diff options
| -rw-r--r-- | drivers/acpi/acpica/tbfadt.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index a8191efd9aa..43fe886b41a 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -618,12 +618,14 @@ static void acpi_tb_setup_fadt_registers(void) ACPI_ADD_PTR(struct acpi_generic_address, &acpi_gbl_FADT, fadt_pm_info_table[i].source); - acpi_tb_init_generic_address(fadt_pm_info_table[i].target, - source64->space_id, - pm1_register_byte_width, - source64->address + - (fadt_pm_info_table[i]. - register_num * - pm1_register_byte_width)); + if (source64->address) { + acpi_tb_init_generic_address(fadt_pm_info_table[i]. + target, source64->space_id, + pm1_register_byte_width, + source64->address + + (fadt_pm_info_table[i]. + register_num * + pm1_register_byte_width)); + } } } |