The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-14-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-13-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-12-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-11-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-10-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-8-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-7-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20230303213716.2123717-6-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-5-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-4-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The .remove() callback for a platform driver returns an int which makes
many driver authors wrongly assume it's possible to do error handling by
returning an error code. However the value returned is (mostly) ignored
and this typically results in resource leaks. To improve here there is a
quest to make the remove callback return void. In the first step of this
quest all drivers are converted to .remove_new() which already returns
void.
Trivially convert this driver from always returning zero in the remove
callback to the void returning variant.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230303213716.2123717-3-u.kleine-koenig@pengutronix.de
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Use devm_add_action_or_reset() to disable the watchdog when the driver
is removed to simplify the code. With this in place, we can use
devm_watchdog_register_device() to register the watchdog, and the removal
function is no longer necessary.
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230304165653.2179835-2-linux@roeck-us.net
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The devm_clk_get[_optional]_enabled() helpers:
- call devm_clk_get[_optional]()
- call clk_prepare_enable() and register what is needed in order to
call clk_disable_unprepare() when needed, as a managed resource.
This simplifies the code and avoids the calls to clk_disable_unprepare().
While at it, use dev_err_probe consistently, and use its return value
to return the error code.
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20230304165653.2179835-1-linux@roeck-us.net
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
The use of WDOG_HW_RUNNING is currently inconsistent: If set by the
driver, it will remain set until the watchdog device is opened and then
closed. If set by the watchdog core, it is only set if the watchdog
can not be stopped when closed. Subsequenty it is always only set while
the watchdog is closed and the hardware watchdog is running.
This is both misleading and inconsistent: The API states that
watchdog_hw_running() indicates that the hardware watchdog is running.
This is currently not always the case. Set WDOG_HW_RUNNING whenever a
watchdog is successfully started for consistent behavior and to
accurately report its status.
This means that we no longer have to check for both watchdog_active()
and watchdog_hw_running() to check if the watchdog is running because
watchdog_hw_running() now implies watchdog_active(). Simplify the code
accordingly where warranted.
Cc: Wang Wensheng <wangwensheng4@huawei.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230304161607.1418952-1-linux@roeck-us.net
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
0-day complains:
drivers/watchdog/imx2_wdt.c:442:22: sparse:
symbol 'imx_wdt' was not declared. Should it be static?
drivers/watchdog/imx2_wdt.c:446:22: sparse:
symbol 'imx_wdt_legacy' was not declared. Should it be static?
Declare as static variables.
Fixes: e42c73f1ef ("watchdog: imx2_wdg: suspend watchdog in WAIT mode")
Cc: Andrej Picej <andrej.picej@norik.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20230228151648.4087637-1-linux@roeck-us.net
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
- Do not wait unconditionally for RCU on the event migration path if
there are no events to migrate
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Merge tag 'perf_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Fix "same task" check when redirecting event output
- Do not wait unconditionally for RCU on the event migration path if
there are no events to migrate
* tag 'perf_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/core: Fix the same task check in perf_event_set_output
perf: Optimize perf_pmu_migrate_context()
- Fix a confusion about how to check the version of the ACPI spec which
supports a "online capable" bit in the MADT table which lead to
a bunch of boot breakages with Zen1 systems and VMs
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Merge tag 'x86_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Add a new Intel Arrow Lake CPU model number
- Fix a confusion about how to check the version of the ACPI spec which
supports a "online capable" bit in the MADT table which lead to a
bunch of boot breakages with Zen1 systems and VMs
* tag 'x86_urgent_for_v6.3_rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu: Add model number for Intel Arrow Lake processor
x86/acpi/boot: Correct acpi_is_processor_usable() check
x86/ACPI/boot: Use FADT version to check support for online capable
- Fix several issues with region enumeration in RCH topologies that can
trigger crashes on driver startup or shutdown.
- Fix CXL DVSEC range register compatibility versus region enumeration
that leads to startup crashes
- Fix CDAT endiannes handling
- Fix multiple buffer handling boundary conditions
- Fix Data Object Exchange (DOE) workqueue usage vs CONFIG_DEBUG_OBJECTS
warn splats
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Merge tag 'cxl-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl
Pull compute express link (cxl) fixes from Dan Williams:
"Several fixes for driver startup regressions that landed during the
merge window as well as some older bugs.
