Fix a checkpatch warning by splitting multiple assignments on a single
line into separate operations. This improves code readability and aligns
with kernel coding style guidelines.
Signed-off-by: Patryk Gawroński <gawronski1.6@gmail.com>
Link: https://patch.msgid.link/20260722122618.41747-1-gawronski1.6@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Address checkpatch.pl warnings fixing reports of type LINE_SPACING:
WARNING: Missing a blank line after declarations
CHECK: Please don't use multiple blank lines
CHECK: Please use a blank line after function/struct/union/enum
declarations
Signed-off-by: Santiago Ruano Rincón <santiagorr@riseup.net>
Reviewed-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260723153526.255965-1-santiagorr@riseup.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename Restore_DM_Func_Flag to snake_case
format to comply with the Linux kernel coding style.
Signed-off-by: Olivier Tanoh <olivier.tanoh19@gmail.com>
Link: https://patch.msgid.link/20260720124544.63457-4-olivier.tanoh19@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Rename Save_DM_Func_Flag and Restore_DM_Func_Flag to snake_case
format to comply with the Linux kernel coding style.
Signed-off-by: Olivier Tanoh <olivier.tanoh19@gmail.com>
Link: https://patch.msgid.link/20260720124544.63457-3-olivier.tanoh19@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove unnecessary whitespace to improve readability and coding style
consistency.
No functional changes are intended in this patch.
Signed-off-by: Dalvin-Ehinoma Noah Aiguobas <fliegbert2@gmail.com>
Link: https://patch.msgid.link/20260719115451.4401-2-fliegbert2@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix checkpatch.pl warnings by removing extra blank lines:
- after the license header, before the include guard
- inside the include guard, before the struct definition
- before the closing #endif
No functional change.
Signed-off-by: Som Tripathi <tripathisom142004@gmail.com>
Assisted-by: Claude:claude-sonnet-5
Link: https://patch.msgid.link/20260719075339.115500-1-somtri@iastate.edu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Collapse the static CamelCase helper function ReadChipVersion8723B()
directly into the main rtl8723b_read_chip_version() function.
This removes unnecessary code nesting and cleans up the CamelCase
naming violation in a single atomic change.
Signed-off-by: Arsenii Pashchenko <ulijg308@gmail.com>
Link: https://patch.msgid.link/20260718041431.9174-1-ulijg308@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These fields are never set. They are never read from, since
GetHalDefVar() function never receives the neccessary constants.
Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260717185407.56513-10-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The 'rf_chip' field is set to only one value (RF_6052), which makes any
conditions with this field predictable.
Remove it and the associated static functions (_ReadRFType() and
_InitRFType()), since they simply set a value in the field and will be
empty without it.
Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260717185407.56513-9-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the 'SdioTxFIFOFreePageLock' spinlock from the struct
hal_com_data, since the only operation performed on it is
initialization, while the locking and unlocking calls are commented out.
Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260717185407.56513-8-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The value 'true' is written to this field, but it is never used.
Remove it and the case branch, as the latter becomes meaningless. This
also requires removing calls to rtw_hal_set_hwreg() with the
'HW_VAR_DO_IQK' argument to prevent execution of the default branch
containing the netdev_dbg() call in SetHwReg().
Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260717185407.56513-5-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove the 'MCSTxPowerLevelOriginalOffset' array and the 'pwrGroupCnt'
field (which is used as an index for that array), as values are being
written to it but are no longer used.
Signed-off-by: Nikolay Kulikov <nikolayof23@gmail.com>
Link: https://patch.msgid.link/20260717185407.56513-3-nikolayof23@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
'linux/cdev.h' and 'linux/jiffies.h' are not used anywhere in this driver
it registers via miscdevices, not cdev, and there is no use of jiffies.
Signed-off-by: Shivank Sharma <shivanksharma2376543@gmail.com>
Link: https://patch.msgid.link/20260726051529.172905-1-shivanksharma2376543@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
`gb_audio_gb_get_topology()` combined three separate responsibilities into
a single call: querying the topology size, allocating a buffer for it, and
fetching the topology data into that buffer. This left callers with no
way to perform any of these steps independently, and forced the kzalloc()
allocation to live inside the protocol‑layer driver rather than the
caller, as already flagged by a FIXME comment at the call site
in `audio_module.c`.
Split the function into two:
- `gb_audio_gb_get_topology_size()` – queries only the topology size
- `gb_audio_gb_get_topology()` – fetches topology data into a
caller‑supplied buffer
of a given size
Update the only caller, `gb_audio_probe()` in `audio_module.c`, to
query the size first, allocate the topology buffer itself,
then fetch the data into it, freeing the buffer via the existing
`free_topology` error path on failure. The topology size is now
stored as `size_t` and validated in the caller before allocation,
addressing the earlier TODO and FIXME comments.
This resolves both the "TODO: Split into separate calls" comment
above the original function in `audio_gb.c` and the FIXME comment
at the call site in `audio_module.c`, both of which are removed
as part of this change.
No functional change in behavior for the existing probe path.
Signed-off-by: Aditya Chari S <adi25charis@gmail.com>
Reviewed-by: Dan Carpenter <error27@gmail.com>
Link: https://patch.msgid.link/20260725155108.7060-1-adi25charis@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The function sm750_enable_dma is defined in ddk750_power.c and declared
in ddk750_power.h, but it is not called anywhere in the driver.
