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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-28-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-27-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-26-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-25-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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|
Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-24-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-23-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-22-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-21-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-20-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-19-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-18-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-17-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-16-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-15-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-14-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-13-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-12-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-11-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-10-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-9-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
|
|
Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: William Zhang <william.zhang@broadcom.com>
Link: https://patch.msgid.link/20260803142003.12857-8-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: William Zhang <william.zhang@broadcom.com>
Link: https://patch.msgid.link/20260803142003.12857-7-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-6-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-5-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-4-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use #ifdef guards.
This has the advantage of always compiling these functions in,
independently of any Kconfig option. Thanks to that, bugs and other
regressions are subsequently easier to catch.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-3-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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Use the modern PM macros for the suspend and resume functions to be
automatically dropped by the compiler when CONFIG_PM or
CONFIG_PM_SLEEP are disabled, without having to use __maybe_unused.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Link: https://patch.msgid.link/20260803142003.12857-2-jszhang@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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During fuzz testing, the following issue was discovered:
BUG: KMSAN: uninit-value in __dma_map_sg_attrs+0x217/0x310
__dma_map_sg_attrs+0x217/0x310
dma_map_sg_attrs+0x4a/0x70
ata_qc_issue+0x9f8/0x1420
__ata_scsi_queuecmd+0x1657/0x1740
ata_scsi_queuecmd+0x79a/0x920
scsi_queue_rq+0x4472/0x4f40
blk_mq_dispatch_rq_list+0x1cca/0x3ee0
__blk_mq_sched_dispatch_requests+0x458/0x630
blk_mq_sched_dispatch_requests+0x15b/0x340
__blk_mq_run_hw_queue+0xe5/0x250
__blk_mq_delay_run_hw_queue+0x138/0x780
blk_mq_run_hw_queue+0x4bb/0x7e0
blk_mq_sched_insert_request+0x2a7/0x4c0
blk_execute_rq+0x497/0x8a0
sg_io+0xbe0/0xe20
scsi_ioctl+0x2b36/0x3c60
sr_block_ioctl+0x319/0x440
blkdev_ioctl+0x80f/0xd70
__se_sys_ioctl+0x219/0x420
__x64_sys_ioctl+0x93/0xe0
x64_sys_call+0x1d6c/0x3ad0
do_syscall_64+0x4c/0xa0
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
Uninit was created at:
__alloc_pages+0x5c0/0xc80
alloc_pages+0xe0e/0x1050
blk_rq_map_user_iov+0x2b77/0x6100
blk_rq_map_user_io+0x2fa/0x4d0
sg_io+0xad6/0xe20
scsi_ioctl+0x2b36/0x3c60
sr_block_ioctl+0x319/0x440
blkdev_ioctl+0x80f/0xd70
__se_sys_ioctl+0x219/0x420
__x64_sys_ioctl+0x93/0xe0
x64_sys_call+0x1d6c/0x3ad0
do_syscall_64+0x4c/0xa0
entry_SYSCALL_64_after_hwframe+0x6e/0xd8
Bytes 14-15 of 16 are uninitialized
Memory access of size 16 starts at ffff88800cbdb000
When processing the last unaligned element of the scatterlist, it is
supplemented with missing bytes in the amount of pad_len. These bytes
remain uninitialized, which leads to a problem.
Extend last_sg->length by pad_len first, then use sg_zero_buffer() to
zero those pad_len bytes. sg_zero_buffer() uses sg_miter internally,
which correctly handles sg entries spanning multiple pages and padding
that crosses a page boundary.
Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Fixes: 40b01b9bbdf5 ("block: update bio according to DMA alignment padding")
Cc: stable@vger.kernel.org
Signed-off-by: Petr Vaganov <p.vaganov@ideco.ru>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20260628185229.37957-1-p.vaganov@ideco.ru
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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Heiko Carstens <hca@linux.ibm.com> says:
Enable CONTEXT_ANALYSYS for the zfcp driver.
Static code checking for acquiring and releasing locks used to be done
with sparse. That was removed with [1] and replaced with a clang based
approach [2]. The new approach requires that each subsystem needs to
be explicitly enabled for checking.
Do that for drivers/s390/scsi. Add a __must_hold() attribute to
zfcp_qdio_sbal_get() to address the only valid warning. Then enable
CONTEXT_ANALYSIS, similar to other patches for drivers/s390 I'm
currently working on.