The regressions were due to a lack of testing with what the CXL
specification calls Restricted CXL Host (RCH) topologies compared to
the testing with Virtual Host (VH) CXL topologies. A VH topology is
typical PCIe while RCH topologies map CXL endpoints as Root Complex
Integrated endpoints. The impact is some driver crashes on startup.
This merge window also added compatibility for range registers (the
mechanism that CXL 1.1 defined for mapping memory) to treat them like
HDM decoders (the mechanism that CXL 2.0 defined for mapping
Host-managed Device Memory). That work collided with the new region
enumeration code that was tested with CXL 2.0 setups, and fails with
crashes at startup.
Lastly, the DOE (Data Object Exchange) implementation for retrieving
an ACPI-like data table from CXL devices is being reworked for v6.4.
Several fixes fell out of that work that are suitable for v6.3.
All of this has been in linux-next for a while, and all reported
issues [1] have been addressed.
Summary:
- Fix several issues with region enumeration in RCH topologies that
can trigger crashes on driver startup or shutdown.
- Fix CXL DVSEC range register compatibility versus region
enumeration that leads to startup crashes
- Fix CDAT endiannes handling
- Fix multiple buffer handling boundary conditions
- Fix Data Object Exchange (DOE) workqueue usage vs
CONFIG_DEBUG_OBJECTS warn splats"
Link: http://lore.kernel.org/r/20230405075704.33de8121@canb.auug.org.au [1]
* tag 'cxl-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl:
cxl/hdm: Extend DVSEC range register emulation for region enumeration
cxl/hdm: Limit emulation to the number of range registers
cxl/region: Move coherence tracking into cxl_region_attach()
cxl/region: Fix region setup/teardown for RCDs
cxl/port: Fix find_cxl_root() for RCDs and simplify it
cxl/hdm: Skip emulation when driver manages mem_enable
cxl/hdm: Fix double allocation of @cxlhdm
PCI/DOE: Fix memory leak with CONFIG_DEBUG_OBJECTS=y
PCI/DOE: Silence WARN splat with CONFIG_DEBUG_OBJECTS=y
cxl/pci: Handle excessive CDAT length
cxl/pci: Handle truncated CDAT entries
cxl/pci: Handle truncated CDAT header
cxl/pci: Fix CDAT retrieval on big endian
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Merge tag '6.3-rc5-smb3-cifs-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs client fixes from Steve French:
"Two cifs/smb3 client fixes, one for stable:
- double lock fix for a cifs/smb1 reconnect path
- DFS prefixpath fix for reconnect when server moved"
* tag '6.3-rc5-smb3-cifs-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
cifs: double lock in cifs_reconnect_tcon()
cifs: sanitize paths in cifs_update_super_prepath.
Here are a small set of various small driver changes for 6.3-rc6.
Included in here are:
- iio driver fixes for reported problems.
- coresight hwtracing bugfix for reported problem
- small counter driver bugfixes
All have been in linux-next for a while with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a small set of various small driver changes for 6.3-rc6.
