fmask and dmask provide the default permissions for files without WSL
metadata. Once chmod stores a mode in $LXMOD, however, that per-file mode
must take precedence so selected files can retain permissions such as
execute across remounts.
Record whether $LXMOD was found while loading an inode and apply the mount
masks only when it is absent. Do not remask the in-memory mode after
setattr persists it. Continue loading $LXMOD even when optional $LXUID or
$LXGID metadata is missing, since chmod may create only $LXMOD.
Fixes: fc053f05ca ("ntfs: add reparse and ea operations")
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
The windows_names mount option is documented to reject names containing
characters forbidden by Windows. However, ntfs_check_bad_windows_name()
unconditionally rejects those characters before checking the mount option.
Move the character validation after the option check so a default NTFS
mount accepts POSIX names such as names containing ':'. Mounts using
windows_names retain the existing Windows-compatible validation, including
reserved device names and trailing spaces or dots.
Fixes: af0db57d42 ("ntfs: update inode operations")
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_ir_to_ib copies all entries from index_root into a freshly allocated
index_block_size-byte buffer without verifying that the entries fit in the
available space. The entries in index_root may be larger than the usable
entry space in the index block.
This can cause OOB writes past the end of the allocation.
The validator ntfs_index_root_inconsistent() checks that entries are
self-consistent within the IR value, but never cross-checks them against
index_block_size. There is no bounds check in ntfs_ir_to_ib() before the
memcpy.
Fixing this at the sink in ntfs_ir_to_ib() since
ntfs_index_root_inconsistent() validates the logical consistency of
index_root as a structure and a root with large entries is a structurally
valid root. The bug is a size conflict of ntfs_ir_to_ib().
Also, the validator is called once per inode load in
ntfs_read_locked_inode() while ntfs_ir_to_ib() is only called during a
reparent, a check there adds no overhead to the common path.
Moreover, even a future call path that bypasses the validator would still
be protected.
With NULL as first parameter of ntfs_error(), the volume error flag is
never set by this call, so the device name will be absent from the error
message. In any case, that the caller, ntfs_ir_reparent(), prints an error
message that includes the device name on NULL returns.
I think this is the best solution available without adding
'struct super_block *sb' as a parameter to ntfs_ir_to_ib().
This heap out-of-bounds write is triggered by a crafted filesystem image,
which is not in the kernel threat model, anyway, fixing memory errors would
be nice to keep things secure.
Fixes: 0a8ac0c1fa ("ntfs: update directory operations")
Signed-off-by: Alexandro Calo <alexandro.calo@nozominetworks.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_new_attr_flags() resizes the non-resident attribute record before
moving its name and mapping pairs to their shorter-header offsets when
compression or sparse state is cleared.
Shrinking the record first moves the following attribute over the tail of
the old record. The subsequent memmove() therefore copies bytes from that
following attribute instead of the old mapping pairs. Re-enabling
compression on an empty file persists those bytes as a malformed mapping
pairs array, which ntfsck reports as a missing or invalid run length.
Move the payload before shrinking the record, while retaining the existing
resize-before-move ordering when growing it.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
When setting sparse/compressed flags on a resident attribute, the
function skipped the resident-to-non-resident conversion and
terminated.
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_compress_write() reads every page in a compression unit before copying
new data into it. The read is unnecessary when an aligned write replaces
every byte covered by the page-cache folios.
Detect full page-aligned compression unit overwrites and grab locked cache
folios without reading them. Keep the read-modify-write path for partial
units and units that cover only part of a large page.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_write_cb() allocates a single-vector bio and synchronously submits it
whenever another output page cannot be added. A 64 KiB uncompressed unit
therefore requires up to sixteen separate bio submissions.
Allocate enough vectors for the complete unit, add all output pages, and
perform one synchronous submission.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_write_cb() allocates output pages and creates input and output
vmaps for every compression unit. Sequential writes repeatedly pay
those allocation and page-table costs even though each unit has the
same maximum output size.
Allocate and map the output workspace once per write request. Access
input sub-blocks with kmap_local_page(), and reuse the output pages and
mapping for every compression unit in the request.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_compress_block() allocates and initializes a roughly 40 KiB match
finder context for every 4 KiB sub-block. A 64 KiB compression unit thus
performs sixteen large allocations even though the calls are serialized.
Allocate one context for the complete write request and reset its hash
chains for each sub-block as before.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
The write iterator now expands attributes before calling
ntfs_compress_write(), so compressed writes must not expand the
attribute themselves. However, the compressed path still needs to reject
zero-byte iterator copies, advance initialized_size after successful I/O,
and invalidate modified folios after a failed compression-unit write.
Reject no-progress copies, persist the new initialized size on success,
and clear folio uptodate state when the synchronous write fails.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_write_cb() punches the old compression unit and publishes the new
mapping before submitting the replacement data. An allocation or I/O
failure after the punch loses the previous contents and can leave the
mapping pointing at unwritten clusters.
