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linux/drivers/acpi/acpica
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Rafael J. Wysocki 93c3e89c9f ACPICA: Avoid walking the ACPI Namespace if it is not there 
[ Upstream commit 0c9992315e ]

ACPICA commit b1c3656ef4950098e530be68d4b589584f06cddc

Prevent acpi_ns_walk_namespace() from crashing when called with
start_node equal to ACPI_ROOT_OBJECT if the Namespace has not been
instantiated yet and acpi_gbl_root_node is NULL.

For instance, this can happen if the kernel is run with "acpi=off"
in the command line.

Link: b1c3656ef4
Link: https://lore.kernel.org/linux-acpi/CAJZ5v0hJWW_vZ3wwajE7xT38aWjY7cZyvqMJpXHzUL98-SiCVQ@mail.gmail.com/
Reported-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-15 14:14:54 +02:00
..
acapps.h
ACPICA: iASL: Enhance the -tc option (create AML hex file in C)
2018-05-15 10:16:10 +02:00
accommon.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acconvert.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acdebug.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acdispat.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acevents.h
ACPICA: Never run _REG on system_memory and system_IO
2019-11-24 08:20:07 +01:00
acglobal.h
ACPICA: Avoid evaluating methods too early during system resume
2021-11-26 11:36:05 +01:00
achware.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acinterp.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
aclocal.h
ACPICA: Never run _REG on system_memory and system_IO
2019-11-24 08:20:07 +01:00
acmacros.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acnamesp.h
ACPICA: acpi_exec: fixing -fi option
2018-08-14 23:49:13 +02:00
acobject.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acopcode.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acparser.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acpredef.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acresrc.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acstruct.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
actables.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
acutils.h
ACPICA: Utilities: split hex detection into smaller functions
2018-08-14 23:49:13 +02:00
amlcode.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
amlresrc.h
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbcmds.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbconvert.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbdisply.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbexec.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbfileio.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbhistry.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbinput.c
ACPICA: Debugger: Cleanup interface to the AML disassembler
2018-08-14 23:49:13 +02:00
dbmethod.c
ACPICA: Debugger: Cleanup interface to the AML disassembler
2018-08-14 23:49:13 +02:00
dbnames.c
ACPICA: Debugger: Add count of namespace nodes after namespace dump
2018-06-06 08:53:42 +02:00
dbobject.c
ACPICA: Debugger: Reduce verbosity for module-level code errors.
2018-06-06 08:53:42 +02:00
dbstats.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbtest.c
ACPICA: Debugger: Removed direct support for EC address space in "Test Objects"
2018-05-15 10:16:10 +02:00
dbutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbxface.c
ACPICA: Debugger: Cleanup interface to the AML disassembler
2018-08-14 23:49:13 +02:00
dsargs.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dscontrol.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dsdebug.c
ACPICA: Debugger: Reduce verbosity for module-level code errors.
2018-06-06 08:53:42 +02:00
dsfield.c
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
2020-02-24 08:34:43 +01:00
dsinit.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dsmethod.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dsmthdat.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dsobject.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dsopcode.c
ACPICA: AML interpreter: add region addresses in global list during initialization
2019-04-17 08:38:55 +02:00
dspkginit.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dsutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dswexec.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dswload2.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dswload.c
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
2020-02-24 08:34:43 +01:00
dswscope.c
ACPICA: Improve error messages for the namespace root node
2018-05-15 10:16:10 +02:00
dswstate.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evevent.c
ACPICA: Events: add a return on failure from acpi_hw_register_read
2018-03-18 19:29:46 +01:00
evglock.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evgpe.c
ACPICA: Clear status of GPEs on first direct enable
2019-07-26 09:14:09 +02:00
evgpeblk.c
ACPICA: Clear status of GPEs on first direct enable
2019-07-26 09:14:09 +02:00
evgpeinit.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evgpeutil.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evhandler.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evmisc.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evregion.c
ACPICA: Never run _REG on system_memory and system_IO
2019-11-24 08:20:07 +01:00
evrgnini.c
ACPICA: Never run _REG on system_memory and system_IO
2019-11-24 08:20:07 +01:00
evsci.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evxface.c
ACPICA: Clear status of GPEs on first direct enable
2019-07-26 09:14:09 +02:00
evxfevnt.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evxfgpe.c
ACPICA: Clear status of GPEs on first direct enable
2019-07-26 09:14:09 +02:00
evxfregn.c
ACPICA: Never run _REG on system_memory and system_IO
2019-11-24 08:20:07 +01:00
exconcat.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exconfig.c
ACPICA: Interpreter: Begin deprecation of Unload operator
2018-06-06 08:53:43 +02:00
exconvrt.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
excreate.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exdebug.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exdump.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exfield.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exfldio.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exmisc.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exmutex.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exnames.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exoparg1.c
ACPICA: Executer: Fix the REFCLASS_REFOF case in acpi_ex_opcode_1A_0T_1R()
2022-01-27 09:04:27 +01:00
exoparg2.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exoparg3.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exoparg6.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exprep.c
ACPICA: Do not increment operation_region reference counts for field units
2020-08-19 08:14:53 +02:00
exregion.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exresnte.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exresolv.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exresop.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exstore.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exstoren.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exstorob.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exsystem.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
extrace.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
exutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
hwacpi.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