Included in here are:
- iio driver fixes for reported problems
- coresight hwtracing bugfix for reported problem
- small counter driver bugfixes
All have been in linux-next for a while with no reported problems"
* tag 'char-misc-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
coresight: etm4x: Do not access TRCIDR1 for identification
coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug
iio: adc: ti-ads7950: Set `can_sleep` flag for GPIO chip
iio: adc: palmas_gpadc: fix NULL dereference on rmmod
counter: 104-quad-8: Fix Synapse action reported for Index signals
counter: 104-quad-8: Fix race condition between FLAG and CNTR reads
iio: adc: max11410: fix read_poll_timeout() usage
iio: dac: cio-dac: Fix max DAC write value check for 12-bit
iio: light: cm32181: Unregister second I2C client if present
iio: accel: kionix-kx022a: Get the timestamp from the driver's private data in the trigger_handler
iio: adc: ad7791: fix IRQ flags
iio: buffer: make sure O_NONBLOCK is respected
iio: buffer: correctly return bytes written in output buffers
iio: light: vcnl4000: Fix WARN_ON on uninitialized lock
iio: adis16480: select CONFIG_CRC32
drivers: iio: adc: ltc2497: fix LSB shift
iio: adc: qcom-spmi-adc5: Fix the channel name
Here are some small tty and serial driver fixes for some reported
problems:
- fsl_uart driver bugfixes
- sh-sci serial driver bugfixes
- renesas serial driver DT binding bugfixes
- 8250 DMA bugfix
All of these have been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are some small tty and serial driver fixes for some reported
problems:
- fsl_uart driver bugfixes
- sh-sci serial driver bugfixes
- renesas serial driver DT binding bugfixes
- 8250 DMA bugfix
All of these have been in linux-next for a while with no reported
problems"
* tag 'tty-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
tty: serial: sh-sci: Fix Rx on RZ/G2L SCI
tty: serial: fsl_lpuart: fix crash in lpuart_uport_is_active
tty: serial: fsl_lpuart: avoid checking for transfer complete when UARTCTRL_SBK is asserted in lpuart32_tx_empty
serial: 8250: Prevent starting up DMA Rx on THRI interrupt
dt-bindings: serial: renesas,scif: Fix 4th IRQ for 4-IRQ SCIFs
tty: serial: sh-sci: Fix transmit end interrupt handler
Here are some small USB bugfixes for 6.3-rc6 that have been in my tree,
and in linux-next, for a while. Included in here are:
- new usb-serial driver device ids
- xhci bugfixes for reported problems
- gadget driver bugfixes for reported problems
- dwc3 new device id
All have been in linux-next with no reported problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB bugfixes from Greg KH:
"Here are some small USB bugfixes for 6.3-rc6 that have been in my
tree, and in linux-next, for a while. Included in here are:
- new usb-serial driver device ids
- xhci bugfixes for reported problems
- gadget driver bugfixes for reported problems
- dwc3 new device id
All have been in linux-next with no reported problems"
* tag 'usb-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: cdnsp: Fixes error: uninitialized symbol 'len'
usb: gadgetfs: Fix ep_read_iter to handle ITER_UBUF
usb: gadget: f_fs: Fix ffs_epfile_read_iter to handle ITER_UBUF
usb: typec: altmodes/displayport: Fix configure initial pin assignment
usb: dwc3: pci: add support for the Intel Meteor Lake-S
xhci: Free the command allocated for setting LPM if we return early
Revert "usb: xhci-pci: Set PROBE_PREFER_ASYNCHRONOUS"
xhci: also avoid the XHCI_ZERO_64B_REGS quirk with a passthrough iommu
USB: serial: option: add Quectel RM500U-CN modem
usb: xhci: tegra: fix sleep in atomic call
USB: serial: option: add Telit FE990 compositions
USB: serial: cp210x: add Silicon Labs IFS-USB-DATACABLE IDs
Four small fixes, all in drivers. They're all one or two lines except
for the ufs one, but that's a simple revert of a previous feature.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four small fixes, all in drivers. They're all one or two lines except
for the ufs one, but that's a simple revert of a previous feature"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: iscsi_tcp: Check that sock is valid before iscsi_set_param()
scsi: qla2xxx: Fix memory leak in qla2x00_probe_one()
scsi: mpi3mr: Handle soft reset in progress fault code (0xF002)
scsi: Revert "scsi: ufs: core: Initialize devfreq synchronously"
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Merge tag 'block-6.3-2023-04-06' of git://git.kernel.dk/linux
Pull block fixes from Jens Axboe:
- Ensure that ublk always reads the whole sqe upfront (me)
- Fix for a block size probing issue with ublk (Ming)
- Fix for the bio based polling (Keith)
- NVMe pull request via Christoph:
- fix discard support without oncs (Keith Busch)
- Partition scan error handling regression fix (Yu)
* tag 'block-6.3-2023-04-06' of git://git.kernel.dk/linux:
block: don't set GD_NEED_PART_SCAN if scan partition failed
block: ublk: make sure that block size is set correctly
ublk: read any SQE values upfront
nvme: fix discard support without oncs
blk-mq: directly poll requests
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Merge tag 'io_uring-6.3-2023-04-06' of git://git.kernel.dk/linux
Pull io_uring fixes from Jens Axboe:
"Just two minor fixes for provided buffers - one where we could
potentially leak a buffer, and one where the returned values was
off-by-one in some cases"
* tag 'io_uring-6.3-2023-04-06' of git://git.kernel.dk/linux:
io_uring: fix memory leak when removing provided buffers
io_uring: fix return value when removing provided buffers
- fix a braino in the swiotlb alignment check fix (Petr Tesarik)
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Merge tag 'dma-mapping-6.3-2023-04-08' of git://git.infradead.org/users/hch/dma-mapping
Pull dma-mapping fix from Christoph Hellwig:
- fix a braino in the swiotlb alignment check fix (Petr Tesarik)
* tag 'dma-mapping-6.3-2023-04-08' of git://git.infradead.org/users/hch/dma-mapping:
swiotlb: fix a braino in the alignment check fix
- Reset direct->addr back to its original value on error in updating
the direct trampoline code.
