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linux/drivers/acpi
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Andy Shevchenko bc0b1a2036 ACPI: scan: Use unique number for instance_no 
[ Upstream commit eb50aaf960e3bedfef79063411ffd670da94b84b ]

The decrementation of acpi_device_bus_id->instance_no
in acpi_device_del() is incorrect, because it may cause
a duplicate instance number to be allocated next time
a device with the same acpi_device_bus_id is added.

Replace above mentioned approach by using IDA framework.

While at it, define the instance range to be [0, 4096).

Fixes: e49bd2dd5a50 ("ACPI: use PNPID:instance_no as bus_id of ACPI device")
Fixes: ca9dc8d42b30 ("ACPI / scan: Fix acpi_bus_id_list bookkeeping")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: 4.10+ <stable@vger.kernel.org> # 4.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-03-30 14:35:28 +02:00
..
acpica
ACPICA: Fix race in generic_serial_bus (I2C) and GPIO op_region parameter handling
2021-03-11 14:06:49 +01:00
apei
x86/mm: split vmalloc_sync_all()
2020-03-25 08:25:58 +01:00
arm64
ACPI/IORT: Fix PMCG node single ID mapping handling
2020-06-22 09:30:54 +02:00
dptf
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
hmat
ACPI: HMAT: Fix handling of changes from ACPI 6.2 to ACPI 6.3
2020-11-05 11:43:19 +01:00
nfit
ACPI: NFIT: Fix comparison to '-ENXIO'
2020-11-10 12:37:31 +01:00
pmic
ACPI / PMIC: intel: Drop double removal of address space handler
2019-07-03 13:03:41 +02:00
x86
x86/intel: Aggregate big core mobile naming
2019-08-28 11:29:31 +02:00
ac.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
acpi_adxl.c
ACPI/ADXL: Add address translation interface using an ACPI DSM
2018-10-16 10:03:00 +02:00
acpi_amba.c
Merge 5.2-rc6 into char-misc-next
2019-06-23 09:23:33 +02:00
acpi_apd.c
i2c: imx: ACPI support for NXP i2c controller
2019-09-13 15:12:38 +01:00
acpi_cmos_rtc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
acpi_configfs.c
ACPI: configfs: add missing check after configfs_register_default_group()
2021-03-04 10:26:40 +01:00
acpi_dbg.c
ACPI: debug: don't allow debugging when ACPI is disabled
2020-11-05 11:43:25 +01:00
acpi_extlog.c
ACPI / extlog: Check for RDMSR failure
2020-11-05 11:43:24 +01:00
acpi_ipmi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
acpi_lpat.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
acpi_lpit.c
Merge branches 'acpi-pm' and 'pm-pci'
2019-07-08 10:49:36 +02:00
acpi_lpss.c
ACPI: LPSS: Add dmi quirk for skipping _DEP check for some device-links
2019-12-17 19:56:32 +01:00
acpi_memhotplug.c
mm/memory_hotplug: rename walk_memory_range() and pass start+size instead of pfns
2019-07-18 17:08:06 -07:00
acpi_pad.c
ACPI, x86: Add Zhaoxin processors support for NONSTOP TSC
2019-06-22 11:45:57 +02:00
acpi_platform.c
ACPI: platform: Unregister stale platform devices
2020-01-26 10:01:04 +01:00
acpi_pnp.c
ACPI: PNP: compare the string length in the matching_id()
2020-12-30 11:51:32 +01:00
acpi_processor.c
ACPI / processor: don't print errors for processorIDs == 0xff
2019-08-09 10:48:34 +02:00
acpi_tad.c
ACPI: TAD: Add low-level support for real time capability
2018-10-18 09:11:53 +02:00
acpi_video.c
ACPI: video: Add new hw_changes_brightness quirk, set it on PB Easynote MZ35
2019-07-16 17:30:09 +02:00
acpi_watchdog.c
ACPI: watchdog: Allow disabling WDAT at boot
2020-03-21 08:11:47 +01:00
battery.c
ACPI / battery: Deal better with neither design nor full capacity not being reported
2020-02-11 04:35:20 -08:00
bgrt.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
blacklist.c
ACPI: blacklist: fix clang warning for unused DMI table
2019-07-11 22:45:00 +02:00
bus.c
ACPI: bus: Fix NULL pointer check in acpi_bus_get_private_data()
2019-12-17 19:56:34 +01:00
button.c
ACPI: button: Add DMI quirk for Medion Akoya E2228T
2020-11-24 13:29:00 +01:00
cm_sbs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
container.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
cppc_acpi.c
ACPI: CPPC: Fix reference count leak in acpi_cppc_processor_probe()
2020-06-17 16:40:28 +02:00
custom_method.c
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