Allocate and write the replacement clusters first. Replace the runlist only
after the synchronous write succeeds, and free new clusters on failure.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
When a rewritten compression block consists entirely of zeroes,
ntfs_write_cb() returns without replacing its existing runlist mapping.
The old on-disk contents therefore remain visible after cache eviction.
Punch the compression unit so that reads resolve it as a sparse block and
release any clusters that held the previous contents.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_compress_write() derives its page count by shifting the compression
block size and assumes that every compression block begins at a page
boundary. This produces a zero page count for small compression blocks on
large-page systems and ignores an in-page compression block offset.
Map every page covering the compression block, pass the in-page offset to
ntfs_write_cb(), and stage uncompressed output in page-aligned pages.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
ntfs_compress_block() returns -ENOMEM when its compression context cannot
be allocated, but its unsigned return type turns the error into a large
positive value. ntfs_write_cb() then hides the allocation failure.
Use a signed return type and propagate negative errors to the caller.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Use kmemdup() instead of a separate kmalloc() and memcpy()
pair, simplifying the code while preserving the existing
behavior.
This issue was reported by memdup.cocci.
Signed-off-by: Mohammad Shahid <mdshahid03@gmail.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Use kmemdup() instead of a separate kmalloc() and memcpy()
pair, simplifying the code while preserving the existing
behavior.
This issue was reported by memdup.cocci.
Signed-off-by: Mohammad Shahid <mdshahid03@gmail.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
kvfree() safely handles NULL pointers, so the explicit NULL checks
before calling kvfree() are unnecessary.
This issue was reported by ifnullfree.cocci.
Signed-off-by: Mohammad Shahid <mdshahid03@gmail.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Add the newly created official mailing list for the ntfs.
This mailing list will be shared and used for both the kernel driver
and the ntfsprogs-plus utility project.
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
When extending file size, call truncate_pagecache() first, then update
i_size, and use pagecache_isize_extended() instead of manual
iomap_zero_range(). This ensures the straddling folio is properly marked
RO so page_mkwrite() is called and post-EOF area is zeroed.
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Prepare non-resident file allocation and initialized-size extension in
->write_iter() before entering the buffered or direct iomap write paths.
Previously, the iomap write callback extended initialized_size. When a
direct write started beyond initialized_size,
ntfs_extend_initialized_size() used iomap_zero_range() to zero the gap
through the page cache. This created dirty folios after iomap DIO had
invalidated its target cache range. The bsync path then had to
synchronously write back the entire zeroed gap to prevent the post-DIO
invalidation from encountering a dirty boundary folio.
Move allocation and initialized-size preparation ahead of iomap submission.
For DIO, kiocb_invalidate_pages() now sees any dirty boundary folio created
by iomap_zero_range(), writes it back when necessary, and invalidates it
before the direct I/O is issued. This removes the explicit synchronous
writeback of the zeroed gap while preserving the required boundary-folio
ordering.
Keep compressed writes out of the early initialized-size extension so their
existing write path can zero uninitialized data before compression. Move
compressed-file allocation expansion to write_iter as well, eliminating the
now-redundant expansion from ntfs_compress_write().
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Several compressed I/O paths discard the address returned by
kmap_local_page() and later access or unmap the page using page_address().
This is invalid for highmem pages, and local mappings must also be unmapped
using the address returned by kmap_local_page().
Map each destination page in ntfs_decompress() only while producing the
current sub-block. Use memcpy_from_page(), memcpy_to_page(), and
memzero_page() for the other page accesses. Remove unnecessary local
mappings from ntfs_write_cb(), where pages are accessed through the vmap()
mapping.
Fixes: 495e90fa33 ("ntfs: update attrib operations")
Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Pages don't have indexes, folios have indexes. Correct this in
ntfs_read_compressed_block() and also remove a use of page->mapping
while I'm in here. Also convert the calls to unlock_page() and
flush_dcache_page().
Fixes: 495e90fa33 ("ntfs: update attrib operations")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Hyunchul Lee <hyc.lee@gmail.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
This fixes handle_bounds_compressed_page() on highmem memory
as page_address() does not work on memory which has been kmap_local(),
only on kmap() memory.
Fixes: 495e90fa33 ("ntfs: update attrib operations")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Nobody is supposed to use page->__folio_index. Use page_offset()
instead, and simplify by working exclusively in loff_t instead of mixing
up loff_t and pgoff_t.
Link: https://lore.kernel.org/all/20260608210618.3437216-3-willy@infradead.org/
Fixes: 495e90fa33 ("ntfs: update attrib operations")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Co-developed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
zero_partial_compressed_page() has one caller and the next commit
will make changes to it that make it inelegant to split across two
functions.