- Make lastcmd_mutex static.
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Merge tag 'trace-v6.3-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt:
"A couple more minor fixes:
- Reset direct->addr back to its original value on error in updating
the direct trampoline code
- Make lastcmd_mutex static"
* tag 'trace-v6.3-rc5-2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
tracing/synthetic: Make lastcmd_mutex static
ftrace: Fix issue that 'direct->addr' not restored in modify_ftrace_direct()
23 are cc:stable and the other 5 address issues which were introduced
during this merge cycle.
20 are for MM and the remainder are for other subsystems.
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Merge tag 'mm-hotfixes-stable-2023-04-07-16-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM fixes from Andrew Morton:
"28 hotfixes.
23 are cc:stable and the other five address issues which were
introduced during this merge cycle.
20 are for MM and the remainder are for other subsystems"
* tag 'mm-hotfixes-stable-2023-04-07-16-23' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (28 commits)
maple_tree: fix a potential concurrency bug in RCU mode
maple_tree: fix get wrong data_end in mtree_lookup_walk()
mm/swap: fix swap_info_struct race between swapoff and get_swap_pages()
nilfs2: fix sysfs interface lifetime
mm: take a page reference when removing device exclusive entries
mm: vmalloc: avoid warn_alloc noise caused by fatal signal
nilfs2: initialize "struct nilfs_binfo_dat"->bi_pad field
nilfs2: fix potential UAF of struct nilfs_sc_info in nilfs_segctor_thread()
zsmalloc: document freeable stats
zsmalloc: document new fullness grouping
fsdax: force clear dirty mark if CoW
mm/hugetlb: fix uffd wr-protection for CoW optimization path
mm: enable maple tree RCU mode by default
maple_tree: add RCU lock checking to rcu callback functions
maple_tree: add smp_rmb() to dead node detection
maple_tree: fix write memory barrier of nodes once dead for RCU mode
maple_tree: remove extra smp_wmb() from mas_dead_leaves()
maple_tree: fix freeing of nodes in rcu mode
maple_tree: detect dead nodes in mas_start()
maple_tree: be more cautious about dead nodes
...
- fix irq handling in gpio-davinci
- fix Kconfig dependencies for gpio-regmap
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Merge tag 'gpio-fixes-for-v6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
- fix irq handling in gpio-davinci
- fix Kconfig dependencies for gpio-regmap
* tag 'gpio-fixes-for-v6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpio: davinci: Add irq chip flag to skip set wake
gpio: davinci: Do not clear the bank intr enable bit in save_context
gpio: GPIO_REGMAP: select REGMAP instead of depending on it
Fix the ACPI backlight override mechanism for the cases when
acpi_backlight=video is set through the kernel command line or a DMI
quirk and add backlight quirks for Apple iMac14,1 and iMac14,2 and
Lenovo ThinkPad W530 (Hans de Goede).