debugfs.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
device_pm.c
PM: ACPI: PCI: Drop acpi_pm_set_bridge_wakeup()
2020-12-30 11:51:32 +01:00
device_sysfs.c
ACPI: sysfs: Prefer "compatible" modalias
2021-02-03 23:25:56 +01:00
dock.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
ec_sys.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 482
2019-06-19 17:09:52 +02:00
ec.c
ACPI: EC: PM: Drop ec_no_wakeup check from acpi_ec_dispatch_gpe()
2020-11-05 11:43:25 +01:00
event.c
ACPI: event: replace strcpy() by strscpy()
2019-04-23 10:54:26 +02:00
evged.c
ACPI: GED: fix -Wformat
2020-11-22 10:14:12 +01:00
fan.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
glue.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
hed.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 174
2019-05-30 11:26:41 -07:00
internal.h
ACPI: scan: Use unique number for instance_no
2021-03-30 14:35:28 +02:00
ioapic.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
irq.c
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-07-08 11:01:13 -07:00
Kconfig
ia64: remove support for machvecs
2019-08-16 14:32:26 -07:00
Makefile
ACPI: Always build evged in
2020-10-17 10:11:22 +02:00
numa.c
ACPI: Add out of bounds and numa_off protections to pxm_to_node()
2020-11-05 11:43:18 +01:00
nvs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 428
2019-06-05 17:37:16 +02:00
osi.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
osl.c
ACPI: OSL: only free map once in osl.c
2019-12-17 19:56:33 +01:00
pci_irq.c
ACPI / PCI: fix acpi_pci_irq_enable() memory leak
2019-09-03 09:41:25 +02:00
pci_link.c
ACPI/PCI: Remove surplus parentheses from a return statement
2019-08-21 00:05:20 +02:00
pci_mcfg.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 459
2019-06-19 17:09:09 +02:00
pci_root.c
PCI: Move ASPM declarations to linux/pci.h
2019-08-28 08:28:39 -05:00
pci_slot.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 491
2019-06-19 17:09:52 +02:00
power.c
ACPI / PM: Introduce concept of a _PR0 dependent device
2019-06-27 12:31:57 +02:00
pptt.c
ACPI/PPTT: Add support for ACPI 6.3 thread flag
2019-08-12 12:59:15 +01:00
proc.c
…
processor_core.c
treewide: Add SPDX license identifier for missed files
2019-05-21 10:50:45 +02:00
processor_driver.c
cpufreq: Use per-policy frequency QoS
2019-10-21 02:05:21 +02:00
processor_idle.c
ACPI, x86: Add Zhaoxin processors support for NONSTOP TSC
2019-06-22 11:45:57 +02:00
processor_pdc.c
…
processor_perflib.c
ACPI: processor: Add QoS requests for all CPUs
2019-10-25 11:33:48 +02:00
processor_thermal.c
ACPI: processor: Add QoS requests for all CPUs
2019-10-25 11:33:48 +02:00
processor_throttling.c
x86: ACPI: fix CPU hotplug deadlock
2020-04-23 10:36:38 +02:00
property.c
ACPI: property: Fix fwnode string properties matching
2021-03-04 10:26:40 +01:00
reboot.c
ACPI: Allow CONFIG_PCI to be unset for reboot
2018-12-20 10:19:49 +01:00
resource.c
Revert "ACPI / resources: Use AE_CTRL_TERMINATE to terminate resources walks"
2020-12-30 11:51:32 +01:00
sbs.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
2019-05-30 11:26:37 -07:00
sbshc.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 372
2019-06-05 17:37:10 +02:00
sbshc.h
ACPI: SBS: remove unused const variable 'SMBUS_PEC'
2019-08-23 12:55:09 +02:00
scan.c
ACPI: scan: Use unique number for instance_no
2021-03-30 14:35:28 +02:00
sleep.c
ACPI: EC: PM: Avoid flushing EC work when EC GPE is inactive
2020-05-27 17:46:10 +02:00
sleep.h
ACPI: PM: Add acpi_[un]register_wakeup_handler()
2020-04-13 10:48:08 +02:00
spcr.c
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
2019-06-19 17:09:55 +02:00
sysfs.c
ACPI: sysfs: Fix pm_profile_attr type
2020-06-30 15:37:06 -04:00
tables.c
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
thermal.c
ACPI: thermal: Do not call acpi_thermal_check() directly
2021-02-07 15:35:47 +01:00
utils.c
bus_find_device: Unify the match callback with class_find_device
2019-06-24 05:22:31 +02:00
video_detect.c
ACPI: video: Add missing callback back for Sony VPCEH3U1E
2021-03-30 14:35:23 +02:00
wakeup.c
ACPI: PM: Add acpi_[un]register_wakeup_handler()
2020-04-13 10:48:08 +02:00