Fixes: 495e90fa33 ("ntfs: update attrib operations")
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Here the attribute validator computes a single min_len = 64 (as the end of
initialized_size) for all non-resident attributes regardless of the flags
field. This is correct for regular non-resident attributes but for sparse
or compressed non-resident attributes the fixed header is 8 bytes longer,
it includes a compressed_size field at bytes 64-71, min_len should be 72.
Since the validator lets a sparse/compressed attr_record be less than the
correct length, caller's accesses to compressed_size
(e.g., ntfs_read_locked_inode() or ntfs_attr_update_mapping_pairs()) can
extend past the attribute declared boundary.
This can cause OOB reads or OOB writes past the MFT record buffer if the
attribute is positioned near the end of the MFT record.
The compressed_size field is accessed from:
- ntfs_read_locked_inode()
- ntfs_read_locked_attr_inode()
- ntfs_attr_open()
- ntfs_attr_update_mapping_pairs()
ntfs_attr_make_non_resident() seems to be safe.
Fixing this by raising min_len for sparse/compressed attributes in the
validator.
The OOB reads and the OOB writes require a crafted filesystem image, which
is not in the kernel threat model, anyway, fixing memory errors would be
nice to keep things secure.
Signed-off-by: Alexandro Calo <alexandro.calo@nozominetworks.com>
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Updating an EA removes the old record and appends its replacement.
Build the complete $EA stream in memory and rewrite it from offset zero,
rather than committing a compacted stream followed by a separate append.
generic/642 shows that the append path can leave an invalid record layout
on disk, including when a new EA entry is added.
When removing an EA, write the compacted stream before updating
$EA_INFORMATION and restore the original pair if the metadata update
fails.
When the final EA entry is removed the $EA/$EA_INFORMATION pair is torn
down. If removing $EA_INFORMATION fails after $EA has already been
removed, the original $EA is restored so the two attributes stay
consistent.
Fixes: fc053f05ca ("ntfs: add reparse and ea operations")
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Removing the final xattr leaves an empty $EA stream. An empty $EA
attribute paired with $EA_INFORMATION is not a valid EA chain and
ntfsck reports it as corrupt.
Remove both attributes when the final EA entry is deleted.
Fixes: fc053f05ca ("ntfs: add reparse and ea operations")
Reviewed-by: Hyunchul Lee <hyc.lee@gmail.com>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
A replacement first removes the existing EA record, then adds the
replacement. Check the size of that final $EA stream before mutating
the current stream.
This avoids committing the shortened $EA stream or $EA_INFORMATION before
discovering that the replacement exceeds the AttrDef size limit.
Fixes: fc053f05ca ("ntfs: add reparse and ea operations")
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
This includes following USB4/Thunderbolt changes for the v7.3 merge
window:
- Assert Downstream Port Reset for Thunderbolt 3 devices during
shutdown to avoid unnecessary delays over warm reset.
- Tidy up Thunderbolt service ->probe callbacks.
- USB4STREAM improvements.
- AMD host interface quirk to fix Tx ring hang on teardown of a DMA tunnel.
- Minor fixes and cleanups.
All these have been in linux-next with no reported issues.
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Merge tag 'thunderbolt-for-v7.3-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
Mika writes:
thunderbolt: Changes for v7.3 merge window
This includes following USB4/Thunderbolt changes for the v7.3 merge
window:
- Assert Downstream Port Reset for Thunderbolt 3 devices during
shutdown to avoid unnecessary delays over warm reset.
- Tidy up Thunderbolt service ->probe callbacks.
- USB4STREAM improvements.
- AMD host interface quirk to fix Tx ring hang on teardown of a DMA tunnel.
- Minor fixes and cleanups.
All these have been in linux-next with no reported issues.
* tag 'thunderbolt-for-v7.3-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt:
thunderbolt: Clamp DMA tunnel credits to what a hop register can hold
thunderbolt: Use min() for the DMA path credit cap
thunderbolt: debugfs: Replace get_zeroed_page() with kzalloc()
thunderbolt: Add quirk to reset host interface on DMA path teardown for AMD USB4 routers
thunderbolt: stream: Add support for busy polling
thunderbolt: Make interrupt optional for rings
thunderbolt: stream: Support IOCB_NOWAIT in non-blocking I/O as well
thunderbolt: stream: Fix possible short reads/writes
thunderbolt: stream: Restore consumer if copying from iter fails
thunderbolt: Remove redundant dev_err_probe()
docs: admin-guide: thunderbolt: Fix sentence structure
thunderbolt: xdomain: Notify peers after enumeration
thunderbolt: Drop comma after device id array terminator
thunderbolt: Assert that a service driver has a probe callback
thunderbolt: Stop passing matched device ID to .probe()
thunderbolt: Assert downstream port reset on shutdown
This is relatively smaller update for CoreSight/hwtracing subsystem updates.
