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linux-stable/drivers/acpi
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Rafael J. Wysocki a43d6b3cbd ACPI: EC: Reference count query handlers under lock 
[ Upstream commit 3df663a147 ]

There is a race condition in acpi_ec_get_query_handler()
theoretically allowing query handlers to go away before refernce
counting them.

In order to avoid it, call kref_get() on query handlers under
ec->mutex.

Also simplify the code a bit while at it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:12:31 +02:00
..
acpica ACPICA: Do not increment operation_region reference counts for field units 2020-08-21 09:48:06 +02:00
apei x86/mm: split vmalloc_sync_all() 2020-04-02 16:34:20 +02:00
arm64 ACPI/IORT: Fix off-by-one check in iort_dev_find_its_id() 2019-08-16 10:13:54 +02:00
dptf License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfit acpi/nfit: Fix bus command validation 2020-04-13 10:34:36 +02:00
pmic ACPI / PMIC: xpower: Fix TS-pin current-source handling 2019-01-16 22:07:12 +01:00
x86 x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:18:42 +02:00
ac.c
acpi_amba.c
acpi_apd.c ACPI: APD: Fix HID for Hisilicon Hip07/08 2017-07-30 14:33:48 +02:00
acpi_cmos_rtc.c
acpi_configfs.c ACPI: configfs: Unload SSDT on configfs entry removal 2017-06-22 02:43:12 +02:00
acpi_dbg.c ACPI: fix whitespace in pr_fmt() to align log entries 2017-06-22 02:18:20 +02:00
acpi_extlog.c
acpi_ipmi.c
acpi_lpat.c ACPI / lpat: Fix typos in comments and kerneldoc style 2017-07-24 22:52:00 +02:00
acpi_lpss.c ACPI / LPSS: Ignore acpi_device_fix_up_power() return value 2019-12-05 15:37:15 +01:00
acpi_memhotplug.c mm/memory_hotplug: make add_memory() take the device_hotplug_lock 2019-12-01 09:13:57 +01:00
acpi_pad.c ACPI: acpi_pad: Fix memory leak in power saving threads 2018-05-30 07:52:27 +02:00
acpi_platform.c ACPI / platform: Add SMB0001 HID to forbidden_id_list 2018-11-27 16:10:51 +01:00
acpi_pnp.c
acpi_processor.c ACPI / processor: don't print errors for processorIDs == 0xff 2019-10-05 12:47:49 +02:00
acpi_video.c ACPI: video: Add new hw_changes_brightness quirk, set it on PB Easynote MZ35 2019-10-05 12:47:38 +02:00
acpi_watchdog.c ACPI: watchdog: Allow disabling WDAT at boot 2020-03-20 10:54:23 +01:00
battery.c ACPI: make device_attribute const 2017-08-24 03:38:25 +02:00
battery.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bgrt.c ACPI: BGRT: constify attribute_group structures 2017-07-04 22:15:20 +02:00
blacklist.c ACPI: blacklist: fix clang warning for unused DMI table 2019-08-06 19:05:22 +02:00
bus.c ACPI: bus: Fix NULL pointer check in acpi_bus_get_private_data() 2019-12-17 20:39:36 +01:00
button.c ACPI / button: make module loadable when booted in non-ACPI mode 2018-05-09 09:51:49 +02:00
cm_sbs.c
container.c
cppc_acpi.c ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe() 2020-06-20 10:25:01 +02:00
custom_method.c ACPI: custom_method: fix memory leaks 2019-10-05 12:47:59 +02:00
debugfs.c
device_pm.c ACPI: PM: Avoid using power resources if there are none for D0 2020-06-20 10:25:01 +02:00
device_sysfs.c ACPI / device_sysfs: Avoid OF modalias creation for removed device 2019-03-23 14:35:19 +01:00
dock.c ACPI / dock: constify attribute_group structure 2017-08-03 23:28:24 +02:00
ec.c ACPI: EC: Reference count query handlers under lock 2020-10-01 13:12:31 +02:00
ec_sys.c ACPI: EC: Fix debugfs_create_*() usage 2018-04-12 12:32:15 +02:00
event.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
evged.c ACPI: GED: use correct trigger type field in _Exx / _Lxx handling 2020-06-20 10:25:06 +02:00
fan.c
glue.c
hed.c
internal.h ACPI: EC: Fix debugfs_create_*() usage 2018-04-12 12:32:15 +02:00
ioapic.c ACPI: fix whitespace in pr_fmt() to align log entries 2017-06-22 02:18:20 +02:00
irq.c ACPI / irq: Fix return code of acpi_gsi_to_irq() 2017-07-12 13:11:49 +02:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
numa.c ACPI: NUMA: Use correct type for printing addresses on i386-PAE 2019-02-20 10:20:48 +01:00
nvs.c
osi.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
osl.c ACPI: OSL: only free map once in osl.c 2019-12-17 20:39:36 +01:00
pci_irq.c ACPI / PCI: fix acpi_pci_irq_enable() memory leak 2019-10-05 12:48:00 +02:00
pci_link.c
pci_mcfg.c
pci_root.c PCI/ACPI: Correct error message for ASPM disabling 2019-11-20 18:00:05 +01:00
pci_slot.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
power.c ACPI: power: Skip duplicate power resource references in _PRx 2019-01-16 22:07:11 +01:00
proc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
processor_core.c
processor_driver.c ACPI: processor: use dev_dbg() instead of dev_warn() when CPPC probe failed 2017-07-27 01:51:06 +02:00
processor_idle.c Revert "x86/mm: Stop calling leave_mm() in idle code" 2017-11-04 15:01:50 +01:00
processor_pdc.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
processor_perflib.c ACPI: processor_perflib: Do not send _PPC change notification if not ready 2018-04-26 11:02:16 +02:00
processor_thermal.c
processor_throttling.c x86: ACPI: fix CPU hotplug deadlock 2020-04-24 08:01:20 +02:00
property.c ACPI / property: fix handling of data_nodes in acpi_get_next_subnode() 2019-05-31 06:47:17 -07:00
reboot.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
resource.c ACPI: Introduce DMA ranges parsing 2017-08-07 14:28:51 +02:00
sbs.c ACPI / SBS: Fix GPE storm on recent MacBookPro's 2019-04-20 09:15:05 +02:00
sbshc.c ACPI / SBS: Fix rare oops when removing modules 2019-11-24 08:23:19 +01:00
sbshc.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scan.c ACPI: PM: Avoid using power resources if there are none for D0 2020-06-20 10:25:01 +02:00
sleep.c ACPI / PM: save NVS memory for ASUS 1025C laptop 2018-08-22 07:46:10 +02:00
sleep.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spcr.c ACPI: SPCR: Consider baud rate 0 as preconfigured state 2019-02-12 19:45:59 +01:00
sysfs.c ACPI: sysfs: Fix pm_profile_attr type 2020-06-30 15:38:07 -04:00
tables.c ACPICA: Tables: Change table duplication check to be related to acpi_gbl_verify_table_checksum 2017-07-20 16:38:25 +02:00
thermal.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
utils.c ACPI / blacklist: add acpi_match_platform_list() 2017-08-29 01:42:48 +02:00
video_detect.c ACPI: video: Use native backlight on Acer TravelMate 5735Z 2020-07-22 09:22:23 +02:00
wakeup.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00