hwesleep.c
ACPICA: Hardware: Do not flush CPU cache when entering S4 and S5
2022-01-27 09:04:27 +01:00
hwgpe.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
hwpci.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
hwregs.c
ACPICA: ACPICA: add status check for acpi_hw_read before assigning return value
2018-08-14 23:49:13 +02:00
hwsleep.c
ACPICA: Hardware: Do not flush CPU cache when entering S4 and S5
2022-01-27 09:04:27 +01:00
hwtimer.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
hwvalid.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
hwxface.c
ACPICA: Convert acpi_gbl_hardware lock back to an acpi_raw_spinlock
2018-05-10 17:18:45 +02:00
hwxfsleep.c
ACPICA: Hardware: Do not flush CPU cache when entering S4 and S5
2022-01-27 09:04:27 +01:00
Makefile
Merge branch 'acpica'
2017-11-13 01:36:58 +01:00
nsaccess.c
ACPICA: acpi_exec: fixing -fi option
2018-08-14 23:49:13 +02:00
nsalloc.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsarguments.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsconvert.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsdump.c
ACPICA: Debugger: Add count of namespace nodes after namespace dump
2018-06-06 08:53:42 +02:00
nsdumpdv.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nseval.c
ACPICA: Cleanup/simplify module-level code support
2018-03-18 19:29:46 +01:00
nsinit.c
ACPICA: Add deferred package support for the Load and loadTable operators
2018-05-14 22:25:45 +02:00
nsload.c
ACPICA: Cleanup/simplify module-level code support
2018-03-18 19:29:46 +01:00
nsnames.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsobject.c
ACPICA: Namespace: remove address node from global list after method termination
2019-04-17 08:38:48 +02:00
nsparse.c
ACPICA: Cleanup/simplify module-level code support
2018-03-18 19:29:46 +01:00
nspredef.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsprepkg.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsrepair2.c
Revert "ACPICA: Fix memory leak caused by _CID repair function"
2021-08-12 13:19:38 +02:00
nsrepair.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nssearch.c
ACPICA: Revert "iASL: change processing of external op namespace nodes for correctness"
2018-07-09 11:14:45 +02:00
nsutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nswalk.c
ACPICA: Avoid walking the ACPI Namespace if it is not there
2022-04-15 14:14:54 +02:00
nsxfeval.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsxfname.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsxfobj.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
psargs.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
psloop.c
ACPICA: AML Parser: fix parse loop to correctly skip erroneous extended opcodes
2018-11-13 11:08:17 -08:00
psobject.c
ACPICA: AML parser: attempt to continue loading table after error
2018-06-06 08:53:43 +02:00
psopcode.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
psopinfo.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
psparse.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
psscope.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
pstree.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
psutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
pswalk.c
ACPICA: AML Parser: Add debug option to dump parse trees
2018-06-06 08:53:42 +02:00
psxface.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsaddr.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rscalc.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rscreate.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsdump.c
ACPICA: Fix potential infinite loop in acpi_rs_dump_byte_list
2018-05-15 10:16:10 +02:00
rsdumpinfo.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsinfo.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsio.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsirq.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rslist.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsmemory.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsmisc.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsserial.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsxface.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
tbdata.c
ACPICA: Update an error message for a duplicate table
2018-08-14 23:49:13 +02:00
tbfadt.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
tbfind.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
tbinstal.c
ACPICA: Tables: Fix spelling mistake in comment
2018-05-15 10:16:10 +02:00
tbprint.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
tbutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
tbxface.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
tbxfload.c
ACPICA: Cleanup/simplify module-level code support
2018-03-18 19:29:46 +01:00
tbxfroot.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utaddress.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utalloc.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utascii.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utbuffer.c
ACPICA: acpidump/acpixtract: Support for tables larger than 1MB
2018-05-18 09:19:26 +02:00
utcache.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utcopy.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utdebug.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utdecode.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utdelete.c
ACPICA: Utilities: Avoid deleting the same object twice in a row
2022-01-27 09:04:27 +01:00
uterror.c
ACPICA: Drop leading newlines from error messages
2018-06-30 23:24:04 +02:00
uteval.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utexcep.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utglobal.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
uthex.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utids.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utinit.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utlock.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utmath.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utmisc.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utmutex.c
ACPICA: Convert acpi_gbl_hardware lock back to an acpi_raw_spinlock
2018-05-10 17:18:45 +02:00
utnonansi.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utobject.c
ACPICA: Mark acpi_ut_create_internal_object_dbg() memory allocations as non-leaks
2018-05-27 12:23:03 +02:00
utosi.c
ACPICA: Recognize the _OSI string "Windows 2017.2"
2018-06-10 13:19:50 +02:00
utownerid.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utpredef.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utprint.c
ACPICA: vsnprintf: this statement may fall through
2018-05-15 10:16:10 +02:00
utresdecode.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utresrc.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utstate.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utstring.c
ACPICA: Improve error messages for the namespace root node
2018-05-15 10:16:10 +02:00
utstrsuppt.c
ACPICA: Utilities: split hex detection into smaller functions
2018-08-14 23:49:13 +02:00
utstrtoul64.c
ACPICA: Utilities: split hex detection into smaller functions
2018-08-14 23:49:13 +02:00
uttrack.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utuuid.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utxface.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utxferror.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utxfinit.c
ACPICA: Cleanup/simplify module-level code support
2018-03-18 19:29:46 +01:00
utxfmutex.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00