Link: https://patch.msgid.link/20260806134759.2122369-1-hca@linux.ibm.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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Merge updates of the ACPI processor, EC, fan, and battery drivers for
7.3-rc1:
- Unregister the cpufreq notifier on init failure in the ACPI processor
driver (Can Peng)
- Validate MADT IOAPIC entry bounds during IOAPIC hotplug lookup in the
ACPI processor driver (Pengpeng Hou)
- Avoid _REG disconnect on probe deferrals related to GPIO IRQ in the
ACPI EC driver (Zhu Ling)
- Use a correct function parameter name in kernel-doc in the ACPI fan
driver (Randy Dunlap)
- Update ACPI fan IDs to follow modern style and clean up header file
inclusions in the ACPI fan driver (Andy Shevchenko)
- Use devm_acpi_install_notify_handler() to replace a custom open-coded
devres-based management of an ACPI notify handler in the ACPI fan
driver (Rafael Wysocki)
- Adjust charging status validation check in the ACPI battery driver to
avoid incorrect status reporting (Rafael Wysocki)
- Merge consecutive battery notifications in the ACPI battery driver to
reduce the pressure on STA, _BST and _BIX/_BIF ACPI control methods
and make that driver use kstrtoul() instead of sscanf("%lu\n") (Rong
Zhang)
- Sanitise model_number in the ACPI battery driver by dropping
unprintable characters (Kate Hsuan)
* acpi-processor:
ACPI: processor: Unregister cpufreq notifier on init failure
ACPI: processor: validate MADT IOAPIC entry bounds
* acpi-ec:
ACPI: EC: Avoid _REG disconnect on GPIO IRQ defer
* acpi-fan:
ACPI: fan: Use correct function parameter name in kernel-doc
ACPI: fan: Update ACPI fan IDs to follow modern style
ACPI: fan: Don't use "proxy" headers
ACPI: fan: Use devm_acpi_install_notify_handler()
* acpi-battery:
ACPI: battery: Adjust charging status validation check
ACPI: battery: Use kstrtoul() over sscanf("%lu\n")
ACPI: battery: Merge consecutive battery notifications
ACPI: battery: Sanitise model_number by dropping unprintable characters
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The zfcp driver passes clang's compile time context analysis. Therefore
enable CONTEXT_ANALYSIS.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://patch.msgid.link/20260806134759.2122369-3-hca@linux.ibm.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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Add __must_hold() attribute to zfcp_qdio_sbal_get() in order to let
clang's context analysis know that qdio->req_q_wq must be held on
function entry. This is also documented above the function. Without this
annotation this leads to a valid warning when context analysis is
enabled:
drivers/s390/scsi/zfcp_qdio.c:287:8: warning:
expecting spinlock '->req_q_lock' to be held at start of each loop [-Wthread-safety-analysis]
287 | ret = wait_event_interruptible_lock_irq_timeout(qdio->req_q_wq,
| ^
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Link: https://patch.msgid.link/20260806134759.2122369-2-hca@linux.ibm.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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fnic_fcoe_process_vlan_resp() allocates a VLAN descriptor with
kzalloc_obj() (default GFP_KERNEL) while holding vlans_lock via
spin_lock_irqsave(). GFP_KERNEL may sleep, which is not allowed in this
atomic context and can trigger a sleeping-from-invalid-context warning
or deadlock.
Pass GFP_ATOMIC so the allocation is safe under the IRQ-safe spinlock.
Fixes: 098585aa8aca ("scsi: fnic: Add and integrate support for FIP")
Cc: stable@vger.kernel.org
Signed-off-by: Linkai Gong <gonglinkai@kylinos.cn>
Reviewed-by: Karan Tilak Kumar <kartilak@cisco.com>
Link: https://patch.msgid.link/20260731073820.16449-1-gonglinkai@kylinos.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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The Fibre Channel transport topology created by storvsc exposes only one
dummy remote port per SCSI host. Its scsi_target_id is always zero.
As a result, the FC transport user-scan path looks up the remote port
using target ID 0. It cannot initiate a scan for Target 1 or higher. No
SCSI command is therefore sent to Hyper-V when userspace explicitly
requests a scan of one of these targets.
storvsc itself supports up to STORVSC_FC_MAX_TARGETS and already passes
scmnd->device->id to Hyper-V as vm_srb->target_id. Devices on Target 1
and higher work when initially discovered. They can also be rediscovered
by a full host scan, such as the scan triggered after an FC port bounce.
