An accumulated length was incorrectly added to current each pass through the loop. On system with more than 2 cores this caused a corrupt MADT to be generated.
Signed-off-by: George McCollister george.mccollister@gmail.com --- arch/x86/lib/acpi_table.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/x86/lib/acpi_table.c b/arch/x86/lib/acpi_table.c index ffb4678..bb71286 100644 --- a/arch/x86/lib/acpi_table.c +++ b/arch/x86/lib/acpi_table.c @@ -183,20 +183,20 @@ static int acpi_create_madt_lapic(struct acpi_madt_lapic *lapic, int acpi_create_madt_lapics(u32 current) { struct udevice *dev; - int length = 0; + int total_length = 0;
for (uclass_find_first_device(UCLASS_CPU, &dev); dev; uclass_find_next_device(&dev)) { struct cpu_platdata *plat = dev_get_parent_platdata(dev); - - length += acpi_create_madt_lapic( - (struct acpi_madt_lapic *)current, - plat->cpu_id, plat->cpu_id); + int length = acpi_create_madt_lapic( + (struct acpi_madt_lapic *)current, + plat->cpu_id, plat->cpu_id); current += length; + total_length += length; }
- return length; + return total_length; }
int acpi_create_madt_ioapic(struct acpi_madt_ioapic *ioapic, u8 id,