Remove the unused definition and declaration.
This addresses the first task in the drivers/staging/sm750fb/TODO list:
"- refine the code and remove unused code".
Signed-off-by: Mohit Mishra <mishraloopmohit@gmail.com>
Link: https://patch.msgid.link/20260725090750.113598-2-mishraloopmohit@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The prototypes and kernel-doc comments for sm750_hw_copyarea() and
sm750_hw_imageblit() still use the old CamelCase parameter names,
while the function definitions in sm750_accel.c already use
snake_case. Rename the header parameters to match the definitions.
Fixes 10 checkpatch "Avoid CamelCase" checks. No functional change.
Signed-off-by: Gabriel Changamire <gaberashawn@gmail.com>
Link: https://patch.msgid.link/20260719064601.12223-1-gaberashawn@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Clean up minor formatting inconsistencies in sm750.h and sm750_accel.h:
- Remove a redundant consecutive blank line in sm750.h.
- Add missing spaces in comment blocks in sm750.h and sm750_accel.h.
- Align DE_SOURCE_X_K1_MONO_MASK macro definition in sm750_accel.h with
spaces instead of tabs to match surrounding macros.
Signed-off-by: Mohit Mishra <mishraloopmohit@gmail.com>
Link: https://patch.msgid.link/20260722175817.213235-2-mishraloopmohit@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The MOST core and the already converted net component log with device
context, while the video component still uses bare pr_err(), which
leaves its messages without any hint of the originating interface.
Both affected functions have the most_interface at hand, so log through
dev_err(iface->dev, ...) exactly like drivers/most/core.c does.
All English text in this patch (commit message and code comments) was
translated from a German draft with the assistance of Claude Fable 5.
Assisted-by: Claude:claude-fable-5 sparse
Signed-off-by: Nils Lehnen <nils.lehnen@proton.me>
Link: https://patch.msgid.link/20260718004223.54943-1-nils.lehnen@proton.me
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The set_stakey_parm struct contains a 16-byte encryption key.
Use kfree_sensitive() instead of kfree() to ensure the key
material is zeroed before the memory is freed, preventing
potential information leaks.
Fixes: 554c0a3abf ("staging: Add rtl8723bs sdio wifi driver")
Signed-off-by: Ivy Lopez <skunkolee@gmail.com>
Link: https://patch.msgid.link/20260717220135.17836-1-skunkolee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Member name does not adhere to linux coding style.
Changed type as well since b indicates a boolean type and in every
instance of setting the variable the values true and false are used.
bDriverStopped -> driver_stopped
Signed-off-by: Dalvin-Ehinoma Noah Aiguobas <fliegbert2@gmail.com>
Link: https://patch.msgid.link/20260717161329.3400-2-fliegbert2@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reformat the multi-line function signature to a single line to fix
the following checkpatch.pl warning:
WARNING: function definition argument 'struct adapter *Adapter'
should also have an identifier name
Signed-off-by: Moksh Panicker <mokshpanicker.7@gmail.com>
Link: https://patch.msgid.link/20260717160328.8739-1-mokshpanicker.7@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
I changed the Update_RA_Entry() function to update_ra_entry()
to fix the camelcase warning by checkpatch, I updated every
instance it was present and I have checked it successfully
building the driver with the changes I have done.
Signed-off-by: Anirban Bose <boses156@gmail.com>
Link: https://patch.msgid.link/20260717140006.2443-1-boses156@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reported style issue by checkpatch in the rtl8723bs driver.
changed the variable name to survey_para to adhere to Linux Kernel
coding style.
Signed-off-by: Max Raulea <max.raulea@gmail.com>
Link: https://patch.msgid.link/amhTbmQRr1MzBa6G@archlinux
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Please consider pulling these changes from the signed vfs-7.2-rc5.fixes tag.
Thanks!
Christian
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Merge tag 'vfs-7.2-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs
Pull vfs fixes from Christian Brauner:
- vfs: Preserve the ACL_DONT_CACHE state in forget_cached_acl().
ACL_DONT_CACHE is meant to be a permanent opt-out from ACL caching
which FUSE relies on for servers that don't negotiate FUSE_POSIX_ACL.
The helper replaced it with ACL_NOT_CACHED, silently re-enabling the
cache, and as fuse doesn't invalidate the cache for such servers a
properly timed get_acl() returned stale ACLs. Comes with a fuse
selftest reproducing this.
- pidfs:
- Preserve PIDFD_THREAD when a thread pidfd is reopened via
open_by_handle_at(). PIDFD_THREAD shares the O_EXCL bit which
do_dentry_open() strips after the flags have been validated, so
the reopened pidfd silently became a process pidfd. Comes with a
selftest.
- Add a pidfs_dentry_open() helper so the regular pidfd allocation
path and the file handle path share the code that forces O_RDWR
and reapplies the pidfd flags that do_dentry_open() strips.
- Handle FS_IOC32_GETVERSION in the compat ioctl path.
- Make pidfs_ino_lock static.
- iomap:
- Fix the block range calculation in ifs_clear_range_dirty() so a
partial clear doesn't drop the dirty state of blocks the range
only partially covers.
- Support invalidating partial folios so a partial truncate or hole
punch with blocksize < foliosize doesn't leave stale dirty bits
behind.
- Only set did_zero when iomap_zero_iter() actually zeroed
something.
