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c355ec651a
linux/drivers/platform/x86
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Mattias Jacobsson c355ec651a platform/x86: wmi: fix potential null pointer dereference 
In the function wmi_dev_match() the variable id is dereferenced without
first performing a NULL check. The variable can for example be NULL if
a WMI driver is registered without specifying the id_table field in
struct wmi_driver.

Add a NULL check and return that the driver can't handle the device if
the variable is NULL.

Fixes: 844af950da ("platform/x86: wmi: Turn WMI into a bus driver")
Signed-off-by: Mattias Jacobsson <2pi@mok.nu>
Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2019-02-23 09:20:29 -08:00
..
acer-wireless.c platform/x86: Add Acer Wireless Radio Control driver 2017-11-27 13:39:11 +02:00
acer-wmi.c platform/x86: acer-wmi: Silence "unsupported" message a bit 2018-08-22 13:40:24 +03:00
acerhdf.c platform/x86: acerhdf: restructure to allow large BIOS table be __initconst 2018-09-27 12:18:08 +03:00
alienware-wmi.c platform/x86: alienware-wmi: Correct a memory leak 2018-09-10 13:45:43 -07:00
amilo-rfkill.c
apple-gmux.c platform/x86: apple-gmux: fix gmux_get_client_id()'s return type 2018-04-24 19:55:33 +03:00
asus-laptop.c platform/x86: Simplify getting .drvdata 2018-04-23 08:52:59 -07:00
asus-nb-wmi.c platform/x86: asus-nb-wmi: Drop mapping of 0x33 and 0x34 scan codes 2018-11-07 15:56:42 +02:00
asus-wireless.c platform/x86: asus-wireless: Fix uninitialized symbol usage 2018-07-02 16:48:22 +03:00
asus-wmi.c platform/x86: asus-wmi: Allow loading on systems without the Asus Management GUID 2019-02-23 09:20:14 -08:00
asus-wmi.h platform/x86: asus-wmi: try to set als by default 2017-04-28 21:52:24 +03:00
classmate-laptop.c
compal-laptop.c treewide: Use DEVICE_ATTR_RW 2018-01-09 16:33:31 +01:00
dcdbas.c firmware: dcdbas: include linux/io.h 2018-10-03 11:27:22 +03:00
dcdbas.h firmware: dcdbas: Move dcdbas to drivers/platform/x86 2018-09-27 12:18:15 +03:00
dell_rbu.c platform/x86: dell_rbu: stop abusing the DMA API 2019-02-23 09:20:25 -08:00
dell-laptop.c sound updates for 4.21 2018-12-25 13:19:10 -08:00
dell-rbtn.c platform/x86: dell-rbtn: constify rfkill_ops structures 2017-06-13 11:00:21 -07:00
dell-rbtn.h
dell-smbios-base.c platform/x86: dell-smbios-base: Support systems without tokens 2018-06-26 15:01:52 -07:00
dell-smbios-smm.c firmware: dcdbas: Move dcdbas to drivers/platform/x86 2018-09-27 12:18:15 +03:00
dell-smbios-wmi.c platform/x86: dell-smbios-wmi: Correct a memory leak 2018-09-10 13:45:43 -07:00
dell-smbios.h platform/x86: dell-smbios: Link all dell-smbios-* modules together 2018-03-09 09:35:42 -08:00
dell-smo8800.c platform/x86: dell-smo8800: remove redundant assignments to byte_data 2017-11-05 13:53:14 +02:00
dell-wmi-aio.c
dell-wmi-descriptor.c platform/x86: dell-smbios-wmi: Disable userspace interface if missing hotfix 2017-11-20 12:38:43 -08:00
dell-wmi-descriptor.h platform/x86: dell-smbios-wmi: Disable userspace interface if missing hotfix 2017-11-20 12:38:43 -08:00
