[PATCH] hw/loongarch: remove acpi-build.c unused variable 'aml_len'

[Song Gao]

Fix a compiler warning on openbsd:
../src/hw/loongarch/acpi-build.c:416:12: warning: variable 'aml_len'
set but not used [-Wunused-but-set-variable]
    size_t aml_len = 0;
           ^

Reported-by: Peter Maydell <peter.mayd...@linaro.org>
Signed-off-by: Song Gao <gaos...@loongson.cn>
---
 hw/loongarch/acpi-build.c | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/hw/loongarch/acpi-build.c b/hw/loongarch/acpi-build.c
index b95b83b079..f7f6fc9b8a 100644
--- a/hw/loongarch/acpi-build.c
+++ b/hw/loongarch/acpi-build.c
@@ -413,7 +413,6 @@ static void acpi_build(AcpiBuildTables *tables, 
MachineState *machine)
     AcpiFadtData fadt_data;
     unsigned facs, rsdt, fadt, dsdt;
     uint8_t *u;
-    size_t aml_len = 0;
     GArray *tables_blob = tables->table_data;
 
     init_common_fadt_data(&fadt_data);
@@ -437,12 +436,6 @@ static void acpi_build(AcpiBuildTables *tables, 
MachineState *machine)
     dsdt = tables_blob->len;
     build_dsdt(tables_blob, tables->linker, machine);
 
-    /*
-     * Count the size of the DSDT, we will need it for
-     * legacy sizing of ACPI tables.
-     */
-    aml_len += tables_blob->len - dsdt;
-
     /* ACPI tables pointed to by RSDT */
     fadt = tables_blob->len;
     acpi_add_table(table_offsets, tables_blob);
@@ -451,7 +444,6 @@ static void acpi_build(AcpiBuildTables *tables, 
MachineState *machine)
     fadt_data.xdsdt_tbl_offset = &dsdt;
     build_fadt(tables_blob, tables->linker, &fadt_data,
                lams->oem_id, lams->oem_table_id);
-    aml_len += tables_blob->len - fadt;
 
     acpi_add_table(table_offsets, tables_blob);
     build_madt(tables_blob, tables->linker, lams);
-- 
2.31.1