- Guard ifs_set_range_dirty() and ifs_set_range_uptodate() against
zero-length ranges where the unsigned last-block calculation
underflows and bitmap_set() writes far beyond the ifs->state
allocation.
- Don't merge ioends with different io_private values as the merge
could leak or corrupt the private data of the individual ioends.
- exec:
- Raise bprm->have_execfd only once the binfmt_misc interpreter has
actually been opened. The flag was set as soon as a matching 'O'
or 'C' entry was found. If the interpreter open failed with
ENOEXEC the exec fell through to the next binary format with
have_execfd raised but no executable staged and begin_new_exec()
NULL derefed past the point of no return.
- Fix an unsigned loop counter wrap in transfer_args_to_stack() on
nommu. An overlong argument or environment string pushes bprm->p
below PAGE_SIZE, the stop index becomes zero, and the loop never
terminates, wrapping its counter and copying garbage from in
front of the page array into the new process stack.
- Make binfmt_elf_fdpic only honour the first PT_INTERP like
binfmt_elf does. Each additional PT_INTERP overwrote the previous
interpreter, leaking the name allocation and the interpreter file
reference together with the write denial open_exec() took,
leaving the file unwritable for as long as the system runs.
- overlayfs:
- Compare the full escaped xattr prefix including the trailing dot.
An xattr like "trusted.overlay.overlayfoo" was misclassified as
an escaped overlay xattr.
- Check read access to the copy_file_range() source with the
source's mounter credentials.
- super: Thawing a filesystem whose block device was frozen with
bdev_freeze() deadlocked. Dropping the last block layer freeze
reference from under s_umount ends up in fs_bdev_thaw() which
reacquires s_umount on the same task. Pin the superblock with an
active reference instead and call bdev_thaw() without holding
s_umount.
- procfs: Return EACCES instead of success when the ptrace access check
for namespace links fails.
- afs: Use afs_dir_get_block() rather than afs_dir_find_block() for
block 0 in afs_edit_dir_remove(), matching afs_edit_dir_add().
- Push the memcg gating of ->nr_cached_objects() down into the btrfs
and shmem callbacks instead of skipping every callback during
non-root memcg reclaim. The blanket check short-circuited XFS whose
inode reclaim hook is intentionally driven from per-memcg contexts to
free memcg-charged slab.
- eventpoll: Pin files while checking reverse paths.
Since struct file became SLAB_TYPESAFE_BY_RCU a concurrent close
could free and recycle the file under the check which then took and
dropped the f_lock of whatever live file now occupies that slot.
* tag 'vfs-7.2-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: (24 commits)
super: fix emergency thaw deadlock on frozen block devices
pidfs: make pidfs_ino_lock static
eventpoll: pin files while checking reverse paths
fs: push nr_cached_objects memcg gating into individual filesystems
afs: Fix afs_edit_dir_remove() to get, not find, block 0
iomap: prevent ioend merge when io_private differs
iomap: add comments for ifs_clear/set_range_dirty()
iomap: fix out-of-bounds bitmap_set() with zero-length range
iomap: fix incorrect did_zero setting in iomap_zero_iter()
iomap: support invalidating partial folios
iomap: correct the range of a partial dirty clear
fs/super: fix emergency thaw double-unlock of s_umount
pidfs: handle FS_IOC32_GETVERSION in compat ioctl
ovl: check access to copy_file_range source with src mounter creds
proc: Fix broken error paths for namespace links
pidfs: add pidfs_dentry_open() helper
selftests/pidfd: check PIDFD_THREAD survives open_by_handle_at()
pidfs: preserve thread pidfds reopened by file handle
ovl: fix trusted xattr escape prefix matching
selftests/fuse: add ACL_DONT_CACHE regression test
...
Just a couple of small bits for the SpacemiT driver - one small fix, and
a new compatible in the DT binding.
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Merge tag 'spi-fix-v7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"Just a couple of small bits for the SpacemiT driver - one small fix,
and a new compatible in the DT binding"
* tag 'spi-fix-v7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: dt-bindings: spacemit: add K3 SPI compatible
spi: spacemit: Correct TX FIFO slot calculation
One driver specific fix where one of the MediaTek drivers duplicated
some core code buggily, and a core fix for an ordering issue on startup
where we could end up configuring a voltage outside of constraints due
to the order in which we applied constraints.