- MAINTAINERS update for HiSilicon PCI Trace & Tune drivers
- Minor fixes to hisi_ptt driver
- Various fixes to the coresight etm4x dirvers
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
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Merge tag 'coresight-next-v7.3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next
Suzuki writes:
coresight: Updates for Linux v7.3
This is relatively smaller update for CoreSight/hwtracing subsystem updates.
- MAINTAINERS update for HiSilicon PCI Trace & Tune drivers
- Minor fixes to hisi_ptt driver
- Various fixes to the coresight etm4x dirvers
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
* tag 'coresight-next-v7.3' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/coresight/linux:
coresight: etm4x: remove redundant fields in etmv4_save_state
coresight: etm4x: missing cscfg_csdev_disable_active_config() in perf enable
coresight: etm4x: fix leaked trace id
coresight: etm4x: fix underflow for usage of (nrseqstate - 1)
coresight: etm4x: fix wrong check of etm4x_sspcicrn_present()
hwtracing: hisi_ptt: Remove unnecessary trace buffer zeroing in trace_start()
hwtracing: hisi_ptt: Propagate DMA reset timeout in trace_start()
MAINTAINERS: Update HiSilicon PCI Trace and Tune maintainer
coresight: etm3x: Fix cntr_val_show() to match cntr_val_store() behavior
the 7.3-rc1 merge window:
- New driver for Maili SoC
- Add support for QoS on the SC8280XP SoC
- Add support for QoS on the x1e80100 SoC
- Add EPSS L3 scaling support for Shikra SoC
- Add COMPILE_TEST support for some platforms
- Misc tiny improvements and fixes
Signed-off-by: Georgi Djakov <djakov@kernel.org>
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Merge tag 'icc-7.3-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-next
Georgi writes:
This pull request contains the following interconnect updates for
the 7.3-rc1 merge window:
- New driver for Maili SoC
- Add support for QoS on the SC8280XP SoC
- Add support for QoS on the x1e80100 SoC
- Add EPSS L3 scaling support for Shikra SoC
- Add COMPILE_TEST support for some platforms
- Misc tiny improvements and fixes
Signed-off-by: Georgi Djakov <djakov@kernel.org>
* tag 'icc-7.3-rc1' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/djakov/icc:
interconnect: Fix use after free in icc_get() and of_icc_get_by_index()
interconnect: debugfs-client: add NULL check for platform_device_alloc
interconnect: qcom: simplify allocation
interconnect: qcom: add COMPILE_TEST
interconnect: qcom: add Maili interconnect provider driver
dt-bindings: interconnect: qcom: document the RPMh Network-On-Chip interconnect in Maili SoC
interconnect: qcom: Add EPSS L3 scaling support for Shikra SoC
dt-bindings: interconnect: qcom,osm-l3: Add EPSS L3 DT binding for Qualcomm Shikra SoC
interconnect: qcom: x1e80100: enable QoS configuration
dt-bindings: interconnect: qcom,x1e80100-rpmh: add clocks property to enable QoS
interconnect: qcom: sc8280xp: Enable QoS configuration
dt-bindings: interconnect: qcom,sc8280xp-rpmh: Add reg and clocks for QoS
Includes a merge of 7.2-rc2 to pick up the changes around
mod_devicetable.h and reduce resulting conflicts around includes.
New device support
------------------
adi,ad3530R
- Add support for the AD3532R and AD3532 16 channel DACs.
adi,ad4080
- Add support for the AD4883 ADC.
adi,ad5686
- Add support for AD5313R, AD5317R, AD5674, AD5687R, AD5689, AD5689R DACs
over SPI
- Add support for AD5316R, AD5674, AD5697R and AD5696 DACs over I2C
- Significant driver refactoring prior to these additions, partly to reduce
bus traffic and to add triggered buffer and gain control support. An
earlier set added support for missing supplies, reset and LDAC GPIO.
adi,adf41513
- New driver to support this PLL frequency synthesizer that runs up to
26.5 GHz.
- Included infrastructure to handle higher precision attributes with
extensive tests
adi,ltc2378-20
- New driver supporting LTC2338, LTC2364, LTC2367, LTC2368, LT2369, LTC2370
LTC2376, LTC2377, LTC2378, LTC2379 and LTC23980 ADCs with both high speed
capture via appropriate backend and conventional triggered buffer SPI
capture.
invensense,icm42607
- New driver for this IMU.
mediateck,mt6323
- New driver for this PMIC ADC.
microchip,mcp47a1
- New driver for this I2C 6 bit DAC.
nxp,mcf54415-dac
- New driver for this DAC found in NXP SoCs.
qst,qmc5884l
- New driver for this 3 axis magnetometer. Included dt vendor entry for qst.
qst,qmc6308
- New driver for this 3 axis magnetometer.
sensiron,slf3s
- New driver for this liquid flow sensor. Includes adding IIO_VOLUMEFLOW
channel type.
st,vl53l1x
- Refactors to improve readability.
ti,ads112c14
- New driver supporting the ADS112C14 and ADS122C14 ADCs. These bring
some new ABI for input chopping, particular useful for resistive sensors
like thermocouples or Wheatstone bridges.
