I have sent this patch before to lkml, but it appears it wasn't picked up. Also
I have to admit this isn't tested. This is a patch against linus' tree.
ACPI_MADT_ENABLED is defined 1 (include/acpi/actbl1.h 501)
lapic_flags: an u32 of struct acpi_madt_local_sapic (include/acpi/actbl1.h 467)
--
'!' has a higher priority than '&', so as was
this won't test the first bit, but rather evaluates to false for any non-zero
lsapic->lapic_flags.
Signed-off-by: Roel Kluin <12o3l@xxxxxxxxxx>
---
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 3d45d24..7d78d22 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -858,7 +858,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
lsapic = (struct acpi_madt_local_sapic *)obj->buffer.pointer;
if ((lsapic->header.type != ACPI_MADT_TYPE_LOCAL_SAPIC) ||
- (!lsapic->lapic_flags & ACPI_MADT_ENABLED)) {
+ (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))) {
kfree(buffer.pointer);
return -EINVAL;
}
-
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