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Merge tag 'regulator-fix-v7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"One driver specific fix where one of the MediaTek drivers duplicated
some core code buggily, and a core fix for an ordering issue on
startup where we could end up configuring a voltage outside of
constraints due to the order in which we applied constraints"
* tag 'regulator-fix-v7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: core: clamp voltage constraints before applying apply_uV
regulator: mt6358: use regmap helper to read fixed LDO calibration
Here are a number of small char/misc/etc. driver fixes for 7.2-rc5 that
resolve a bunch of different reported issues. Included in here are:
- rust_binder error message reporting fix
- stratix10-svc firmware driver fixes
- mei driver fix
- intel_th hardware tracing driver fix
- comedi driver fix
- uio_hv_generic driver fix
- ntsync selftest fix
- nsm misc driver fix
- some MAINTAINER file updates
All of these have been in linux-next for over a week with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a number of small char/misc/etc driver fixes for 7.2-rc5 that
resolve a bunch of different reported issues. Included in here are:
- rust_binder error message reporting fix
- stratix10-svc firmware driver fixes
- mei driver fix
- intel_th hardware tracing driver fix
- comedi driver fix
- uio_hv_generic driver fix
- ntsync selftest fix
- nsm misc driver fix
- some MAINTAINER file updates
All of these have been in linux-next for over a week with no reported
issues"
* tag 'char-misc-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
MAINTAINERS: Update wine-devel list address
rust_binder: only print failure if error has source
intel_th: fix MSC output device reference leak
misc: nsm: pin the module while the device is open
mei: bus: access mei_device under device_lock on cleanup
misc: nsm: only unlock nsm_dev on post-lock error paths
selftests: ntsync: correct CONFIG_NTSYNC name
comedi: comedi_parport: deal with premature interrupt
uio_hv_generic: Bind to FCopy device by default
MAINTAINERS: Add Greg Kroah-Hartman to GPIB
firmware: stratix10-svc: fix teardown order in remove to prevent race
firmware: stratix10-svc: handle NO_RESPONSE in async poll
firmware: stratix10-svc: fix FCS SMC call kernel-doc
firmware: stratix10-svc: fix memory leaks and list corruption bugs
Here are two small staging driver fixes for 7.2-rc5. They both resolve
some reported bugs in the rtl8723bs staging driver and have been in
linux-next for over a week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are two small staging driver fixes for 7.2-rc5. They both resolve
some reported bugs in the rtl8723bs staging driver and have been in
linux-next for over a week with no reported issues"
* tag 'staging-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723bs: fix OOB reads in rtw_get_wps_ie()
staging: rtl8723bs: fix inverted HT40 secondary channel offset
Here are two small serial driver fixes for 7.2-rc5. They are:
- sc16is7xx get_direction() callback fix, which resolves a
user-triggerable warning in the driver
- NULL pointer dereference on some platforms using the 8250_mid serial
driver
Both have been in linux-next for over a week with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull serial driver fixes from Greg KH:
"Here are two small serial driver fixes for 7.2-rc5. They are:
- sc16is7xx get_direction() callback fix, which resolves a
user-triggerable warning in the driver
- NULL pointer dereference on some platforms using the 8250_mid
serial driver
Both have been in linux-next for over a week with no reported issues"
* tag 'tty-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
serial: sc16is7xx: implement gpio get_direction() callback
serial: 8250_mid: Fix NULL function pointer dereference on DNV/ICX-D/SNR platforms
Here are some small USB fixes and new device quirks and ids for 7.2-rc5.
Included in here are:
- usb storage quirk added
- new usb serial device ids added
- usb-serial device name leak and other bug fixes
- small xhci driver fixes
- normal batch of typec driver fixes for reported issues
- usb-atm much-reported-by-syzbot fix for firmware download races
- sysfs BOS device removal race fix
- lots of usb gadget driver fixes for reported issues
- other small USB driver fixes for other reported problems.
All of these have been in linux-next this past week, many of them much
longer.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes and new device quirks and ids:
- usb storage quirk added
- new usb serial device ids added
- usb-serial device name leak and other bug fixes
- small xhci driver fixes
- normal batch of typec driver fixes for reported issues
- usb-atm much-reported-by-syzbot fix for firmware download races
- sysfs BOS device removal race fix
- lots of usb gadget driver fixes for reported issues
- other small USB driver fixes for other reported problems
All of these have been in linux-next this past week, many of them much
longer"
* tag 'usb-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (30 commits)
usb: typec: ucsi: Correct teardown ordering in ucsi_init() error path
USB: serial: io_edgeport: cap received transmit credits
USB: serial: option: add TDTECH MT5710-CN
USB: serial: io_ti: reject oversized boot-mode firmware
USB: serial: mxuport: validate firmware header size
usb: atm: ueagle-atm: reject descriptors that confuse probe and disconnect
usb: typec: ucsi: yoga_c630: Remove redundant duplicate altmode handling
usb: typec: ucsi: Add duplicate detection to nvidia registration path
usb: typec: ucsi: Detect and skip duplicate altmodes from buggy firmware
usb: gadget: dummy_hcd: prevent fifo_req reuse during giveback
usb: chipidea: fix usage_count leak when autosuspend_delay is negative
usb: core: sysfs: add lock to bos_descriptors_read()
usb: musb: omap2430: Do not put borrowed of_node in probe
usb: core: port: Deattach Type-C connector on component unbind
USB: storage: add NO_ATA_1X quirk for Longmai USB Key
USB: serial: ftdi_sio: add support for E+H FXA291
USB: serial: keyspan_pda: fix data loss on receive throttling
usb: gadget: printer: fix infinite loop in printer_read()
usb: gadget: f_midi: cancel pending IN work before freeing the midi object
usb: gadget: udc: bdc: free IRQ and drain func_wake_notify before teardown
...
- Move rb_desc->nr_page_va before updating dynamic array
The rb_descr->page_va is a dynamic array counted by nr_page_va. But the
updating of the page_va[] is done before the nr_page_va is incremented
causing a build with CONFIG_UBSAN_BOUNDS to flag it as an overflow.
Move the increment of the counted by value before the array element is
updated.
- Propagate errors from remote event bulk updates
The return value of trace_remote_enable_event() was not being checked by
remote_events_dir_enable_write() where it would silently fail. Have it
check the return value and propagate that back up to user space.
