[PATCH v1 1/4] ACPI: processor: perflib: Eliminate redundant status check
From: Rafael J. Wysocki <hidden>
Date: 2021-03-05 18:45:44
Also in:
linux-acpi, linux-hwmon, linux-iio, lkml
From: Rafael J. Wysocki <redacted> One of the "status != AE_NOT_FOUND" checks in acpi_processor_get_platform_limit() is redundant, so rearrange the code to eliminate it. No functional impact. Signed-off-by: Rafael J. Wysocki <redacted> --- drivers/acpi/processor_perflib.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) Index: linux-pm/drivers/acpi/processor_perflib.c ===================================================================
--- linux-pm.orig/drivers/acpi/processor_perflib.c
+++ linux-pm/drivers/acpi/processor_perflib.c@@ -63,14 +63,15 @@ static int acpi_processor_get_platform_l * (e.g. 0 = states 0..n; 1 = states 1..n; etc. */ status = acpi_evaluate_integer(pr->handle, "_PPC", NULL, &ppc); - - if (status != AE_NOT_FOUND) + if (status != AE_NOT_FOUND) { acpi_processor_ppc_in_use = true; - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - acpi_handle_warn(pr->handle, "_PPC evaluation failed: %s\n", - acpi_format_exception(status)); - return -ENODEV; + if (ACPI_FAILURE(status)) { + acpi_handle_warn(pr->handle, + "_PPC evaluation failed: %s\n", + acpi_format_exception(status)); + return -ENODEV; + } } pr_debug("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,