From bee6dc39cfa4be083e8c11cee0867eb7dc56895b Mon Sep 17 00:00:00 2001 From: Feng Tang Date: Wed, 31 Oct 2012 02:27:15 +0000 Subject: [PATCH] ACPICA: Resource Mgr: Small fix for buffer size calculation Fixes a one byte error in the output buffer calculation. Feng Tang - ACPICA BZ 849: https://www.acpica.org/bugzilla/show_bug.cgi?id=849 Signed-off-by: Feng Tang Signed-off-by: Bob Moore Signed-off-by: Lv Zheng Signed-off-by: Rafael J. Wysocki --- drivers/acpi/acpica/rscalc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index 6851779..147feb6 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -457,6 +457,15 @@ acpi_rs_get_list_length(u8 * aml_buffer, * Get the number of vendor data bytes */ extra_struct_bytes = resource_length; + + /* + * There is already one byte included in the minimum + * descriptor size. If there are extra struct bytes, + * subtract one from the count. + */ + if (extra_struct_bytes) { + extra_struct_bytes--; + } break; case ACPI_RESOURCE_NAME_END_TAG: -- 2.7.4