- Fix resource leak on mmiotrace trace_pipe close
The mmiotrace tracer was created in 2008 before the trace_pipe had a close
callback to allow tracers to do clean up from trace_pipe open. The
trace_pipe close cleanup callback was added in 2009 but the mmiotrace
tracer was not updated. It had a hack to do the cleanup in the read call,
where it may leak if user space did not read the entire buffer.
Add a callback to mmiotrace trace_pipe close do to the cleanup properly.
- Fix a possible NULL pointer dereference in the mmiotrace tracer
If the mmio_pipe_open() fails to find a PCI device, it will set the
hiter->dev pointer to NULL. The read function will blindly dereference
that pointer. Fix the read call to check to see if that pointer is
populated before dereferencing it.
- Fix union collision of module and refcnt for dynamic events
In 'struct trace_event_call', the 'module' pointer and the 'refcnt' atomic
variable share the same memory space in a union. The filter on module
logic only checked if the 'module' was set to determine if the event
belonged to the module. As dynamic events are always builtin, it doesn't
need the 'module' field of the structure and used a refcount. But the
module filtering logic would then mistaken these dynamic events as a
module and call module_name(event->module) on it.
Add a check to see if the event is a dynamic event and if so, do not check
it for being part of the given module.
- Reset the top level buffer in selftests before running instances
The ftracetest selftest initializes each instance before executing the
tests. But it does not reset the top level buffer. Dynamic events are only
added and removed by the top level so any left over dynamic events will
not be removed by the reset in the instances.
Left over dynamic events can cause the tests to incorrectly fail. Reset
the top level buffer before running the instances.
- Make the context_switch counter 64 bit
The code to read user space for a system call trace event or for a
trace_marker will disable migration, enable preemption, read user space
into a per CPU buffer, disable preemption and enable migration again.
It checks if the per CPU context switch counter to see if it changed, and
if it did not, it would know that the per CPU buffer was not touched by
another task.
But the save counter was 32 bit and it would compare it to the 64 bit
context_switch variable. A long running system could have the
context_switch variable greater that 1<<32 in which case the compare will
always fail. The compare will promote the 32 bit int saved value to 64 bit
and compare it to the full 64 bit counter. Since the top 32 bits of the
saved value was zero, it would never match.
- Fix a use-after-free of the event_enable trigger
The event_enable trigger allows for enabling one event when another event
is triggered. When the trigger is removed, it must go through a
synchronization phase to make sure it is not triggered again. The trigger
itself is delayed by the "bulk delay" logic that was recently added.
But the code that frees the event_enable data used to rely on the trigger
code to do the synchronization. Now that the code uses the call RCU
functions (and a workqueue), that delay no longer is there.
Add a callback private_data_free() function that allows triggers to clean
up data after the synchronization phase has completed.
- Move the module_ref counter into the delay callback
Since an event of the event_enable trigger can enable an event for a
module, it ups the module ref count for that event's module. This prevents
the event from trying to enable an event that no longer exists and cause a
use-after-free bug.
The ref counter was set back down when the trigger was removed but not
after thy synchronization phase. This could lead to the module data being
accessed after module was unloaded.
Move the module ref decrement into the private_data_free() callback of the
event_enable trigger.
- Add mutex to protect parser in ftrace filtering
The set_ftrace_filter file uses a parsing descriptor that is allocated at
open and modified by writes. If multiple threads were to write to the
descriptor at the same time, it can corrupt the parser.
Add a mutex around the modifications of the parser descriptor.
- Fix possible corruption in perf syscall tracing
The perf system call trace events can now read user space. To do so, the
reads of user space enable preemption and disables it again. During this
time that preemption is enabled, the task can migrate. The perf event list
head is assigned via a per CPU pointer. It is done before the user space
part is called. If the user space reading migrates the task to another
CPU, then the head pointer is no longer valid.
Re-assign the head pointer after the reading of user space to keep it
using the correct data.
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Merge tag 'trace-v7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
- Move rb_desc->nr_page_va before updating dynamic array
The rb_descr->page_va is a dynamic array counted by nr_page_va. But
the updating of the page_va[] is done before the nr_page_va is
incremented causing a build with CONFIG_UBSAN_BOUNDS to flag it as an
overflow.
Move the increment of the counted by value before the array element
is updated.
- Propagate errors from remote event bulk updates
The return value of trace_remote_enable_event() was not being checked
by remote_events_dir_enable_write() where it would silently fail.
Have it check the return value and propagate that back up to user
space.
- Fix resource leak on mmiotrace trace_pipe close
The mmiotrace tracer was created in 2008 before the trace_pipe had a
close callback to allow tracers to do clean up from trace_pipe open.
The trace_pipe close cleanup callback was added in 2009 but the
mmiotrace tracer was not updated. It had a hack to do the cleanup in
the read call, where it may leak if user space did not read the
entire buffer.
Add a callback to mmiotrace trace_pipe close do to the cleanup
properly.
- Fix a possible NULL pointer dereference in the mmiotrace tracer
If the mmio_pipe_open() fails to find a PCI device, it will set the
hiter->dev pointer to NULL. The read function will blindly
dereference that pointer. Fix the read call to check to see if that
pointer is populated before dereferencing it.