Provide a storvsc-specific user_scan callback that uses the exported
scsi_scan_target() interface. Iterate over the requested channel and
target ranges so that wildcard and explicitly addressed scans retain the
expected SCSI sysfs scan semantics.
This bypasses the single-rport lookup in fc_user_scan() and allows
userspace to explicitly scan any target supported by storvsc without
requiring one synthetic fc_rport for every Hyper-V target.
Signed-off-by: Laurence Oberman <loberman@redhat.com>
Link: https://patch.msgid.link/20260723163743.1274830-1-loberman@redhat.com
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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When hardware memory corruption occurs and a user process accesses the
corrupted page, the CPU triggers a Synchronous External Abort (SEA).
The kernel invokes do_sea() to handle the exception, which calls
memory_failure() to handle the faulty page.
Scenario 1: Memory Error Interrupt First, then SEA
The page is already poisoned by the memory error interrupt path. The
subsequent SEA handler sends a SIGBUS to the task, which accesses the
poisoned page. This flow is correct.
Scenario 2: SEA first, then memory error interrupt (problematic scenario)
If a user task directly accesses corrupted memory through a PFNMAP-style
mapping (e.g., devmem), the page may still be in the free-buddy state when
SEA is handled. In this case, memory_failure() will poison the page without
invoking kill_accessing_process(), and then takes the free-buddy recovery
path.
After the CPU returns to the task context, the task re-enters the SEA
handler due to the same access. However, ghes_estatus_cached() suppresses
all subsequent entries during the 10-second window, preventing
ghes_do_proc() from being called. This suppression blocks the
MF_ACTION_REQUIRED-based SIGBUS delivery, causing the kernel to fail to
kill the task immediately. Consequently, the process keeps re-entering
the SEA handler, leading to an SEA storm. Later, the memory error
interrupt path also cannot kill the task, leaving the system stuck in
this repeated loop.
The following error logs are explained using the devmem process:
NOTICE: SEA Handle
[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 9
[Hardware Error]: event severity: recoverable
[Hardware Error]: section_type: ARM processor error
[Hardware Error]: physical fault address: 0x0000001000093c00
[T54990] Memory failure: 0x1000093: recovery action for free buddy page: Recovered
[ T9955] EDAC MC0: 1 UE Multi-bit ECC on unknown memory
(page:0x1000093 offset:0xc00 grain:1 - APEI location: ...)
NOTICE: SEA Handle
NOTICE: SEA Handle
...
... ---> SEA storm
...
NOTICE: SEA Handle
[ T9955] Memory failure: 0x1000093: already hardware poisoned
ghes_print_estatus: 1 callbacks suppressed
[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 9
[Hardware Error]: event severity: recoverable
[Hardware Error]: section_type: ARM processor error
[Hardware Error]: physical fault address: 0x0000001000093c00
[T54990] Memory failure: 0x1000093: already hardware poisoned
[T54990] 0x1000093: Sending SIGBUS to devmem:54990 due to hardware memory corruption
To resolve this, return an error when encountering the same SEA again.
The subsequent SEA handler invocation uses arm64_notify_die() to send a
SIGBUS signal to the task, which terminates the process and prevents it
from re-entering the handler loop.
Signed-off-by: Junhao He <hejunhao3@h-partners.com>
Reviewed-by: Wupeng Ma <mawupeng1@huawei.com>
Reviewed-by: Shuai Xue <xueshuai@linux.alibaba.com>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Link: https://patch.msgid.link/20260527082707.2013499-1-hejunhao3@h-partners.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The ACPI specification defines bits 63:32 returned by
GET_EXECUTE_OPERATION_TIMINGS as the maximum execution time in
microseconds. erst_get_timeout() instead multiplies the value by
NSEC_PER_MSEC.
Use NSEC_PER_USEC to express the firmware-provided microsecond timeout
in the nanosecond units expected by erst_timedout().
Fixes: fac475aab70b ("ACPI: APEI: Use ERST timeout for slow devices")
Cc: stable@vger.kernel.org
Signed-off-by: Nirmoy Das <nirmoyd@nvidia.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Link: https://patch.msgid.link/20260721182551.2434933-1-nirmoyd@nvidia.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Several HWRM commands carry __le64 DMA address fields in their input
structures; firmware reads from or writes to the memory those addresses
point to.
