From d5efc154e797f72064ce5bac82213df09f1586b1 Mon Sep 17 00:00:00 2001 From: Erik Schmauss Date: Thu, 3 Aug 2017 14:27:42 +0800 Subject: ACPICA: Revert "Update resource descriptor handling" ACPICA commit f3300640c63df138d133740b54e2c0a1befa4086 This reverts commit c8eac10178b387f9eb1935694e509d4518da77bb. Link: https://github.com/acpica/acpica/commit/f3300640 Signed-off-by: Erik Schmauss Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpica/utresrc.c | 14 +++++--------- 1 file changed, 5 insertions(+), 9 deletions(-) (limited to 'drivers/acpi/acpica/utresrc.c') diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index 517acf8e77c8..f9801d13547f 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -184,11 +184,9 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE(ut_walk_aml_resources); - /* - * The absolute minimum resource template is one end_tag descriptor. - * However, we will treat a lone end_tag as just a simple buffer. - */ - if (aml_length <= sizeof(struct aml_resource_end_tag)) { + /* The absolute minimum resource template is one end_tag descriptor */ + + if (aml_length < sizeof(struct aml_resource_end_tag)) { return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); } @@ -252,10 +250,8 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, *context = aml; } - /* - * Normal exit. Note: We allow the buffer to be larger than - * the resource template, as long as the END_TAG exists. - */ + /* Normal exit */ + return_ACPI_STATUS(AE_OK); } -- cgit v1.2.3-59-g8ed1b