diff options
| author | Alexey Simakov <bigalex934@gmail.com> | 2026-01-14 13:20:17 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-01-15 18:17:47 +0100 |
| commit | f851e03bce968ff9b3faad1b616062e1244fd38d (patch) | |
| tree | 007f8e881f035172c25e2310170b4bc00b4cbaa6 /drivers/acpi | |
| parent | ce04af0a1bf96a6adbbe57b2d1548491cd59772b (diff) | |
ACPICA: Fix NULL pointer dereference in acpi_ev_address_space_dispatch()
Cover a missed execution path with a new check.
Fixes: 0acf24ad7e10 ("ACPICA: Add support for PCC Opregion special context data")
Link: https://github.com/acpica/acpica/commit/f421dd9dd897
Signed-off-by: Alexey Simakov <bigalex934@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://patch.msgid.link/3030574.e9J7NaK4W3@rafael.j.wysocki
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/acpica/evregion.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index fa3475da7ea9..b6198f73c81d 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -163,7 +163,9 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, return_ACPI_STATUS(AE_NOT_EXIST); } - if (region_obj->region.space_id == ACPI_ADR_SPACE_PLATFORM_COMM) { + if (field_obj + && region_obj->region.space_id == + ACPI_ADR_SPACE_PLATFORM_COMM) { struct acpi_pcc_info *ctx = handler_desc->address_space.context; |