- Fix union collision of module and refcnt for dynamic events
In 'struct trace_event_call', the 'module' pointer and the 'refcnt'
atomic variable share the same memory space in a union. The filter on
module logic only checked if the 'module' was set to determine if the
event belonged to the module. As dynamic events are always builtin,
it doesn't need the 'module' field of the structure and used a
refcount. But the module filtering logic would then mistaken these
dynamic events as a module and call module_name(event->module) on it.
Add a check to see if the event is a dynamic event and if so, do not
check it for being part of the given module.
- Reset the top level buffer in selftests before running instances
The ftracetest selftest initializes each instance before executing
the tests. But it does not reset the top level buffer. Dynamic events
are only added and removed by the top level so any left over dynamic
events will not be removed by the reset in the instances.
Left over dynamic events can cause the tests to incorrectly fail.
Reset the top level buffer before running the instances.
- Make the context_switch counter 64 bit
The code to read user space for a system call trace event or for a
trace_marker will disable migration, enable preemption, read user
space into a per CPU buffer, disable preemption and enable migration
again. It checks if the per CPU context switch counter to see if it
changed, and if it did not, it would know that the per CPU buffer was
not touched by another task.
But the save counter was 32 bit and it would compare it to the 64 bit
context_switch variable. A long running system could have the
context_switch variable greater that 1<<32 in which case the compare
will always fail. The compare will promote the 32 bit int saved value
to 64 bit and compare it to the full 64 bit counter. Since the top 32
bits of the saved value was zero, it would never match.
- Fix a use-after-free of the event_enable trigger
The event_enable trigger allows for enabling one event when another
event is triggered. When the trigger is removed, it must go through a
synchronization phase to make sure it is not triggered again. The
trigger itself is delayed by the "bulk delay" logic that was recently
added. But the code that frees the event_enable data used to rely on
the trigger code to do the synchronization. Now that the code uses
the call RCU functions (and a workqueue), that delay no longer is
there.
Add a callback private_data_free() function that allows triggers to
clean up data after the synchronization phase has completed.
- Move the module_ref counter into the delay callback
Since an event of the event_enable trigger can enable an event for a
module, it ups the module ref count for that event's module. This
prevents the event from trying to enable an event that no longer
exists and cause a use-after-free bug.
The ref counter was set back down when the trigger was removed but
not after thy synchronization phase. This could lead to the module
data being accessed after module was unloaded.
Move the module ref decrement into the private_data_free() callback
of the event_enable trigger.
- Add mutex to protect parser in ftrace filtering
The set_ftrace_filter file uses a parsing descriptor that is
allocated at open and modified by writes. If multiple threads were to
write to the descriptor at the same time, it can corrupt the parser.
Add a mutex around the modifications of the parser descriptor.
- Fix possible corruption in perf syscall tracing
The perf system call trace events can now read user space. To do so,
the reads of user space enable preemption and disables it again.
During this time that preemption is enabled, the task can migrate.
The perf event list head is assigned via a per CPU pointer. It is
done before the user space part is called. If the user space reading
migrates the task to another CPU, then the head pointer is no longer
valid.
Re-assign the head pointer after the reading of user space to keep it
using the correct data.
* tag 'trace-v7.2-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing: perf: Fix stale head for perf syscall tracing
ftrace: Add global mutex to serialize trace_parser access
tracing: Delay module ref count for "enable_event" trigger
tracing: Fix use-after-free freeing trigger private data
tracing: Fix context switch counter truncation
selftests/ftrace: Reset triggers at top level before instance loop
tracing: Fix union collision of module and refcnt for dynamic events
tracing: Fix mmiotrace possible NULL dereferencing of hiter->dev
tracing: Fix resource leak on mmiotrace trace_pipe close
tracing: Propagate errors from remote event bulk updates
tracing/remotes: Fix page_va[] access before counter update in trace_remote_alloc_buffer()
a bit more widely, because newer versions of LLVM started
optimizing it a bit better and introduced run-time relocations
in PIE code. (Nathan Chancellor)
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2026-07-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fix from Ingo Molnar:
- Disable jump/lookup tables in the x86 boot decompressor code
a bit more widely, because newer versions of LLVM started
optimizing it a bit better and introduced run-time relocations
in PIE code (Nathan Chancellor)
* tag 'x86-urgent-2026-07-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/boot/compressed: Disable jump tables
do_thaw_all_callback() calls bdev_thaw() while holding sb->s_umount
exclusively. If the block device was frozen via bdev_freeze() dropping
the last block layer freeze reference calls fs_bdev_thaw() which
reacquires s_umount:
do_thaw_all_callback(sb)
super_lock_excl(sb) # holds sb->s_umount
bdev_thaw(sb->s_bdev)
mutex_lock(&bdev->bd_fsfreeze_mutex)
# bd_fsfreeze_count drops 1 -> 0
bd_holder_ops->thaw == fs_bdev_thaw
get_bdev_super(bdev)
bdev_super_lock(bdev, true)
super_lock(sb, true)
down_write(&sb->s_umount) # same task: deadlock
The emergency thaw worker deadlocks against itself holding both
s_umount and bd_fsfreeze_mutex. That fscks any subsequent unmount,
freeze, or thaw of that filesystem and block device.
