diff options
Diffstat (limited to 'source/components/utilities/utresrc.c')
| -rw-r--r-- | source/components/utilities/utresrc.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/source/components/utilities/utresrc.c b/source/components/utilities/utresrc.c index 70260d441332..c952e7621d5d 100644 --- a/source/components/utilities/utresrc.c +++ b/source/components/utilities/utresrc.c @@ -8,7 +8,7 @@ * * 1. Copyright Notice * - * Some or all of this work - Copyright (c) 1999 - 2024, Intel Corp. + * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp. * All rights reserved. * * 2. License @@ -532,21 +532,16 @@ AcpiUtValidateResource ( AmlResource = ACPI_CAST_PTR (AML_RESOURCE, Aml); if (ResourceType == ACPI_RESOURCE_NAME_SERIAL_BUS) { - /* Avoid undefined behavior: member access within misaligned address */ - - AML_RESOURCE_COMMON_SERIALBUS CommonSerialBus; - memcpy(&CommonSerialBus, AmlResource, sizeof(CommonSerialBus)); - /* Validate the BusType field */ - if ((CommonSerialBus.Type == 0) || - (CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE)) + if ((AmlResource->CommonSerialBus.Type == 0) || + (AmlResource->CommonSerialBus.Type > AML_RESOURCE_MAX_SERIALBUSTYPE)) { if (WalkState) { ACPI_ERROR ((AE_INFO, "Invalid/unsupported SerialBus resource descriptor: BusType 0x%2.2X", - CommonSerialBus.Type)); + AmlResource->CommonSerialBus.Type)); } return (AE_AML_INVALID_RESOURCE_TYPE); } |