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Lorenzo Pieralisi 126afacf7a ACPI/IORT: Fix iort_get_platform_device_domain() uninitialized pointer value 
[ Upstream commit ea2412dc21 ]

Running the Clang static analyzer on IORT code detected the following
error:

Logic error: Branch condition evaluates to a garbage value

in

iort_get_platform_device_domain()

If the named component associated with a given device has no IORT
mappings, iort_get_platform_device_domain() exits its MSI mapping loop
with msi_parent pointer containing garbage, which can lead to erroneous
code path execution.

Initialize the msi_parent pointer, fixing the bug.

Fixes: d4f54a1866 ("ACPI: platform: setup MSI domain for ACPI based
platform device")
Reported-by: Patrick Bellasi <patrick.bellasi@arm.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2018-12-17 09:24:40 +01:00
..
acpica
ACPICA: AML interpreter: add region addresses in global list during initialization
2018-12-01 09:37:30 +01:00
apei
treewide: kvmalloc() -> kvmalloc_array()
2018-06-12 16:19:22 -07:00
arm64
ACPI/IORT: Fix iort_get_platform_device_domain() uninitialized pointer value
2018-12-17 09:24:40 +01:00
dptf
…
nfit
acpi, nfit: Fix ARS overflow continuation
2018-11-21 09:19:17 +01:00
pmic
ACPI / PMIC: CrystalCove: Extend PMOP support to support all possible fields
2018-08-14 23:55:09 +02:00
x86
ACPI / x86: utils: Remove status workaround from acpi_device_always_present()
2018-08-09 12:14:35 +02:00
ac.c
Merge tag 'acpi-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2018-06-05 10:08:27 -07:00
acpi_amba.c
…
acpi_apd.c
ACPI: APD: Add AMD misc clock handler support
2018-05-17 12:44:06 +02:00
acpi_cmos_rtc.c
…
acpi_configfs.c
…
acpi_dbg.c
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
acpi_extlog.c
…
acpi_ipmi.c
…
acpi_lpat.c
…
acpi_lpit.c
ACPI / PM: LPIT: Register sysfs attributes based on FADT
2018-11-13 11:08:24 -08:00
acpi_lpss.c
ACPI / LPSS: Add alternative ACPI HIDs for Cherry Trail DMA controllers
2018-11-13 11:08:28 -08:00
acpi_memhotplug.c
…
acpi_pad.c
ACPI: acpi_pad: Fix memory leak in power saving threads
2018-03-30 12:04:58 +02:00
acpi_platform.c
ACPI / platform: Add SMB0001 HID to forbidden_id_list
2018-11-27 16:13:10 +01:00
acpi_pnp.c
…
acpi_processor.c
ACPI / processor: Fix the return value of acpi_processor_ids_walk()
2018-11-13 11:08:24 -08:00
acpi_tad.c
ACPI: Add Time and Alarm Device (TAD) driver
2018-03-20 10:36:04 +01:00
acpi_video.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
acpi_watchdog.c
ACPI / watchdog: Prefer iTCO_wdt always when WDAT table uses RTC SRAM
2018-05-24 10:52:49 +02:00
battery.c
ACPI / battery: Do not export energy_full[_design] on devices without full_charge_capacity
2018-08-09 10:49:35 +02:00
bgrt.c
…
blacklist.c
…
bus.c
ACPI / bus: Only call dmi_check_system() on X86
2018-09-06 12:16:29 +02:00
button.c
ACPI / button: fix defined but not used warning
2018-07-09 11:32:44 +02:00
cm_sbs.c
…
container.c
…
cppc_acpi.c
ACPI / CPPC: Fix invalid PCC channel status errors
2018-05-10 17:16:22 +02:00
custom_method.c
treewide: Align function definition open/close braces
