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/acpi/nfit/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index f96bf32cd368..280da408c02c 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1737,9 +1737,8 @@ __weak void nfit_intel_shutdown_status(struct nfit_mem *nfit_mem) if ((nfit_mem->dsm_mask & (1 << func)) == 0) return; - out_obj = acpi_evaluate_dsm(handle, guid, revid, func, &in_obj); - if (!out_obj || out_obj->type != ACPI_TYPE_BUFFER - || out_obj->buffer.length < sizeof(smart)) { + out_obj = acpi_evaluate_dsm_typed(handle, guid, revid, func, &in_obj, ACPI_TYPE_BUFFER); + if (!out_obj || out_obj->buffer.length < sizeof(smart)) { dev_dbg(dev->parent, "%s: failed to retrieve initial health\n", dev_name(dev)); ACPI_FREE(out_obj); -- 2.40.0.1.gaa8946217a0b