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| author | void0red <30990023+void0red@users.noreply.github.com> | 2023-04-05 16:57:57 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-24 19:32:35 +0300 |
| commit | fee6133490091492dc66bcf71479bd53bd17a7d2 (patch) | |
| tree | 04475f609ba7acafa91eec85f01780ddf612939e /drivers | |
| parent | 8c4a7163b7f1495e3cc58bec7a4100de6612cde9 (diff) | |
| download | linux-fee6133490091492dc66bcf71479bd53bd17a7d2.tar.xz | |
ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects
[ Upstream commit ae5a0eccc85fc960834dd66e3befc2728284b86c ]
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/acpi/acpica/dbnames.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/dbnames.c b/drivers/acpi/acpica/dbnames.c index 3615e1a6efd8..b91155ea9c34 100644 --- a/drivers/acpi/acpica/dbnames.c +++ b/drivers/acpi/acpica/dbnames.c @@ -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, |