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| author | Lin Ming <ming.m.lin@intel.com> | 2009-03-04 14:31:25 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-03-26 16:38:23 -0400 |
| commit | 5e053e77f233342b56fda419d347fd2c958b9849 (patch) | |
| tree | fad2031c0c0c60498f671d99dc9bbaf3a65ac734 /drivers/acpi | |
| parent | 531c633d2be8e79087335a46d3c017ca5837e588 (diff) | |
| download | linux-5e053e77f233342b56fda419d347fd2c958b9849.tar.gz linux-5e053e77f233342b56fda419d347fd2c958b9849.tar.bz2 linux-5e053e77f233342b56fda419d347fd2c958b9849.zip | |
ACPICA: Check for non-zero address before being converted to GAS
Reported-by: FreeBSD community
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi')
| -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 a8191efd9aa6..43fe886b41a2 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)); + } } } |