Have a static per-command descriptor table in the driver that records
the details of the DMA fields in each supported HWRM input struct. When
a DMA-bearing HWRM command arrives, the driver reads the userspace
pointer out of each declared address field and clears the field, allocates
a DMA-coherent kernel buffer sized from the command's own length
information, copies data to/from the userspace pointer, and patches the
field with the real DMA bus address before the command is sent to firmware.
Responses are copied back to the original userspace pointer afterward.
Scope-gated allow-list and timeout value list are updated with the new
the commands.
Signed-off-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Link: https://patch.msgid.link/20260807125846.45570-3-pavan.chebbi@broadcom.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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sd_done() sense gate"
Yang Xiuwei <yangxiuwei@kylinos.cn> says:
This series fixes three resource-handling bugs in drivers/scsi/sd.c:
sd_probe() error cleanup, special_vec mempool leak on prep failure,
and sd_done() sense handling.
v1: https://lore.kernel.org/all/20260623100159.4018066-1-yangxiuwei@kylinos.cn/
Link: https://patch.msgid.link/20260707030333.22245-1-yangxiuwei@kylinos.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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Only enter the sense_key switch when the command returned CHECK
CONDITION with valid, non-deferred sense. The old condition let deferred
or invalid sense fall through and mis-handle the I/O.
Fixes: 03aba2f79594 ("[SCSI] sd/scsi_lib simplify sd_rw_intr and scsi_io_completion")
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Yang Xiuwei <yangxiuwei@kylinos.cn>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Link: https://patch.msgid.link/20260707030333.22245-4-yangxiuwei@kylinos.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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sd_set_special_bvec() allocates a special payload page for UNMAP and
WRITE SAME commands. If scsi_alloc_sgtables() fails afterward in
sd_setup_unmap_cmnd() or sd_setup_write_same{10,16}_cmnd(), the SCSI
midlayer does not call uninit_command() because RQF_DONTPREP is not set
yet, leaking the page.
Call sd_uninit_command() on error, and clear RQF_SPECIAL_PAYLOAD after
freeing the page.
Fixes: 81d926e8b552 ("sd: split sd_setup_discard_cmnd")
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Yang Xiuwei <yangxiuwei@kylinos.cn>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://patch.msgid.link/20260707030333.22245-3-yangxiuwei@kylinos.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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After device_add(&sdkp->disk_dev) succeeds, sd_large_pool_create()
failure must unregister disk_dev and let scsi_disk_release() free
sdkp. Going through out_free_index kfree()s an already registered device
and leaks the sysfs entry.
Fixes: 7179e626b76e ("scsi: sd: Enable sector size > PAGE_SIZE in SCSI sd driver")
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Yang Xiuwei <yangxiuwei@kylinos.cn>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Link: https://patch.msgid.link/20260707030333.22245-2-yangxiuwei@kylinos.cn
Signed-off-by: Martin K. Petersen (Oracle) <mkp@kernel.org>
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The USB receive path trusts the block header to contain the required
number of bytes and passes it to the reassembly routine. The routine
also trusts a malformed HCI packet type and can append more data than
the skb allocated from the advertised packet length. A malformed USB
transfer can therefore cause out-of-bounds reads or an skb tail
overwrite.
Validate block header availability, declared block size, packet type,
and reassembly tailroom. Drop the partial frame on an invalid block.
Signed-off-by: Li Qiang <liqiang01@kylinos.cn>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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The reset path had two concurrency holes. Both are reachable in
practice when btintel_pcie_hw_error() is invoked from the HCI rx
path while another reset is being requested or is already in
flight.
1. data->reset_type was a plain shared field. The hw_error path
wrote it BEFORE the test_and_set_bit(RECOVERY_IN_PROGRESS)
guard inside btintel_pcie_reset(), so a second hw_error could
clobber the type chosen by an earlier in-flight request:
CPU0 (reset_work) CPU1 (hw_error #2)
dev_data->reset_type = PLDR
T2: read reset_type
dev_data->reset_type = FLR
reset() test_and_set sees 1
-> drops, but type already
clobbered
The hdev->reset callback (.reset = btintel_pcie_reset,
invoked via the sysfs reset attribute
/sys/class/bluetooth/hciX/reset and from hci_cmd_timeout())
compounded this by not writing reset_type at all -- it
inherited whatever value a previous hw_error / resume() had
left, which could be PLDR.
