From 816772412101bd41fdab01aa7ce575b3a6392cd4 Mon Sep 17 00:00:00 2001 From: Bob Moore Date: Wed, 14 Mar 2018 16:13:02 -0700 Subject: [PATCH] ACPICA: AML Debug Object: Don't ignore output of zero-length strings The implementation previously ignored null strings (""), but these could be important, especially for debug. Signed-off-by: Bob Moore Signed-off-by: Erik Schmauss Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpica/exdebug.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index d931a66a16e3c..f3e024182a562 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -88,14 +88,13 @@ acpi_ex_do_debug_object(union acpi_operand_object *source_desc, return_VOID; } - /* Null string or newline -- don't emit the line header */ + /* Newline -- don't emit the line header */ if (source_desc && (ACPI_GET_DESCRIPTOR_TYPE(source_desc) == ACPI_DESC_TYPE_OPERAND) && (source_desc->common.type == ACPI_TYPE_STRING)) { - if ((source_desc->string.length == 0) || - ((source_desc->string.length == 1) && - (*source_desc->string.pointer == '\n'))) { + if ((source_desc->string.length == 1) && + (*source_desc->string.pointer == '\n')) { acpi_os_printf("\n"); return_VOID; } -- 2.30.2