- Support CRC8 detection of corruption on the bus.
- Support buffered reads.
ti,tmp117
- (trivial) Add support for the tmp119 temperature sensor.
xilinx,versal-sysmon
- New ADC driver for this block found on various FPGAs including various
bus interfaces, threshold and oversampling support.
dt binding updates
------------------
new shared bindings
- excitation-channels and excitation-current-nanoamp allow per channel
specification of currents used for resistive sensor measurement.
- reference-sources property to allow selection of a per channel reference.
rockchip,saradc
- Add RV1106 which is compatible with the RV3588.
Features
--------
buffer-dmaengine
- Allow cyclic buffers, useful for repeating sequence generation with DACs.
devantech,dmard09
- Implement read back of channel scale - previously interface always
returned an error.
hid,sensors-als
- Enable separate channel scaling for hardware that supports it.
invensense,timestamp library
- Various precision improvements.
invensense,icm42600
- Add support for hwfifo watermark interfaces.
taos,tcs3472
- Support wait time and sampling frequency control.
Cleanups, minor fixes
---------------------
Minor cleanups not mentioned at all in this summary such
as white space fixes or typos.
Affecting various drivers
- Cleanup of conditionals that had no affect.
- Drop some runtime pm local wrappers as now runtime_pm does the
mark_last_busy part inside the put, these provide no useful code
deduplication or readability advantages over directly calling the
runtime_pm functions.
- Return 0 from write_raw() on success.
- Use of dev_err_probe() to simplify code and sometimes provide useful
info for deferred probe debugging.
- Drop some redundant error prints where the called function already
provides information on errors.
- Make some read only arrays in functions static.
- Fix up missing handling of regcache_sync() errors.
- Drop some false kernel-doc markings.
- Add missing MODULE_DEVICE_TABLE for some of_match_id tables.
- Use local variables for things like the struct device to shorten and
improve readability of code.
- Drop some unused structure elements.
- Reorder dds.h macro parameters to be inline with others.
- Header reorders and IWYU. Often part of a more significant series.
- Remove abstractions designed to allow a driver to support multiple device
types, when they have been around a long time and only the original part
showed up.
- Initialize spi_device_id arrays using member names following dropping of
driver data from drivers that didn't actually use it.
- Catch up with i2c_device_id tables added since previous effort to use
named initializers for all those.
- Use kernel types in a few places instead of standard C ones or bare
unsigned.
Misc
- Update Xilinx AMS maintainer.
- Update email address for Maxwell Doose.
- Update email address for Siratul Islam.
- Update email address for Tomasz Duszynski and re-add Tomasz to
various maintainer entries.
Docs
- Encourage use of differential channel naming even when there is no
flexibility in input to differential pair mapping. Intended to
provide a strong signal to userspace that a channel is differential.
adi,ad_sigma_delta
- Allow COMPILE_TEST without any users.
adi,ad2s1201
- Refactor trigger handler to avoid mix of guard() and goto.
adi,ad5686
- Avoid potential NULL dereference is user forces a driver bind.
adi,ad5696
- Add a couple of missing entries to the of_match_id table and update
binding to match.
atmel,ad91_adc
- Use const char * for DT string property allowing a cast to be dropped.
avia,hx711
- Various refactors and cleanup to enable support of additional parts
(to come)
- Add missing supply and gpio dt-bindings.
bosch,bmc150
- Harden against device reporting too large a FIFO sample count.
- Use FIELD_PREP() / FIELD_GET() to improve readability.
freescale,fxls8962af
- Harden against device reporting too large a FIFO sample count.
hid-sensors-*
- Reorder probe to not expose userspace interfaces until the rest of
the setup is done to avoid potentially dropping data.
honeywell,abp2030pa
- Drop an unreachable return.
invensens,icm45600
- Harden against bad value of FIFO sample count from device.
- Use i2c_match_data if firmware table sourced match data isn't available.
nxp,mpl1115
- Ensure runtime_pm is balanced on error in probe.
rohm,bm1390
- Make the driver slightly more likely to recover from transient errors.
sensiron,sgp30
- Handle thread creation errors.
st,lsm6dsx
- Update the enable mask when doing sensor fusion to avoid incorrect fifo
data handling.
st,stm32-dfsdm
- Treat dt flags as booleans.
ti,ads1015
- Switch to devm helpers which simplified code and closed a resource leak.
ti,opt3001
- Split complicated opt3001_get_processed() logic into irq an no irq
helper functions.
- Use devm to simplify code.
- Use guard() to simplify code.
- Reorder probe so final call exposes userspace interfaces.
- Various other more minor cleanup
taos,tsl2772
- Fix calibscale readback to check right channel type.
taos,tsl2583
- Use sysfs_emit() and sysfs_emit_at() to replace open coded equivalents.