2018-03-26 11:13:09 +02:00
debugfs.c
…
device_pm.c
PM / Domains: Allow a better error handling of dev_pm_domain_attach()
2018-05-14 22:58:44 +02:00
device_sysfs.c
treewide: Use DEVICE_ATTR_RO
2018-01-09 16:34:34 +01:00
dock.c
ACPI: Mark expected switch fall-throughs
2017-11-09 00:55:16 +01:00
ec_sys.c
ACPI: EC: Fix debugfs_create_*() usage
2018-01-04 13:54:51 +01:00
ec.c
ACPI / EC: Add another entry for Thinkpad X1 Carbon 6th
2018-08-09 11:01:59 +02:00
event.c
…
evged.c
ACPI: GED: unregister interrupts during shutdown
2017-12-16 03:05:37 +01:00
fan.c
treewide: devm_kzalloc() -> devm_kcalloc()
2018-06-12 16:19:22 -07:00
glue.c
…
hed.c
…
internal.h
ACPI: EC: Dispatch the EC GPE directly on s2idle wake
2018-05-25 10:32:13 +02:00
ioapic.c
…
irq.c
…
Kconfig
ACPI: fix menuconfig presentation of ACPI submenu
2018-08-23 10:20:07 +02:00
Makefile
ACPI: Enable PPTT support on ARM64
2018-05-17 17:28:09 +01:00
numa.c
acpi, numa: fix pxm to online numa node associations
2018-03-15 19:49:14 -07:00
nvs.c
…
osi.c
ACPI / OSI: Add OEM _OSI string to enable NVidia HDMI audio
2018-07-20 10:12:41 +02:00
osl.c
ACPI / OSL: Use 'jiffies' as the time bassis for acpi_os_get_timer()
2018-11-13 11:08:17 -08:00
pci_irq.c
…
pci_link.c
ACPI / PCI: pci_link: Allow the absence of _PRS and change log level
2018-02-27 17:15:39 +01:00
pci_mcfg.c
…
pci_root.c
Merge branch 'pci/hotplug'
2018-06-06 16:10:10 -05:00
pci_slot.c
…
power.c
…
pptt.c
ACPI/PPTT: Handle architecturally unknown cache types
2018-11-13 11:08:24 -08:00
proc.c
…
processor_core.c
xen/ACPI: don't upload Px/Cx data for disabled processors
2018-08-20 14:46:18 -04:00
processor_driver.c
…
processor_idle.c
Merge tag 'acpi-part2-4.16-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2018-02-09 09:44:25 -08:00
processor_pdc.c
…
processor_perflib.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
processor_thermal.c
…
processor_throttling.c
treewide: kmalloc() -> kmalloc_array()
2018-06-12 16:19:22 -07:00
property.c
ACPI: property: Use data node name and reg property for graphs
2018-07-23 12:44:52 +02:00
reboot.c
ACPI: add missing newline to printk
2018-05-02 13:01:08 +02:00
resource.c
ACPI: Mark expected switch fall-throughs
2017-11-09 00:55:16 +01:00
sbs.c
battery: Add the battery hooking API
2018-02-21 23:27:13 +01:00
sbshc.c
ACPI: sbshc: remove raw pointer from printk() message
2018-02-08 09:50:08 +01:00
sbshc.h
…
scan.c
ACPI / scan: Create platform device for fwnodes with multiple i2c devices
2018-08-09 12:12:16 +02:00
sleep.c
ACPI / PM: save NVS memory for ASUS 1025C laptop
2018-07-11 11:42:13 +02:00
sleep.h
…
spcr.c
ACPI: SPCR: Mark expected switch fall-through in acpi_parse_spcr
2018-02-12 10:31:26 +01:00
sysfs.c
treewide: kzalloc() -> kcalloc()
2018-06-12 16:19:22 -07:00
tables.c
Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
2018-06-08 11:10:58 -07:00
thermal.c
…
utils.c
ACPI: utils: Introduce acpi_dev_get_first_match_name()
2018-01-10 00:41:43 +01:00
video_detect.c
ACPI / video: Add quirk to force acpi-video backlight on Samsung 670Z5E
2018-03-20 10:38:17 +01:00
wakeup.c
…