From: Alexey Simakov <bigalex934@gmail.com>
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>
---
drivers/acpi/acpica/evregion.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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;
--
2.51.0