[PATCH 21/98] ACPICA: Check for non-zero address before being converted to GAS

Len Brown
2009-03-28T04:32:50Z

From: Lin Ming <ming.m.lin@intel.com>

Reported-by: FreeBSD community
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---
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 a8191ef..43fe886 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));
+ }
}
}
--
1.6.0.6