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Merge tag 'iio-for-7.3a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO new device support, features, cleanup for 7.3
Includes a merge of 7.2-rc2 to pick up the changes around
mod_devicetable.h and reduce resulting conflicts around includes.
New device support
------------------
adi,ad3530R
- Add support for the AD3532R and AD3532 16 channel DACs.
adi,ad4080
- Add support for the AD4883 ADC.
adi,ad5686
- Add support for AD5313R, AD5317R, AD5674, AD5687R, AD5689, AD5689R DACs
over SPI
- Add support for AD5316R, AD5674, AD5697R and AD5696 DACs over I2C
- Significant driver refactoring prior to these additions, partly to reduce
bus traffic and to add triggered buffer and gain control support. An
earlier set added support for missing supplies, reset and LDAC GPIO.
adi,adf41513
- New driver to support this PLL frequency synthesizer that runs up to
26.5 GHz.
- Included infrastructure to handle higher precision attributes with
extensive tests
adi,ltc2378-20
- New driver supporting LTC2338, LTC2364, LTC2367, LTC2368, LT2369, LTC2370
LTC2376, LTC2377, LTC2378, LTC2379 and LTC23980 ADCs with both high speed
capture via appropriate backend and conventional triggered buffer SPI
capture.
invensense,icm42607
- New driver for this IMU.
mediateck,mt6323
- New driver for this PMIC ADC.
microchip,mcp47a1
- New driver for this I2C 6 bit DAC.
nxp,mcf54415-dac
- New driver for this DAC found in NXP SoCs.
qst,qmc5884l
- New driver for this 3 axis magnetometer. Included dt vendor entry for qst.
qst,qmc6308
- New driver for this 3 axis magnetometer.
sensiron,slf3s
- New driver for this liquid flow sensor. Includes adding IIO_VOLUMEFLOW
channel type.
st,vl53l1x
- Refactors to improve readability.
ti,ads112c14
- New driver supporting the ADS112C14 and ADS122C14 ADCs. These bring
some new ABI for input chopping, particular useful for resistive sensors
like thermocouples or Wheatstone bridges.
- Support CRC8 detection of corruption on the bus.
- Support buffered reads.
ti,tmp117
- (trivial) Add support for the tmp119 temperature sensor.
xilinx,versal-sysmon
- New ADC driver for this block found on various FPGAs including various
bus interfaces, threshold and oversampling support.
dt binding updates
------------------
new shared bindings
- excitation-channels and excitation-current-nanoamp allow per channel
specification of currents used for resistive sensor measurement.
- reference-sources property to allow selection of a per channel reference.
rockchip,saradc
- Add RV1106 which is compatible with the RV3588.
Features
--------
buffer-dmaengine
- Allow cyclic buffers, useful for repeating sequence generation with DACs.
devantech,dmard09
- Implement read back of channel scale - previously interface always
returned an error.
hid,sensors-als
- Enable separate channel scaling for hardware that supports it.
invensense,timestamp library
- Various precision improvements.
invensense,icm42600
- Add support for hwfifo watermark interfaces.
taos,tcs3472
- Support wait time and sampling frequency control.
Cleanups, minor fixes
---------------------
Minor cleanups not mentioned at all in this summary such
as white space fixes or typos.
Affecting various drivers
- Cleanup of conditionals that had no affect.
- Drop some runtime pm local wrappers as now runtime_pm does the
mark_last_busy part inside the put, these provide no useful code
deduplication or readability advantages over directly calling the
runtime_pm functions.
- Return 0 from write_raw() on success.
- Use of dev_err_probe() to simplify code and sometimes provide useful
info for deferred probe debugging.
- Drop some redundant error prints where the called function already
provides information on errors.
- Make some read only arrays in functions static.
- Fix up missing handling of regcache_sync() errors.
- Drop some false kernel-doc markings.
- Add missing MODULE_DEVICE_TABLE for some of_match_id tables.
- Use local variables for things like the struct device to shorten and
improve readability of code.
- Drop some unused structure elements.
- Reorder dds.h macro parameters to be inline with others.
- Header reorders and IWYU. Often part of a more significant series.
- Remove abstractions designed to allow a driver to support multiple device
types, when they have been around a long time and only the original part
showed up.
- Initialize spi_device_id arrays using member names following dropping of
driver data from drivers that didn't actually use it.
- Catch up with i2c_device_id tables added since previous effort to use
named initializers for all those.
- Use kernel types in a few places instead of standard C ones or bare
unsigned.
Misc
- Update Xilinx AMS maintainer.
- Update email address for Maxwell Doose.
- Update email address for Siratul Islam.
- Update email address for Tomasz Duszynski and re-add Tomasz to
various maintainer entries.