dell-wmi-led.c platform/x86: dell-wmi-led: Adjust instance of wmi_evaluate_method calls to 0 2017-06-28 09:01:36 -07:00
dell-wmi.c platform/x86: dell-wmi: Ignore new keyboard backlight change event 2019-02-05 19:38:20 +02:00
eeepc-laptop.c PCI: hotplug: Embed hotplug_slot 2018-09-18 17:52:15 -05:00
eeepc-wmi.c
fujitsu-laptop.c platform/x86: fujitsu-laptop: Simplify soft key handling 2018-04-19 16:25:54 -07:00
fujitsu-tablet.c
gpd-pocket-fan.c platform/x86: GPD pocket fan: fix spelling mistake: "Mill-celcius" -> "millicelsius" 2018-02-15 12:21:48 +02:00
hdaps.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
hp_accel.c platform/x86: hp_accel: Add quirk for HP ProBook 440 G4 2017-10-27 20:54:01 +03:00
hp-wireless.c
hp-wmi.c platform/x86: hp-wmi: Fix tablet mode detection for convertibles 2017-11-05 13:53:14 +02:00
huawei-wmi.c platform/x86: add support for Huawei WMI hotkeys 2018-12-13 09:23:27 +01:00
i2c-multi-instantiate.c ACPI / scan: Create platform device for BSG2150 ACPI nodes 2019-02-05 19:38:20 +02:00
ibm_rtl.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
ideapad-laptop.c platform/x86: ideapad-laptop: Fix no_hw_rfkill_list for Lenovo RESCUER R720-15IKBN 2019-02-23 09:20:20 -08:00
intel_atomisp2_pm.c platform/x86: Fix config space access for intel_atomisp2_pm 2018-12-03 21:40:03 +02:00
intel_bxtwc_tmu.c platform/x86: intel_bxtwc_tmu: Convert to use SPDX identifier 2018-09-27 12:18:16 +03:00
intel_cht_int33fe.c USB/PHY patches for 4.21-rc1 2018-12-28 20:30:00 -08:00
intel_chtdc_ti_pwrbtn.c platform/x86: intel_chtdc_ti_pwrbtn: Add SPDX identifier 2018-09-27 12:18:16 +03:00
intel_int0002_vgpio.c platform/x86: intel_int0002_vgpio: Only implement irq_set_wake on Bay Trail 2019-02-05 20:28:54 +02:00
intel_ips.c platform/x86: intel_ips: Convert to use DEFINE_SHOW_ATTRIBUTE macro 2018-12-03 21:40:03 +02:00
intel_ips.h platform/x86: intel-ips: Convert to use SPDX identifier 2018-09-27 12:18:16 +03:00
intel_menlow.c platform/x86: intel_menlow: Convert to use SPDX identifier 2018-09-27 12:18:17 +03:00
intel_mid_powerbtn.c platform-drivers-x86 for v4.20-1 2018-11-01 08:42:21 -07:00
intel_mid_thermal.c platform/x86: intel_mid_thermal: Convert to use SPDX identifier 2018-09-27 12:18:17 +03:00
intel_oaktrail.c platform/x86: intel_oaktrail: Convert to use SPDX identifier 2018-09-27 12:18:18 +03:00
intel_pmc_core.c platform/x86: intel_pmc_core: Include Reserved IP for LTR 2019-02-21 15:40:49 +02:00
intel_pmc_core.h platform/x86: intel_pmc_core: Include Reserved IP for LTR 2019-02-21 15:40:49 +02:00
intel_pmc_ipc.c platform/x86: intel_pmc: Convert to use SPDX identifier 2018-09-27 12:18:18 +03:00
intel_punit_ipc.c platform/x86: intel_punit_ipc: Convert to use SPDX identifier 2018-09-27 12:18:18 +03:00
intel_scu_ipc.c platform/x86: intel_scu_ipc: Convert to use SPDX identifier 2018-09-27 12:18:19 +03:00
intel_scu_ipcutil.c platform/x86: intel_scu_ipc: Convert to use SPDX identifier 2018-09-27 12:18:19 +03:00
