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ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects

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[ Upstream commit ae5a0eccc8 ]

ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4

ACPI_ALLOCATE_ZEROED may fails, object_info might be null and will cause
null pointer dereference later.

Link: https://github.com/acpica/acpica/commit/0d5f467d
Signed-off-by: Bob Moore <robert.moore@intel.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:
void0red 2023-04-05 15:57:57 +02:00 committed by Greg Kroah-Hartman
parent 8c4a7163b7
commit fee6133490
1 changed files with 3 additions and 0 deletions
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3
drivers/acpi/acpica/dbnames.c
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@ -652,6 +652,9 @@ acpi_status acpi_db_display_objects(char *obj_type_arg, char *display_count_arg)
object_info =
ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_object_info));
if (!object_info)
return (AE_NO_MEMORY);
/* Walk the namespace from the root */
(void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,