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Rafael J. Wysocki b98f467dad ACPICA: Avoid walking the ACPI Namespace if it is not there 
[ Upstream commit 0c9992315e738e7d6e927ef36839a466b080dba6 ]

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>
2022-04-20 09:06:38 +02:00
..
acapps.h
ACPICA: Applications: Fix a potential issue that help messages may be dumped to acpi_gbl_debug_file
2016-08-13 03:16:39 +02:00
accommon.h
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
acdebug.h
ACPICA: Debugger: Add subcommand for predefined name execution
2016-09-10 02:36:20 +02:00
acdispat.h
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
acevents.h
ACPICA: Never run _REG on system_memory and system_IO
2019-11-25 09:53:28 +01:00
acglobal.h
ACPICA: Avoid evaluating methods too early during system resume
2021-11-26 11:48:29 +01:00
achware.h
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
acinterp.h
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
aclocal.h
ACPICA: Never run _REG on system_memory and system_IO
2019-11-25 09:53:28 +01:00
acmacros.h
ACPICA: Executer: Introduce a set of macros to handle bit width mask generation
2016-05-05 15:22:27 +02:00
acnamesp.h
ACPICA: Namespace: Add acpi_ns_get_node_unlocked()
2016-09-10 02:43:02 +02:00
acobject.h
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
acopcode.h
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
acparser.h
ACPICA: Interpreter: Fix MLC issues by switching to new term_list grammar for table loading
2016-09-10 02:43:02 +02:00
acpredef.h
ACPICA: ACPI 6.0: Update _BIX support for new package element
2016-05-05 15:22:26 +02:00
acresrc.h
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
acstruct.h
ACPICA: All: const keyword changes across the ACPICA source
2016-04-05 03:53:33 +02:00
actables.h
ACPICA: Tables: Tune table mutex to be a leaf lock
2016-09-10 02:43:03 +02:00
acutils.h
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
amlcode.h
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
amlresrc.h
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dbcmds.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
dbconvert.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
dbdisply.c
ACPICA: Silence a -Wbad-function-cast warning when acpi_uintptr_t is 'uintptr_t'
2016-01-15 22:22:05 +01:00
dbexec.c
ACPICA: Debugger: Add subcommand for predefined name execution
2016-09-10 02:36:20 +02:00
dbfileio.c
ACPICA: Debugger: Fix wrong inclusions in dbfileio.c
2016-08-13 03:09:33 +02:00
dbhistry.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dbinput.c
ACPICA: Debugger: Add subcommand for predefined name execution
2016-09-10 02:36:20 +02:00
dbmethod.c
ACPICA: Debugger: Add subcommand for predefined name execution
2016-09-10 02:36:20 +02:00
dbnames.c
ACPICA: Move all ASCII utilities to a common file
2016-05-05 15:22:28 +02:00
dbobject.c
ACPICA: Debugger: Extend some max line lengths
2016-08-13 03:09:32 +02:00
dbstats.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dbtest.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dbutils.c
ACPICA: All: const keyword changes across the ACPICA source
2016-04-05 03:53:33 +02:00
dbxface.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
dsargs.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dscontrol.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
dsdebug.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dsfield.c
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
2020-02-28 15:42:27 +01:00
dsinit.c
ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
2016-10-29 01:57:43 +02:00
dsmethod.c
ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
2016-10-29 01:57:43 +02:00
dsmthdat.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dsobject.c
ACPICA: Remove unnecessary arguments to ACPI_INFO
2016-02-24 14:14:49 +01:00
dsopcode.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dsutils.c
ACPICA: Interpreter: Remove temporary code for External() opcode
2016-08-13 03:09:31 +02:00
dswexec.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
dswload2.c
ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
2016-10-29 01:57:43 +02:00
dswload.c
ACPICA: Disassembler: create buffer fields in ACPI_PARSE_LOAD_PASS1
2020-02-28 15:42:27 +01:00
dswscope.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
dswstate.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
evevent.c
ACPICA: Events: add a return on failure from acpi_hw_register_read
2018-05-30 07:50:44 +02:00
evglock.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
evgpe.c
ACPICA: Events: Introduce acpi_mask_gpe() to implement GPE masking mechanism
2016-08-13 03:09:33 +02:00
evgpeblk.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
evgpeinit.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
evgpeutil.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
evhandler.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
evmisc.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
evregion.c
ACPICA: Never run _REG on system_memory and system_IO
2019-11-25 09:53:28 +01:00
evrgnini.c
ACPICA: Never run _REG on system_memory and system_IO
2019-11-25 09:53:28 +01:00
evsci.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
evxface.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