2. btintel_pcie_dump_debug_registers() was called unconditionally
at the top of hw_error(). When reset_work was already running
pci_try_reset_function(), the BT MMIO window can read all-1s
or trigger AER for the duration of the FLR, polluting the
debug dump with no useful information.
Refactor the reset path to make RECOVERY_IN_PROGRESS the sole
serializer for both the type write and the work scheduling:
- Replace btintel_pcie_reset(hdev) with
btintel_pcie_request_reset(data, type). The helper takes the
desired reset variant as a parameter and writes
data->reset_type only after winning test_and_set_bit(); losers
return without touching the field, so concurrent triggers can
no longer clobber an in-flight reset's type. reset_work()'s
read of reset_type is now ordered after the bit transition via
schedule_work()'s memory barrier.
- Add a thin btintel_pcie_hci_reset() wrapper for the
hdev->reset callback (invoked via the sysfs reset attribute
/sys/class/bluetooth/hciX/reset and from hci_cmd_timeout())
that always requests FLR explicitly, so these paths no longer
inherit stale state from prior error events.
- Add an early test_bit(RECOVERY_IN_PROGRESS) gate at the top of
hw_error() so dump_debug_registers() and the recovery-counter
bookkeeping are skipped when a reset is already in flight; the
authoritative test_and_set lives in request_reset() and races
cleanly against any caller that passes the optimistic check.
- Convert the two resume() reset sites (FREEZE/HIBERNATE and the
D0-error path) to request_reset(data, FLR), removing the
redundant manual reset_type writes.
Assisted-by: GitHub-Copilot:claude-4.7-opus
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Wiko Hi MateBook 14 Ryzen 200 laptops (DMI system-product-name
"MNCA-XX", board "M1060") are equipped with an RTL8852BE Wi-Fi/BT
combo chip (rtw89_8852be), whose Bluetooth radio enumerates as
1357:c123 instead of one of the already-supported 1358:c123 / 0bda:c123
identifiers, presumably due to OEM rebranding. Without a matching
entry it only matches the generic USB Bluetooth class fallback, so the
Realtek firmware/config (rtl8852btu_fw.bin / rtl8852btu_config.bin) is
never loaded and the adapter cannot discover or connect to any device,
even though hciconfig reports it as powered and scanning.
Device descriptor:
idVendor 0x1357
idProduct 0xc123
bcdDevice 0.00
iManufacturer 1 Realtek
iProduct 2 Bluetooth Radio
bDeviceClass 224 Wireless
bDeviceSubClass 1 Radio Frequency
bDeviceProtocol 1 Bluetooth
Adding the same BTUSB_REALTEK | BTUSB_WIDEBAND_SPEECH quirk already
used for 1358:c123 and 0bda:c123 fixes firmware loading and normal
operation.
Signed-off-by: Pavel Zverev <playximik29@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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btintel_pcie_coredump_worker() handled three unrelated jobs in one
work item: collect a DRAM trace coredump, read the hardware exception
event, and read the firmware-trigger event. The worker walked three
flag bits at runtime and each interrupt path mutated multiple bits
to communicate which sub-jobs the worker should run, which made the
ownership rules for those bits hard to reason about and entangled
the trigger reason with the in-progress accounting.
Replace the single combined worker with three single-purpose ones,
each owning exactly one flag:
coredump_work -> btintel_pcie_dump_traces()
guarded by COREDUMP_INPROGRESS
hwexp_work -> btintel_pcie_read_hwexp()
guarded by CORE_HALTED (already permanent until
re-probe; HWEXP_INPROGRESS is now redundant
and removed)
fwtrigger_work -> btintel_pcie_dump_fwtrigger_event()
guarded by FWTRIGGER_DUMP_INPROGRESS
All three workers are queued on a shared ordered workqueue (renamed
coredump_workqueue -> dump_workqueue) so a companion event reader
(hwexp/fwtrigger) and the coredump always run FIFO. Companion work
is queued before coredump_work so dmp_hdr.event_type/event_id are
populated by the time dump_traces() consumes them, preserving the
original ordering.