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Merge tag 'acpi-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"Fix the ACPI backlight override mechanism for the cases when
acpi_backlight=video is set through the kernel command line or a DMI
quirk and add backlight quirks for Apple iMac14,1 and iMac14,2 and
Lenovo ThinkPad W530 (Hans de Goede)"
* tag 'acpi-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: video: Add acpi_backlight=video quirk for Lenovo ThinkPad W530
ACPI: video: Add acpi_backlight=video quirk for Apple iMac14,1 and iMac14,2
ACPI: video: Make acpi_backlight=video work independent from GPU driver
ACPI: video: Add auto_detect arg to __acpi_video_get_backlight_type()
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Merge tag '6.3-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd
Pull ksmbd server fixes from Steve French:
"Four fixes, three for stable:
- slab out of bounds fix
- lock cancellation fix
- minor cleanup to address clang warning
- fix for xfstest 551 (wrong parms passed to kvmalloc)"
* tag '6.3-rc5-ksmbd-server-fixes' of git://git.samba.org/ksmbd:
ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr
ksmbd: delete asynchronous work from list
ksmbd: remove unused is_char_allowed function
ksmbd: do not call kvmalloc() with __GFP_NORETRY | __GFP_NO_WARN
This lock was supposed to be an unlock.
Fixes: 6cc041e90c ("cifs: avoid races in parallel reconnects in smb1")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Currently if disk_scan_partitions() failed, GD_NEED_PART_SCAN will still
set, and partition scan will be proceed again when blkdev_get_by_dev()
is called. However, this will cause a problem that re-assemble partitioned
raid device will creat partition for underlying disk.
Test procedure:
mdadm -CR /dev/md0 -l 1 -n 2 /dev/sda /dev/sdb -e 1.0
sgdisk -n 0:0:+100MiB /dev/md0
blockdev --rereadpt /dev/sda
blockdev --rereadpt /dev/sdb
mdadm -S /dev/md0
mdadm -A /dev/md0 /dev/sda /dev/sdb
Test result: underlying disk partition and raid partition can be
observed at the same time
Note that this can still happen in come corner cases that
GD_NEED_PART_SCAN can be set for underlying disk while re-assemble raid
device.
Fixes: e5cfefa97b ("block: fix scan partition for exclusively open device again")
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Current release - regressions:
- wifi: mac80211:
- fix potential null pointer dereference
- fix receiving mesh packets in forwarding=0 networks
- fix mesh forwarding
Current release - new code bugs:
- virtio/vsock: fix leaks due to missing skb owner
Previous releases - regressions:
- raw: fix NULL deref in raw_get_next().
- sctp: check send stream number after wait_for_sndbuf
- qrtr:
- fix a refcount bug in qrtr_recvmsg()
- do not do DEL_SERVER broadcast after DEL_CLIENT
- wifi: brcmfmac: fix SDIO suspend/resume regression
- wifi: mt76: fix use-after-free in fw features query.
- can: fix race between isotp_sendsmg() and isotp_release()
- eth: mtk_eth_soc: fix remaining throughput regression
-eth: ice: reset FDIR counter in FDIR init stage
Previous releases - always broken:
- core: don't let netpoll invoke NAPI if in xmit context
- icmp: guard against too small mtu
- ipv6: fix an uninit variable access bug in __ip6_make_skb()
- wifi: mac80211: fix the size calculation of ieee80211_ie_len_eht_cap()
- can: fix poll() to not report false EPOLLOUT events
- eth: gve: secure enough bytes in the first TX desc for all TCP pkts
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-6.3-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from wireless and can.
Current release - regressions:
- wifi: mac80211:
- fix potential null pointer dereference
- fix receiving mesh packets in forwarding=0 networks
- fix mesh forwarding
Current release - new code bugs:
- virtio/vsock: fix leaks due to missing skb owner
Previous releases - regressions:
- raw: fix NULL deref in raw_get_next().
- sctp: check send stream number after wait_for_sndbuf
- qrtr:
- fix a refcount bug in qrtr_recvmsg()
- do not do DEL_SERVER broadcast after DEL_CLIENT
- wifi: brcmfmac: fix SDIO suspend/resume regression
- wifi: mt76: fix use-after-free in fw features query.
