platform/x86: wmi: Skip blocks with zero instances
authorArmin Wolf <W_Armin@gmx.de>
Wed, 29 Nov 2023 18:16:54 +0000 (19:16 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 13 Dec 2023 17:45:03 +0000 (18:45 +0100)
commit6e33e81b785f41bf24b1c14728f47f467e184be7
treeffe94780a03fae2c6c0b6d466b09dd00debc3fed
parent30460e7e27dab2757841941cabb5956f90d5b5fa
platform/x86: wmi: Skip blocks with zero instances

[ Upstream commit cbf54f37600e874d82886aa3b2f471778cae01ce ]

Some machines like the HP Omen 17 ck2000nf contain WMI blocks
with zero instances, so any WMI driver which tries to handle the
associated WMI device will fail.
Skip such WMI blocks to avoid confusing any WMI drivers.

Reported-by: Alexis Belmonte <alexbelm48@gmail.com>
Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218188
Fixes: bff431e49ff5 ("ACPI: WMI: Add ACPI-WMI mapping driver")
Tested-by: Alexis Belmonte <alexbelm48@gmail.com>
Signed-off-by: Armin Wolf <W_Armin@gmx.de>
Link: https://lore.kernel.org/r/20231129181654.5800-1-W_Armin@gmx.de
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/platform/x86/wmi.c