The acpi_evaluate_dsm_typed() provides a way to check the type of the object evaluated by _DSM call. Use it instead of open coded variant. Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> --- drivers/platform/x86/intel/pmc/tgl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/platform/x86/intel/pmc/tgl.c b/drivers/platform/x86/intel/pmc/tgl.c index e3e50538465d..c245ada849d0 100644 --- a/drivers/platform/x86/intel/pmc/tgl.c +++ b/drivers/platform/x86/intel/pmc/tgl.c @@ -221,9 +221,9 @@ void pmc_core_get_tgl_lpm_reqs(struct platform_device *pdev) guid_parse(ACPI_S0IX_DSM_UUID, &s0ix_dsm_guid); - out_obj = acpi_evaluate_dsm(adev->handle, &s0ix_dsm_guid, 0, - ACPI_GET_LOW_MODE_REGISTERS, NULL); - if (out_obj && out_obj->type == ACPI_TYPE_BUFFER) { + out_obj = acpi_evaluate_dsm_typed(adev->handle, &s0ix_dsm_guid, 0, + ACPI_GET_LOW_MODE_REGISTERS, NULL, ACPI_TYPE_BUFFER); + if (out_obj) { u32 size = out_obj->buffer.length; if (size != lpm_size) { -- 2.39.0