- can: fix race between isotp_sendsmg() and isotp_release()
- eth: mtk_eth_soc: fix remaining throughput regression
- eth: ice: reset FDIR counter in FDIR init stage
Previous releases - always broken:
- core: don't let netpoll invoke NAPI if in xmit context
- icmp: guard against too small mtu
- ipv6: fix an uninit variable access bug in __ip6_make_skb()
- wifi: mac80211: fix the size calculation of
ieee80211_ie_len_eht_cap()
- can: fix poll() to not report false EPOLLOUT events
- eth: gve: secure enough bytes in the first TX desc for all TCP
pkts"
* tag 'net-6.3-rc6-2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits)
net: stmmac: check fwnode for phy device before scanning for phy
net: stmmac: Add queue reset into stmmac_xdp_open() function
selftests: net: rps_default_mask.sh: delete veth link specifically
net: fec: make use of MDIO C45 quirk
can: isotp: fix race between isotp_sendsmg() and isotp_release()
can: isotp: isotp_ops: fix poll() to not report false EPOLLOUT events
can: isotp: isotp_recvmsg(): use sock_recv_cmsgs() to get SOCK_RXQ_OVFL infos
can: j1939: j1939_tp_tx_dat_new(): fix out-of-bounds memory access
gve: Secure enough bytes in the first TX desc for all TCP pkts
netlink: annotate lockless accesses to nlk->max_recvmsg_len
ethtool: reset #lanes when lanes is omitted
ping: Fix potentail NULL deref for /proc/net/icmp.
raw: Fix NULL deref in raw_get_next().
ice: Reset FDIR counter in FDIR init stage
ice: fix wrong fallback logic for FDIR
net: stmmac: fix up RX flow hash indirection table when setting channels
net: ethernet: ti: am65-cpsw: Fix mdio cleanup in probe
wifi: mt76: ignore key disable commands
wifi: ath11k: reduce the MHI timeout to 20s
ipv6: Fix an uninit variable access bug in __ip6_make_skb()
...
This Kselftest fixes update for Linux 6.3-rc6 consists of one single
fix to mount_setattr_test build failure.
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Merge tag 'linux-kselftest-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull Kselftest fixes from Shuah Khan:
"One single fix to mount_setattr_test build failure"
* tag 'linux-kselftest-fixes-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests mount: Fix mount_setattr_test builds failed
Three bugs found by syzkaller:
- An invalid VA range can be be put in a pages and eventually trigger
WARN_ON, reject it early
- Use of the wrong start index value when doing the complex batch carry
scheme
- Wrong store ordering resulting in corrupting data used in a later
calculation that corrupted the batch structure during carry
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Merge tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd
Pull iommufd fixes from Jason Gunthorpe:
- An invalid VA range can be be put in a pages and eventually trigger
WARN_ON, reject it early
- Use of the wrong start index value when doing the complex batch carry
scheme
- Wrong store ordering resulting in corrupting data used in a later
calculation that corrupted the batch structure during carry
* tag 'for-linus-iommufd' of git://git.kernel.org/pub/scm/linux/kernel/git/jgg/iommufd:
iommufd: Do not corrupt the pfn list when doing batch carry
iommufd: Fix unpinning of pages when an access is present
iommufd: Check for uptr overflow
These are some fixes to make sure the PWM state structure is always
initialized to a known state. Prior to this it could happen in some
situations that random data from the stack would leak into the data
structure and cause subtle bugs.
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Merge tag 'pwm/for-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm
Pull pwm fixes from Thierry Reding:
"These are some fixes to make sure the PWM state structure is always
initialized to a known state.
Prior to this it could happen in some situations that random data from
the stack would leak into the data structure and cause subtle bugs"
* tag 'pwm/for-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm:
pwm: Zero-initialize the pwm_state passed to driver's .get_state()
pwm: meson: Explicitly set .polarity in .get_state()
pwm: sprd: Explicitly set .polarity in .get_state()
pwm: iqs620a: Explicitly set .polarity in .get_state()
pwm: cros-ec: Explicitly set .polarity in .get_state()
pwm: hibvt: Explicitly set .polarity in .get_state()
Mostly i915 fixes: dp mst for compression/dsc, perf ioctl uaf, ctx rpm
accounting, gt reset vs huc loading.