[ 81.878470] sysrq: Show Blocked State
[ 81.880140] task:kworker/0:1 state:D stack:0 pid:11 tgid:11 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 81.884876] Workqueue: events do_thaw_all
[ 81.886656] Call Trace:
[ 81.887759] <TASK>
[ 81.888763] __schedule+0x579/0x1420
[ 81.890372] schedule+0x3a/0x100
[ 81.891794] schedule_preempt_disabled+0x15/0x30
[ 81.893848] rwsem_down_write_slowpath+0x1ea/0x900
[ 81.895191] ? __pfx_do_thaw_all_callback+0x10/0x10
[ 81.896528] down_write+0xbd/0xc0
[ 81.897505] super_lock+0x91/0x180
[ 81.898457] ? __mutex_lock+0xa99/0x1140
[ 81.900748] ? __mutex_unlock_slowpath+0x1f/0x400
[ 81.902069] bdev_super_lock+0x5b/0x150
[ 81.903132] get_bdev_super+0x10/0x60
[ 81.904042] fs_bdev_thaw+0x23/0xf0
[ 81.904755] bdev_thaw+0x82/0x100
[ 81.905484] do_thaw_all_callback+0x2c/0x50
[ 81.906298] __iterate_supers+0x5d/0x130
[ 81.907067] do_thaw_all+0x20/0x40
[ 81.907739] process_one_work+0x206/0x5e0
[ 81.908545] worker_thread+0x1e2/0x3c0
[ 81.909339] ? __pfx_worker_thread+0x10/0x10
[ 81.910171] kthread+0xf4/0x130
[ 81.910799] ? __pfx_kthread+0x10/0x10
[ 81.911528] ret_from_fork+0x2e2/0x3b0
[ 81.912259] ? __pfx_kthread+0x10/0x10
[ 81.913010] ret_from_fork_asm+0x1a/0x30
[ 81.913806] </TASK>
bdev_super_lock() even documents the violated requirement with
lockdep_assert_not_held(&sb->s_umount).
Acquiring bd_fsfreeze_mutex under s_umount also inverts the
bd_fsfreeze_mutex vs. s_umount ordering established by
bdev_{freeze,thaw}() and can thus ABBA against a concurrent block-layer
freeze even when the recursive path isn't hit.
Fix this by not holding s_umount around the bdev_thaw() loop at all. Pin
the superblock with an active reference instead as
filesystems_freeze_callback() does. The active reference keeps the
superblock from being shut down and so ->s_bdev stays valid without
holding s_umount. The block-layer-held freeze is dropped by
fs_bdev_thaw() with FREEZE_MAY_NEST | FREEZE_HOLDER_USERSPACE exactly as
a regular unfreeze would and thaw_super_locked() handles
filesystem-level freezes as before.
The emergency thaw path has deadlocked like this in one form or
another for a long long time but the current exclusively-held
shape dates back to commit [1] where thaw_bdev() already ended in
thaw_super() with s_umount held by do_thaw_all_callback().
Fixes: 08fdc8a013 ("buffer.c: call thaw_super during emergency thaw") [1]
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20260723-work-super-emergency_thaw-v1-1-7c315c600245@kernel.org
Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org>
Toolchain and infrastructure:
- 'zerocopy' crates: update to v0.8.54 to fix a modpost error under
'CONFIG_CC_OPTIMIZE_FOR_SIZE=y'.
There are actually two updates in the PR: the one to v0.8.52 is
fairly large and was originally not intended for a fixes PR, but the
actual fix landed in the v0.8.54 one. Thus I included both here.
The v0.8.52 update includes two things upstream added for us:
'--cfg no_fp_fmt_parse' to avoid a local workaround, and the new
'most_traits' feature.
The good news is that, after these updates, the delta with upstream
is now trivial: only an identifier prefix change and the SPDX
parentheses.
- Fix an objtool warning by adding one more 'noreturn' function for
Rust 1.99.0 (expected 2026-10-01).
- Clean up new 'semicolon_in_expressions_from_macros' lint errors for
Rust 1.99.0 (expected 2026-10-01). The lint can be allowed, but it
will be a hard error at some point in the future anyway, so clean it
up now.
- Locally allow new 'suspicious_runtime_symbol_definitions' lint for
Rust 1.98.0 (expected 2026-08-20).
- Globally allow 'clippy::unwrap_or_default' lint since it relies on
optimizations -- under 'CONFIG_CC_OPTIMIZE_FOR_SIZE=y' it does not
work well.
'kernel' crate:
- 'time' module: fix 'Delta::as_micros_ceil()' to round negative values
correctly.
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Merge tag 'rust-fixes-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull rust fixes from Miguel Ojeda:
"Toolchain and infrastructure:
- 'zerocopy' crates: update to v0.8.54 to fix a modpost error under
'CONFIG_CC_OPTIMIZE_FOR_SIZE=y'.
There are actually two updates in the PR: the one to v0.8.52 is
fairly large and was originally not intended for a fixes PR, but the
actual fix landed in the v0.8.54 one. Thus I included both here.
The v0.8.52 update includes two things upstream added for us:
'--cfg no_fp_fmt_parse' to avoid a local workaround, and the new
'most_traits' feature.
The good news is that, after these updates, the delta with upstream
is now trivial: only an identifier prefix change and the SPDX
parentheses.
- Fix an objtool warning by adding one more 'noreturn' function for
Rust 1.99.0 (expected 2026-10-01).
- Clean up new 'semicolon_in_expressions_from_macros' lint errors for
Rust 1.99.0 (expected 2026-10-01). The lint can be allowed, but it
will be a hard error at some point in the future anyway, so clean it
up now.