intel_telemetry_core.c platform/x86: intel_telemetry: Convert to use SPDX identifier 2018-09-27 12:18:20 +03:00
intel_telemetry_debugfs.c platform/x86: intel_telemetry: convert to DEFINE_SHOW_ATTRIBUTE 2018-12-10 11:31:00 +02:00
intel_telemetry_pltdrv.c platform-drivers-x86 for v4.20-1 2018-11-01 08:42:21 -07:00
intel_turbo_max_3.c platform/x86: intel_turbo_max_3: Convert to use SPDX identifier 2018-09-27 12:18:20 +03:00
intel-hid.c platform/x86: intel-hid: Missing power button release on some Dell models 2019-01-26 11:07:34 -08:00
intel-rst.c platform/x86: intel-rst: Convert to use SPDX identifier 2018-09-27 12:18:19 +03:00
intel-smartconnect.c platform/x86: intel-smartconnect: Convert to use SPDX identifier 2018-09-27 12:18:19 +03:00
intel-vbtn.c platform/x86: intel-vbtn: Add support for dock mode detection 2018-07-02 16:48:22 +03:00
intel-wmi-thunderbolt.c platform/x86: intel-wmi-thunderbolt: Add dynamic debugging 2018-09-27 12:18:20 +03:00
Kconfig platform/x86: apple-gmux: Make PCI dependency explicit 2019-01-15 23:17:16 +01:00
lg-laptop.c platform/x86: Add LG Gram laptop special features driver 2018-10-19 19:21:57 +03:00
Makefile Char/Misc driver patches for 4.21-rc1 2018-12-28 20:54:57 -08:00
mlx-platform.c platform/x86: mlx-platform: Add support for new VMOD0007 board name 2019-01-26 11:08:25 -08:00
msi-laptop.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
msi-wmi.c platform/x86: msi-wmi: remove unnecessary static in msi_wmi_notify() 2017-07-25 09:56:38 -07:00
mxm-wmi.c platform/x86: mxm-wmi: Evaluate wmi method with instance number 0x0 2017-08-13 15:55:05 +03:00
panasonic-laptop.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
peaq-wmi.c platform/x86: peaq-wmi: Remove unnecessary checks from peaq_wmi_exit 2017-11-03 13:32:09 +02:00
pmc_atom.c seq_file: Introduce DEFINE_SHOW_ATTRIBUTE() helper macro 2018-02-07 12:50:21 +02:00
samsung-laptop.c platform/x86: Simplify getting .drvdata 2018-04-23 08:52:59 -07:00
samsung-q10.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
sony-laptop.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
surface3_button.c
surface3-wmi.c
surfacepro3_button.c platform/x86: surfacepro3: Support for wakeup from suspend-to-idle 2018-01-11 18:54:50 +01:00
tc1100-wmi.c
thinkpad_acpi.c sound updates for 4.21 2018-12-25 13:19:10 -08:00
topstar-laptop.c platform/x86: topstar-laptop: replace licence text with SPDX tag 2018-02-23 18:43:42 +02:00
toshiba_acpi.c platform/x86: toshiba_acpi: Fix defined but not used build warnings 2018-07-21 09:26:45 -07:00
toshiba_bluetooth.c
toshiba_haps.c platform/x86: toshiba_haps: constify haps_attr_group 2017-06-28 09:01:37 -07:00
toshiba-wmi.c dmi: Mark all struct dmi_system_id instances const 2017-09-14 11:59:30 +02:00
touchscreen_dmi.c platform/x86: touchscreen_dmi: Add info for the Chuwi Hi8 Air tablet 2019-02-05 20:28:18 +02:00
wmi-bmof.c platform/x86: wmi*: Add recent copyright statements 2017-06-13 11:00:18 -07:00
wmi.c platform/x86: wmi: fix potential null pointer dereference 2019-02-23 09:20:29 -08:00
xo1-rfkill.c
xo15-ebook.c