And a few individual driver fixes: ivpu dma fence&suspend, panfrost
mmap, nouveau color depth
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Merge tag 'drm-fixes-2023-04-06' of git://anongit.freedesktop.org/drm/drm
Pull drm fixes from Daniel Vetter:
"Mostly i915 fixes: dp mst for compression/dsc, perf ioctl uaf, ctx rpm
accounting, gt reset vs huc loading.
And a few individual driver fixes: ivpu dma fence&suspend, panfrost
mmap, nouveau color depth"
* tag 'drm-fixes-2023-04-06' of git://anongit.freedesktop.org/drm/drm:
accel/ivpu: Fix S3 system suspend when not idle
accel/ivpu: Add dma fence to command buffers only
drm/i915: Fix context runtime accounting
drm/i915: fix race condition UAF in i915_perf_add_config_ioctl
drm/i915: Use compressed bpp when calculating m/n value for DP MST DSC
drm/i915/huc: Cancel HuC delayed load timer on reset.
drm/i915/ttm: fix sparse warning
drm/panfrost: Fix the panfrost_mmu_map_fault_addr() error path
drm/nouveau/disp: Support more modes by checking with lower bpc
The majority of changes here are various fixes for Intel drivers,
while there is a change in ASoC PCM core for the format constraints.
In addition, a workaround for HD-audio HDMI regressions and usual
HD-audio quirks are found.
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Merge tag 'sound-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"The majority of changes here are various fixes for Intel drivers,
and there is a change in ASoC PCM core for the format constraints.
In addition, a workaround for HD-audio HDMI regressions and usual
HD-audio quirks are found"
* tag 'sound-6.3-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/hdmi: Preserve the previous PCM device upon re-enablement
ALSA: hda/realtek: Add quirk for Clevo X370SNW
ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook
ASoC: SOF: avoid a NULL dereference with unsupported widgets
ASoC: da7213.c: add missing pm_runtime_disable()
ASoC: hdac_hdmi: use set_stream() instead of set_tdm_slots()
ASoC: codecs: lpass: fix the order or clks turn off during suspend
ASoC: Intel: bytcr_rt5640: Add quirk for the Acer Iconia One 7 B1-750
ASoC: SOF: ipc4: Ensure DSP is in D0I0 during sof_ipc4_set_get_data()
ASoC: amd: yc: Add DMI entries to support Victus by HP Laptop 16-e1xxx (8A22)
ASoC: soc-pcm: fix hw->formats cleared by soc_pcm_hw_init() for dpcm
ASoC: Intel: soc-acpi: add table for Intel 'Rooks County' NUC M15
ASOC: Intel: sof_sdw: add quirk for Intel 'Rooks County' NUC M15
Highlights:
- more think-lmi fixes
- 1 DMI quirk addition
The following is an automated git shortlog grouped by driver:
think-lmi:
- Clean up display of current_value on Thinkstation
- Fix memory leaks when parsing ThinkStation WMI strings
- Fix memory leak when showing current settings
thinkpad_acpi:
- Add missing T14s Gen1 type to s2idle quirk list
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Merge tag 'platform-drivers-x86-v6.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
- more think-lmi fixes
- one DMI quirk addition
* tag 'platform-drivers-x86-v6.3-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: thinkpad_acpi: Add missing T14s Gen1 type to s2idle quirk list
platform/x86: think-lmi: Clean up display of current_value on Thinkstation
platform/x86: think-lmi: Fix memory leaks when parsing ThinkStation WMI strings
platform/x86: think-lmi: Fix memory leak when showing current settings
These are minor fixes to address false-positive build warnings:
Some of the less common I/O accessors are missing __force casts and
cause sparse warnings for their implied byteswap, and a recent change
to __generic_cmpxchg_local() causes a warning about constant integer
truncation.