evxfevnt.c
ACPICA: Events: Add runtime stub support for event APIs
2018-04-13 19:48:28 +02:00
evxfgpe.c
ACPICA: Events: Introduce acpi_mask_gpe() to implement GPE masking mechanism
2016-08-13 03:09:33 +02:00
evxfregn.c
ACPICA: Never run _REG on system_memory and system_IO
2019-11-25 09:53:28 +01:00
exconcat.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
exconfig.c
ACPICA: Tables: Fix "UNLOAD" code path lock issues
2016-09-24 02:16:52 +02:00
exconvrt.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
excreate.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
exdebug.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
exdump.c
ACPICA: All: const keyword changes across the ACPICA source
2016-04-05 03:53:33 +02:00
exfield.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
exfldio.c
ACPICA: Executer: Introduce a set of macros to handle bit width mask generation
2016-05-05 15:22:27 +02:00
exmisc.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
exmutex.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
exnames.c
ACPICA: Move all ASCII utilities to a common file
2016-05-05 15:22:28 +02:00
exoparg1.c
ACPICA: Executer: Fix the REFCLASS_REFOF case in acpi_ex_opcode_1A_0T_1R()
2022-01-27 08:47:38 +01:00
exoparg2.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
exoparg3.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
exoparg6.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
exprep.c
ACPICA: Do not increment operation_region reference counts for field units
2020-08-21 11:01:59 +02:00
exregion.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
exresnte.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
exresolv.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
exresop.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
exstore.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
exstoren.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
exstorob.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
exsystem.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
extrace.c
ACPICA: Namespace: Fix dynamic table loading issues
2016-09-10 02:43:02 +02:00
exutils.c
ACPICA: Namespace: Fix dynamic table loading issues
2016-09-10 02:43:02 +02:00
hwacpi.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
hwesleep.c
ACPICA: Avoid evaluating methods too early during system resume
2021-11-26 11:48:29 +01:00
hwgpe.c
ACPICA: Events: Introduce acpi_mask_gpe() to implement GPE masking mechanism
2016-08-13 03:09:33 +02:00
hwpci.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
hwregs.c
Revert "ACPICA: ACPI 2.0, Hardware: Add access_width/bit_offset support for acpi_hw_write()"
2016-06-15 02:16:13 +02:00
hwsleep.c
ACPICA: Avoid evaluating methods too early during system resume
2021-11-26 11:48:29 +01:00
hwtimer.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
hwvalid.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
hwxface.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
hwxfsleep.c
ACPICA: Avoid evaluating methods too early during system resume
2021-11-26 11:48:29 +01:00
Makefile
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
nsaccess.c
ACPICA: Fix deconstification warnings (-Wcast-qual) with acpi_ns_root_initialize().
2016-08-13 03:09:31 +02:00
nsalloc.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
nsarguments.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
nsconvert.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
nsdump.c
ACPICA: Debugger: Extend some max line lengths
2016-08-13 03:09:32 +02:00
nsdumpdv.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
nseval.c
ACPICA: acpi: acpica: fix acpi operand cache leak in nseval.c
2018-05-30 07:50:45 +02:00
nsinit.c
ACPICA: Namespace: Reorder \_SB._INI to make sure it is evaluated before _REG evaluations
2016-04-05 03:53:34 +02:00
nsload.c
ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()
2016-10-29 01:57:43 +02:00
nsnames.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
nsobject.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
nsparse.c
ACPICA: Namespace: Fix dynamic table loading issues
2016-09-10 02:43:02 +02:00
nspredef.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
nsprepkg.c
ACPICA: ACPI 6.0: Update _BIX support for new package element
2016-05-05 15:22:26 +02:00
nsrepair2.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
nsrepair.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
nssearch.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
nsutils.c
ACPICA: Namespace: fix operand cache leak
2018-01-31 12:55:52 +01:00
nswalk.c
ACPICA: Avoid walking the ACPI Namespace if it is not there
2022-04-20 09:06:38 +02:00
nsxfeval.c
ACPICA: Refactor evaluate_object to reduce nesting
2016-05-05 15:22:25 +02:00
nsxfname.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
nsxfobj.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
psargs.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
psloop.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
psobject.c
ACPICA: Disassembler: Abort on an invalid/unknown AML opcode
2018-04-13 19:48:28 +02:00
psopcode.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
psopinfo.c
ACPICA: All: const keyword changes across the ACPICA source
2016-04-05 03:53:33 +02:00
psparse.c
