcount_finish_one_cleanup is just doing a
xfs_btree_del_cursor.
Open code that and move xfs_refcount_finish_one_cleanup to
fs/xfs/xfs_refcount_item.c.
Inspired-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reuse xfs_refcount_update_cancel_item to put the AG/RTG and free the
item in a few places that currently open code the logic.
Inspired-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Add a helper to translate from the item list head to the
refcount_intent_item structure and use it so shorten assignments and
avoid the need for extra local variables.
Inspired-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