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Merge tag 'asm-generic-fixes-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull asm-generic fixes from Arnd Bergmann:
"These are minor fixes to address false-positive build warnings:
Some of the less common I/O accessors are missing __force casts and
cause sparse warnings for their implied byteswap, and a recent change
to __generic_cmpxchg_local() causes a warning about constant integer
truncation"
* tag 'asm-generic-fixes-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
asm-generic: avoid __generic_cmpxchg_local warnings
asm-generic/io.h: suppress endianness warnings for relaxed accessors
asm-generic/io.h: suppress endianness warnings for readq() and writeq()
Some DT devices already have phy device configured in the DT/ACPI.
Current implementation scans for a phy unconditionally even though
there is a phy listed in the DT/ACPI and already attached.
We should check the fwnode if there is any phy device listed in
fwnode and decide whether to scan for a phy to attach to.
Fixes: fe2cfbc968 ("net: stmmac: check if MAC needs to attach to a PHY")
Reported-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/lkml/20230403212434.296975-1-martin.blumenstingl@googlemail.com/
Tested-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Shahab Vahedi <shahab@synopsys.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Suggested-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: Michael Sit Wei Hong <michael.wei.hong.sit@intel.com>
Link: https://lore.kernel.org/r/20230406024541.3556305-1-michael.wei.hong.sit@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Syzkaller report a WARNING: "WARN_ON(!direct)" in modify_ftrace_direct().
Root cause is 'direct->addr' was changed from 'old_addr' to 'new_addr' but
not restored if error happened on calling ftrace_modify_direct_caller().
Then it can no longer find 'direct' by that 'old_addr'.
To fix it, restore 'direct->addr' to 'old_addr' explicitly in error path.
Link: https://lore.kernel.org/linux-trace-kernel/20230330025223.1046087-1-zhengyejian1@huawei.com
Cc: stable@vger.kernel.org
Cc: <mhiramat@kernel.org>
Cc: <mark.rutland@arm.com>
Cc: <ast@kernel.org>
Cc: <daniel@iogearbox.net>
Fixes: 8a141dd7f7 ("ftrace: Fix modify_ftrace_direct.")
Signed-off-by: Zheng Yejian <zhengyejian1@huawei.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
The alignment mask in swiotlb_do_find_slots() masks off the high
bits which are not relevant for the alignment, so multiple
requirements are combined with a bitwise OR rather than AND.
In plain English, the stricter the alignment, the more bits must
be set in iotlb_align_mask.
Confusion may arise from the fact that the same variable is also
used to mask off the offset within a swiotlb slot, which is
achieved with a bitwise AND.
Fixes: 0eee5ae102 ("swiotlb: fix slot alignment checks")
Reported-by: Dexuan Cui <decui@microsoft.com>
Link: https://lore.kernel.org/all/CAA42JLa1y9jJ7BgQvXeUYQh-K2mDNHd2BYZ4iZUz33r5zY7oAQ@mail.gmail.com/
Reported-by: Kelsey Steele <kelseysteele@linux.microsoft.com>
Link: https://lore.kernel.org/all/20230405003549.GA21326@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net/
Signed-off-by: Petr Tesarik <petr.tesarik.ext@huawei.com>
Tested-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
- fix discard support without oncs (Keith Busch)
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Merge tag 'nvme-6.3-2023-04-06' of git://git.infradead.org/nvme into block-6.3
Pull NVMe fix from Christoph:
"nvme fixes for Linux 6.3
- fix discard support without oncs (Keith Busch)"
* tag 'nvme-6.3-2023-04-06' of git://git.infradead.org/nvme:
nvme: fix discard support without oncs
block size is one very key setting for block layer, and bad block size
could panic kernel easily.
Make sure that block size is set correctly.
Meantime if ublk_validate_params() fails, clear ub->params so that disk
is prevented from being added.
Fixes: 71f28f3136 ("ublk_drv: add io_uring based userspace block driver")
Reported-and-tested-by: Breno Leitao <leitao@debian.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Since SQE memory is shared with userspace, we should only be reading it
once. We cannot read it multiple times, particularly when it's read once
for validation and then read again for the actual use.
ublk_ch_uring_cmd() is safe when called as a retry operation, as the
memory backing is stable at that point. But for normal issue, we want
to ensure that we only read ublksrv_io_cmd once. Wrap the function in
a helper that reads the value into an on-stack copy of the struct.
Cc: stable@vger.kernel.org # 6.0+
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