Introduce btintel_pcie_queue_coredump() to centralize the coredump
trigger contract: it is the single writer of COREDUMP_INPROGRESS and
of dmp_hdr.trigger_reason, sets both atomically against concurrent
triggers, and rolls back the bit if the workqueue is disabled
(reset/remove in progress) so a later trigger after re-probe can
succeed. All four trigger sites (HWEXP IRQ, FW-trigger IRQ,
devcoredump user trigger, resume() D0 error path) go through the
helper.
Per-work guard bits are now cleared at the tail of each worker
rather than in the middle of the combined worker, which closes a
subtle race where a duplicate IRQ could observe a cleared bit and
requeue while the previous pass was still finalizing
dev_coredumpv().
reset_work() and remove() now disable_work_sync() all three workers
and, on the FLR-failure path, enable_work() all three to keep their
disable counters balanced. The PLDR/FLR-success contract (re-probe
re-INIT_WORKs everything with counter 0) is preserved.
No functional change to the dump payloads; this is a pure
restructuring of the worker dispatch and its synchronization.
Signed-off-by: Kiran K <kiran.k@intel.com>
Assisted-by: GitHub-Copilot:claude-4.7-opus
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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In nxp_serdev_probe(), if hci_register_dev() succeeds but ps_setup()
fails, the error path jumps to 'probe_fail' which only calls
hci_free_dev() and asserts the reset GPIO, but does NOT call
hci_unregister_dev() first.
This leaves the HCI device registered in the system with its backing
memory freed, leading to a use-after-free when userspace subsequently
accesses the device (e.g. via hciconfig or bluetoothd).
Fix by adding a 'probe_fail_unregister' label that calls
hci_unregister_dev() before falling through to the existing
'probe_fail' label. The original 'probe_fail' label is preserved
for the case where hci_register_dev() itself fails (device was
never registered, so no unregister is needed).
Signed-off-by: Zhao Dongdong <zhaodongdong@kylinos.cn>
Reviewed-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Add the vendor/product ID (0x0b05, 0x1d70) to the usb_device_id table for
the Realtek RTL8761CU-based ASUS USB-BT600 adapter. It binds via the
generic Bluetooth class today, so BTUSB_REALTEK is never set and the
rtl8761cu firmware is not loaded, leaving the controller non-functional.
With the entry the driver loads rtl_bt/rtl8761cu_fw.bin (already shipped by
linux-firmware) and the adapter works (tested: A2DP and ASHA).
Similar to commit bc597f0cc44f
("Bluetooth: btusb: Add TP-Link UB600 for Realtek 8761BUV").
Device info from /sys/kernel/debug/usb/devices:
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 23 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0b05 ProdID=1d70 Rev= 2.00
S: Manufacturer=Realtek
S: Product=Bluetooth Controller
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=1ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Zwerschke <cito@online.de>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Add the vendor/product ID (0x0b05, 0x1bef) to the usb_device_id table for
the Realtek RTL8761CU-based ASUS USB-BT540 adapter. It binds via the
generic Bluetooth class today, so BTUSB_REALTEK is never set and the
rtl8761cu firmware is not loaded, leaving the controller non-functional.
With the entry the driver loads rtl_bt/rtl8761cu_fw.bin (already shipped by
linux-firmware) and the adapter works (tested: A2DP and ASHA).
Similar to commit bc597f0cc44f
("Bluetooth: btusb: Add TP-Link UB600 for Realtek 8761BUV").
Device info from /sys/kernel/debug/usb/devices:
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 22 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=0b05 ProdID=1bef Rev= 2.00
S: Manufacturer=Realtek
S: Product=Bluetooth Controller
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=1ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Zwerschke <cito@online.de>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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nokia_setup_fw() walks a length-prefixed firmware stream and
decodes HCI command packets from each record.
Check that each record fits in the remaining firmware image, that command
records contain the HCI command header, and that the payload length is
covered before submitting the command.
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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Add the USB ID (13d3:3503) for the IMC Networks Qualcomm Atheros
QCA9377 Bluetooth controller to the btusb quirks table. This device
requires Qualcomm Rome firmware and wideband speech support to function
properly; otherwise, BLE scanning fails with HCI unexpected event
opcode 0x2005 errors.
The device reports the following in /sys/kernel/debug/usb/devices:
P: Vendor=13d3 ProdID=3503 Rev= 0.01
C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms
E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
Signed-off-by: Tibor Harcsa <silurust@gmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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