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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-27 13:11:46 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-27 13:11:46 +0300 |
| commit | 519c523525b3e048862da1ab4ab4a878bdc01aab (patch) | |
| tree | dca8fa5b43bcd9c21ea05b643839e50af556545b /drivers/acpi/acpica/utresrc.c | |
| parent | 70139ad9eba06eec22aa4a03d6198dce7b1d7963 (diff) | |
| parent | 783cd2c3dca8b6c434e955b84c20c8940588dc68 (diff) | |
| download | linux-rolling-lts.tar.xz | |
Merge v6.12.35linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/acpi/acpica/utresrc.c')
| -rw-r--r-- | drivers/acpi/acpica/utresrc.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index cff7901f7866..e1cc3d348750 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -361,20 +361,16 @@ acpi_ut_validate_resource(struct acpi_walk_state *walk_state, aml_resource = ACPI_CAST_PTR(union aml_resource, aml); if (resource_type == ACPI_RESOURCE_NAME_SERIAL_BUS) { - /* Avoid undefined behavior: member access within misaligned address */ - - struct aml_resource_common_serialbus common_serial_bus; - memcpy(&common_serial_bus, aml_resource, - sizeof(common_serial_bus)); - /* Validate the bus_type field */ - if ((common_serial_bus.type == 0) || - (common_serial_bus.type > AML_RESOURCE_MAX_SERIALBUSTYPE)) { + if ((aml_resource->common_serial_bus.type == 0) || + (aml_resource->common_serial_bus.type > + AML_RESOURCE_MAX_SERIALBUSTYPE)) { if (walk_state) { ACPI_ERROR((AE_INFO, "Invalid/unsupported SerialBus resource descriptor: BusType 0x%2.2X", - common_serial_bus.type)); + aml_resource->common_serial_bus. + type)); } return (AE_AML_INVALID_RESOURCE_TYPE); } |