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ACPI: processor: fix acpi_object initialization

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[ 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 <sebott@redhat.com>
Link: https://patch.msgid.link/20250703124215.12522-1-sebott@redhat.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sebastian Ott
2025-07-03 14:42:15 +02:00
committed by Greg Kroah-Hartman
parent 4ba02a48e6
commit 24ea07bc84
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/acpi_processor.c
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@@ -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;