Docs
- Encourage use of differential channel naming even when there is no
flexibility in input to differential pair mapping. Intended to
provide a strong signal to userspace that a channel is differential.
adi,ad_sigma_delta
- Allow COMPILE_TEST without any users.
adi,ad2s1201
- Refactor trigger handler to avoid mix of guard() and goto.
adi,ad5686
- Avoid potential NULL dereference is user forces a driver bind.
adi,ad5696
- Add a couple of missing entries to the of_match_id table and update
binding to match.
atmel,ad91_adc
- Use const char * for DT string property allowing a cast to be dropped.
avia,hx711
- Various refactors and cleanup to enable support of additional parts
(to come)
- Add missing supply and gpio dt-bindings.
bosch,bmc150
- Harden against device reporting too large a FIFO sample count.
- Use FIELD_PREP() / FIELD_GET() to improve readability.
freescale,fxls8962af
- Harden against device reporting too large a FIFO sample count.
hid-sensors-*
- Reorder probe to not expose userspace interfaces until the rest of
the setup is done to avoid potentially dropping data.
honeywell,abp2030pa
- Drop an unreachable return.
invensens,icm45600
- Harden against bad value of FIFO sample count from device.
- Use i2c_match_data if firmware table sourced match data isn't available.
nxp,mpl1115
- Ensure runtime_pm is balanced on error in probe.
rohm,bm1390
- Make the driver slightly more likely to recover from transient errors.
sensiron,sgp30
- Handle thread creation errors.
st,lsm6dsx
- Update the enable mask when doing sensor fusion to avoid incorrect fifo
data handling.
st,stm32-dfsdm
- Treat dt flags as booleans.
ti,ads1015
- Switch to devm helpers which simplified code and closed a resource leak.
ti,opt3001
- Split complicated opt3001_get_processed() logic into irq an no irq
helper functions.
- Use devm to simplify code.
- Use guard() to simplify code.
- Reorder probe so final call exposes userspace interfaces.
- Various other more minor cleanup
taos,tsl2772
- Fix calibscale readback to check right channel type.
taos,tsl2583
- Use sysfs_emit() and sysfs_emit_at() to replace open coded equivalents.
* tag 'iio-for-7.3a' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (232 commits)
iio: dac: mcp47a1: add support for new device
dt-bindings: iio: dac: add support for mcp47a1
iio: Update email for Maxwell Doose
iio: imu: st_lsm6dsx: Update enable mask when using sensor fusion
iio: light: cm32181: return zero after writing calibscale
iio: flow: add Sensirion SLF3S liquid flow sensor driver
iio: core: add IIO_VAL_DECIMAL64_FEMTO format type
dt-bindings: iio: flow: add Sensirion SLF3S liquid flow sensor
iio: types: add IIO_VOLUMEFLOW channel type
iio: ABI: Encourage differential voltage ABI usage
iio: adc: ltc2378: Add support for LTC2338-18
iio: adc: ltc2378: Enable triggered buffer data capture
iio: adc: ltc2378: Enable high-speed data capture
iio: adc: ltc2378: Add support for LTC2378-20 and similar ADCs
dt-bindings: iio: adc: Add ltc2378
iio: magnetometer: ak8974: remove conditional return with no effect
iio: light: tsl2583: remove conditional return with no effect
iio: adc: rcar-gyroadc: remove rcar_gyroadc_set_power() helper
iio: light: vcnl4000: remove vcnl4000_set_pm_runtime_state() helper
iio: light: vcnl4035: remove vcnl4035_set_pm_runtime_state() helper
...
Given timing these are probably now merge window material.
Usual mixed bunch of ancient issues and newer ones.
core,buffer
- Fix a potential UAF in release on anonymous buffers.
- Make sure DMA fence lock lifetime matches that of the DMA fence.
- Make IIO DMA fence release RCU safe.
various
- Kconfig missing REGMAP* related selects.
- Unbalance of runtime pm or regulators in error paths.
adi,ad3552r-hs
- Fixing wrong buffers size for string printing.
adi,ad4080
- Fix 16-bit part support by adding path to tell the backend what
the data size is - avoiding corrupted data capture.
adi,ad5446
- Wrong MODULE_DEVICE_TABLE() type due to case error.
atlas,sensor
- Drop use of irq_work() in favour of iio_trigger_poll_nested() avoiding
a possible UAF.
hid-temperature
- Potential release ordering issue due to mixed devm and not that
can lead to long timeouts.
infineon,dps310
- Fix NULL dereference on ACPI platforms.
invense,mpu3050
- Fix sign of raw angular velocity readings.
mitsubishi,m62332
- Fix a regulator reference counting issue when switching channels.
sharp,gp2ap002
- Unbalanced runtime PM on repeated event writes.
- Reenable irq if runtime suspend fails.
ti,ads7138
- Disable statistics gathering whilst reading conversions results
to avoid data corruption.
ti,opt4001
- Ensure integration times with integer part are rejected rather than
ignoring the integer part of the value.
