From: Sebastian Ott Date: Thu, 3 Jul 2025 12:42:15 +0000 (+0200) Subject: ACPI: processor: fix acpi_object initialization X-Git-Tag: v5.10.241~286 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=24ea07bc84c4cf5235ac0f21b213a4b09ae53338;p=thirdparty%2Fkernel%2Fstable.git ACPI: processor: fix acpi_object initialization [ Upstream commit 13edf7539211d8f7d0068ce3ed143005f1da3547 ] Initialization of the local acpi_object in acpi_processor_get_info() only sets the first 4 bytes to zero and is thus incomplete. This is indicated by messages like: acpi ACPI0007:be: Invalid PBLK length [166288104] Fix this by initializing all 16 bytes of the processor member of that union. Signed-off-by: Sebastian Ott Link: https://patch.msgid.link/20250703124215.12522-1-sebott@redhat.com Signed-off-by: Rafael J. Wysocki Signed-off-by: Sasha Levin --- diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 707b2c37e5ee6..74e949d340a19 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -228,7 +228,7 @@ static inline int acpi_processor_hotadd_init(struct acpi_processor *pr) static int acpi_processor_get_info(struct acpi_device *device) { - union acpi_object object = { 0 }; + union acpi_object object = { .processor = { 0 } }; struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; struct acpi_processor *pr = acpi_driver_data(device); int device_declaration = 0;