From: Andy Shevchenko Date: Mon, 2 Oct 2023 13:54:58 +0000 (+0300) Subject: ACPI: NFIT: Switch to use acpi_evaluate_dsm_typed() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=26da9a8d279f30f1d0aa33cea0003a3d37fa051c;p=linux.git ACPI: NFIT: Switch to use acpi_evaluate_dsm_typed() 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 Reviewed-by: Dave Jiang Reviewed-by: Dan Williams Signed-off-by: Rafael J. Wysocki --- diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 802f8a56d1fa2..d4595d1985b10 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);