]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
platform/x86: dell-wmi-sysman: fix a NULL pointer dereference
authorMario Limonciello <mario.limonciello@dell.com>
Fri, 29 Jan 2021 17:26:54 +0000 (11:26 -0600)
committerHans de Goede <hdegoede@redhat.com>
Sun, 31 Jan 2021 21:05:35 +0000 (22:05 +0100)
commit215164bfb7144c5890dd8021ff06e486939862d4
tree542e383a71913ffd51082540b5842e9526a5a6f3
parent67fbe02a5cebc3c653610f12e3c0424e58450153
platform/x86: dell-wmi-sysman: fix a NULL pointer dereference

An upcoming Dell platform is causing a NULL pointer dereference
in dell-wmi-sysman initialization.  Validate that the input from
BIOS matches correct ACPI types and abort module initialization
if it fails.

Signed-off-by: Mario Limonciello <mario.limonciello@dell.com>
Tested-by: Perry Yuan <perry_yuan@dell.com>
Link: https://lore.kernel.org/r/20210129172654.2326751-1-mario.limonciello@dell.com
[hdegoede@redhat.com: Drop redundant release_attributes_data() call]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
drivers/platform/x86/dell-wmi-sysman/sysman.c