ACPICA: Dispatcher: Fix a mutex issue for method auto serialization
2016-09-10 02:43:02 +02:00
psscope.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
pstree.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
psutils.c
ACPICA: Renamed some #defined flag constants for clarity
2016-05-05 15:22:26 +02:00
pswalk.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
psxface.c
ACPICA: Parser: Fix a regression in LoadTable support
2016-09-24 02:16:53 +02:00
rsaddr.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
rscalc.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
rscreate.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
rsdump.c
ACPICA: All: const keyword changes across the ACPICA source
2016-04-05 03:53:33 +02:00
rsdumpinfo.c
ACPICA: ACPI 6.0, tools/iasl: Add support for new resource descriptors
2016-05-05 15:22:26 +02:00
rsinfo.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
rsio.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
rsirq.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
rslist.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
rsmemory.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
rsmisc.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
rsserial.c
ACPICA: ACPI 6.0, tools/iasl: Add support for new resource descriptors
2016-05-05 15:22:26 +02:00
rsutils.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
rsxface.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
tbdata.c
ACPICA: Tables: Fix "UNLOAD" code path lock issues
2016-09-24 02:16:52 +02:00
tbfadt.c
Revert "ACPICA: FADT support cleanup"
2016-11-14 20:56:17 +01:00
tbfind.c
ACPICA: Tables: Fix a regression in acpi_tb_find_table()
2016-09-17 01:07:57 +02:00
tbinstal.c
ACPICA: Tables: Add new table events indicating table installation/uninstallation
2016-09-10 02:43:01 +02:00
tbprint.c
ACPICA: Remove unnecessary arguments to ACPI_INFO
2016-02-24 14:14:49 +01:00
tbutils.c
ACPICA: Divergence: Port declarators back to ACPICA
2016-08-13 03:09:32 +02:00
tbxface.c
ACPICA: Divergence: Port declarators back to ACPICA
2016-08-13 03:09:32 +02:00
tbxfload.c
ACPICA: Tables: Fix "UNLOAD" code path lock issues
2016-09-24 02:16:52 +02:00
tbxfroot.c
ACPICA: Divergence: Port declarators back to ACPICA
2016-08-13 03:09:32 +02:00
utaddress.c
ACPICA: Namespace: Fix dynamic table loading issues
2016-09-10 02:43:02 +02:00
utalloc.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
utascii.c
ACPICA: Move all ASCII utilities to a common file
2016-05-05 15:22:28 +02:00
utbuffer.c
ACPICA: Clib: Add -nostdinc support for EFI layer
2016-08-13 03:09:35 +02:00
utcache.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
utcopy.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
utdebug.c
ACPICA: Clib: Eliminate acpi_os_XXXFile()/acpi_log_error and link clibrary fxxx()/errno/perror() instead
2016-08-13 03:12:32 +02:00
utdecode.c
ACPICA: Fix deconstification warnings (-Wcast-qual) with function traces.
2016-08-13 03:09:31 +02:00
utdelete.c
ACPICA: Utilities: Avoid deleting the same object twice in a row
2022-01-27 08:47:38 +01:00
uterror.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
uteval.c
ACPICA: All: const keyword changes across the ACPICA source
2016-04-05 03:53:33 +02:00
utexcep.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
utglobal.c
ACPICA: All: const keyword changes across the ACPICA source
2016-04-05 03:53:33 +02:00
uthex.c
ACPICA: Add a couple of casts to uthex.c
2016-09-10 02:43:00 +02:00
utids.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
utinit.c
ACPICA: Simplify configuration for "Max Loops" system parameter
2016-08-13 03:09:32 +02:00
utlock.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
utmath.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
utmisc.c
ACPICA: All: const keyword changes across the ACPICA source
2016-04-05 03:53:33 +02:00
utmutex.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
utnonansi.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
utobject.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
utosi.c
ACPICA: Update return value for intenal _OSI method
2016-09-10 02:43:02 +02:00
utownerid.c
ACPICA: Divergence: remove unwanted spaces for typedef
2016-05-05 15:14:35 +02:00
utpredef.c
ACPICA: Clib/EFI: Fix wrong order of standard integer types/IO handles
2016-08-13 03:09:35 +02:00
utprint.c
ACPICA: Clib: Eliminate acpi_os_XXXFile()/acpi_log_error and link clibrary fxxx()/errno/perror() instead
2016-08-13 03:12:32 +02:00
utresrc.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
utstate.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
utstring.c
ACPICA: Move all ASCII utilities to a common file
2016-05-05 15:22:28 +02:00
utstrtoul64.c
ACPICA: Cleanup for all string-to-integer conversions
2016-09-10 02:37:59 +02:00
uttrack.c
ACPICA: Use os_allocate_zeroed
2016-08-13 03:09:33 +02:00
utuuid.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00
utxface.c
ACPICA: Divergence: Port declarators back to ACPICA
2016-08-13 03:09:32 +02:00
utxferror.c
ACPICA: Remove unnecessary arguments to ACPI_INFO
2016-02-24 14:14:49 +01:00
utxfinit.c
ACPICA: Interpreter: Fix MLC issues by switching to new term_list grammar for table loading
2016-09-10 02:43:02 +02:00
utxfmutex.c
ACPICA: Additional 2016 copyright changes
2016-01-15 22:18:09 +01:00