- Fix use of wrong register.
- Pointer type mismatch to div_u64_rem()
- Fix reversed GENMASK() arguements.
ti,opt4060
- Ensure integration times with integer part are rejected rather than
ignoring the integer part of the value.
- Pointer type mismatch to div_u64_rem()
- Wrong register name in an error print.
ti,pac1921
- Fix wrong channel used in the trigger handler for some combinations
of enabled channels.
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Merge tag 'iio-fixes-for-7.2b-take2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next
Jonathan writes:
IIO: 2nd set of fixes for the 7.2 cycle.
Given timing these are probably now merge window material.
Usual mixed bunch of ancient issues and newer ones.
core,buffer
- Fix a potential UAF in release on anonymous buffers.
- Make sure DMA fence lock lifetime matches that of the DMA fence.
- Make IIO DMA fence release RCU safe.
various
- Kconfig missing REGMAP* related selects.
- Unbalance of runtime pm or regulators in error paths.
adi,ad3552r-hs
- Fixing wrong buffers size for string printing.
adi,ad4080
- Fix 16-bit part support by adding path to tell the backend what
the data size is - avoiding corrupted data capture.
adi,ad5446
- Wrong MODULE_DEVICE_TABLE() type due to case error.
atlas,sensor
- Drop use of irq_work() in favour of iio_trigger_poll_nested() avoiding
a possible UAF.
hid-temperature
- Potential release ordering issue due to mixed devm and not that
can lead to long timeouts.
infineon,dps310
- Fix NULL dereference on ACPI platforms.
invense,mpu3050
- Fix sign of raw angular velocity readings.
mitsubishi,m62332
- Fix a regulator reference counting issue when switching channels.
sharp,gp2ap002
- Unbalanced runtime PM on repeated event writes.
- Reenable irq if runtime suspend fails.
ti,ads7138
- Disable statistics gathering whilst reading conversions results
to avoid data corruption.
ti,opt4001
- Ensure integration times with integer part are rejected rather than
ignoring the integer part of the value.
- Fix use of wrong register.
- Pointer type mismatch to div_u64_rem()
- Fix reversed GENMASK() arguements.
ti,opt4060
- Ensure integration times with integer part are rejected rather than
ignoring the integer part of the value.
- Pointer type mismatch to div_u64_rem()
- Wrong register name in an error print.
ti,pac1921
- Fix wrong channel used in the trigger handler for some combinations
of enabled channels.
* tag 'iio-fixes-for-7.2b-take2' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (31 commits)
iio: chemical: atlas-sensor: use iio_trigger_poll_nested() to fix remove UAF
iio: adc: pac1921: fix wrong channel used in trigger handler read
iio: light: gp2ap002: re-enable irq if runtime suspend fails
iio: light: gp2ap002: Fix unbalanced runtime PM on repeated event writes
iio: light: apds9306: fix PM reference leak in apds9306_read_data()
iio: gyro: mpu3050: fix sign of raw angular velocity readings
iio: srf04: fix pm_runtime handling on probe error path
iio: adc: ad4080: configure backend data size
iio: adc: adi-axi-adc: add data size support for AD408X backend
iio: chemical: atlas-sensor: fix PM reference leak in buffer postenable
iio: dac: ad5446: fix OF module device table
iio: light: opt4001: Fix reversed GENMASK() arguments in fault count mask
iio: light: opt4001: Reject integration times with a non-zero seconds part
iio: light: opt4001: Fix incompatible pointer type passed to div_u64_rem()
iio: light: opt4001: Fix power down clearing bits of the wrong register
iio: light: opt4060: Fix incorrect register name in threshold read error message
iio: light: opt4060: Fix pointer type passed to div_u64_rem()
iio: light: opt4060: Reject integration times with a non-zero seconds part
iio: light: ltrf216a: fix runtime PM reference leak in error path
iio: pressure: dps310: fix NULL pointer dereference on ACPI probe
...
dw_i3c_master_daa() derives the number of newly assigned dynamic
addresses from cmd->rx_len, the ISR sets it to the number of address
slots ENTDAA left unassigned. It starts out as zero, which already
means "every address was assigned", so a timed out transfer leaves
that value in place and it gets used as a result.
If there's no client connected, the addr assign cmd times out, then
the driver calls i3c_master_add_i3c_dev_locked() to add devices that
are not there, each costing about 1s, thus adds non necessary boot
time up to (maxdev * 1)s.
Start from maxdevs instead: no address is assigned before ENTDAA runs,
and the existing rx_count >= maxdevs check then reports an empty bus.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260819044833.32611-1-jszhang@kernel.org
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
- initial support for 2026 Steam Controller (Vicki Pfau)
- support for sensor events on the 2025 Steam Controller (Vicki Pfau)
- assorted fixes, improvements and code refactoring (Vicki Pfau)