- Locally allow new 'suspicious_runtime_symbol_definitions' lint for
Rust 1.98.0 (expected 2026-08-20).
- Globally allow 'clippy::unwrap_or_default' lint since it relies on
optimizations -- under 'CONFIG_CC_OPTIMIZE_FOR_SIZE=y' it does not
work well.
'kernel' crate:
- 'time' module: fix 'Delta::as_micros_ceil()' to round negative values
correctly"
* tag 'rust-fixes-7.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux:
rust: time: fix as_micros_ceil() to round correctly for negative Delta
rust: device: avoid trailing ; in printing macros
objtool/rust: add one more `noreturn` Rust function for Rust 1.99.0
rust: zerocopy: update to v0.8.54
rust: zerocopy: update to v0.8.52
rust: allow `clippy::unwrap_or_default` globally
rust: allow `suspicious_runtime_symbol_definitions` lint for Rust >= 1.98
- Update header copies of kernel headers, including const.h, fs.h,
perf_event.h, gfp_types.h, kvm.h, cpufeatures.h, rtnetlink.hp,
msr-index.h, drm.h and socket.h.
- Add some build files related to BPF skels to .gitignore.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v7.2-1-2026-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools
Pull perf tools fixes from Arnaldo Carvalho de Melo:
- Update header copies of kernel headers, including const.h, fs.h,
perf_event.h, gfp_types.h, kvm.h, cpufeatures.h, rtnetlink.hp,
msr-index.h, drm.h and socket.h
- Add some build files related to BPF skels to .gitignore
* tag 'perf-tools-fixes-for-v7.2-1-2026-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools:
tools headers: Sync KVM headers with the kernel sources
tools headers: Sync UAPI linux/fs.h with the kernel sources
perf beauty: Update copy of linux/socket.h with the kernel sources
tools headers: Sync UAPI drm/drm.h with kernel sources
tools arch x86: Sync the msr-index.h copy with the kernel sources
tools headers x86 cpufeatures: Sync with the kernel sources
tools headers: Sync linux/gfp_types.h with the kernel sources
tools headers UAPI: Sync linux/rtnetlink.h with the kernel sources
tools headers UAPI: Sync linux/const.h with the kernel sources
perf bench bpf: Add missing .gitignore file
Fix a bug in unit driver for RFC 2734 IPv4 over IEEE 1394. The driver
failed to reassemble a complete datagram when it was stored across
multiple buffer ranges in the list. Ruoyu Wang reported and fixed it.
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Merge tag 'firewire-fixes-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394
Pull firewire fix from Takashi Sakamoto:
"Fix a bug in unit driver for RFC 2734 IPv4 over IEEE 1394.
The driver failed to reassemble a complete datagram when it was stored
across multiple buffer ranges in the list. Ruoyu Wang reported and
fixed it"
* tag 'firewire-fixes-7.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
firewire: net: Fix fragmented datagram reassembly
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Merge tag 'loongarch-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch fixes from Huacai Chen:
- fix build warnings and errors
- move jump_label_init() before parse_early_param()
- retrieve CPU package ID from PPTT when available
- fix some bugs kgdb, BPF JIT and laptop platform driver bugs
* tag 'loongarch-fixes-7.2-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
platform/loongarch: laptop: Explicitly reset bl_powered state when suspend
platform/loongarch: laptop: Stop setting acpi_device_class()
LoongArch: BPF: Fix memory leak in bpf_jit_free()
LoongArch: BPF: Zero-extend signed ALU32 div/mod results
LoongArch: Fix oops during single-step debugging
LoongArch: Fix address space mismatch in kexec command line lookup
LoongArch: Retrieve CPU package ID from PPTT when available
LoongArch: Move jump_label_init() before parse_early_param()
LoongArch: Fix build errors due to wrong instructions for 32BIT
LoongArch: Increase TASK_STRUCT_OFFSET up to 2040 for 32BIT
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Merge tag 'block-7.2-20260724' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull block fixes from Jens Axboe:
- Fix a ublk recovery hang, where END_USER_RECOVERY without a
successful START_USER_RECOVERY could be satisfied by a stale
completion latch
- Fix a stack out-of-bounds read in the CDROMVOLCTRL ioctl
- MAINTAINERS email address update for Roger Pau Monne
* tag 'block-7.2-20260724' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
MAINTAINERS: update my email address
cdrom: fix stack out-of-bounds read in CDROMVOLCTRL
ublk: wait on ublk_dev_ready() instead of ub->completion
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Merge tag 'io_uring-7.2-20260724' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux
Pull io_uring fixes from Jens Axboe:
- Fix a missing ERESTARTSYS conversion in the read paths, which got
messed up back when some code consolidation was done for read
multishot support
- zcrx UAPI rename, dropping the abbreviated "notif" naming in favor of
"event" for consistency and to be less ambiguous for users. This was
added for 7.2, so let's rename it while we still can. No functional
or code changes, just a strict rename
* tag 'io_uring-7.2-20260724' of git://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux:
io_uring/zcrx: rename notif to event
io_uring/zcrx: rename ZCRX_NOTIF_NO_BUFFERS
io_uring/zcrx: drop "notif" from stats struct names
io_uring/rw: fix missing ERESTARTSYS conversion in read paths
