From: Shannon Zhao <shannon.z...@linaro.org>
If ACPI fails to initialize tables, it should return one meaningful
value to tell the caller to diable acpi.
Signed-off-by: Shannon Zhao <shannon.z...@linaro.org>
---
xen/drivers/acpi/tables.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/xen/drivers/acpi/tables.c b/xen/drivers/acpi/tables.c
index 822689e..1594e3b 100644
--- a/xen/drivers/acpi/tables.c
+++ b/xen/drivers/acpi/tables.c
@@ -330,7 +330,11 @@ static void __init check_multiple_madt(void)
int __init acpi_table_init(void)
{
- acpi_initialize_tables(NULL, ACPI_MAX_TABLES, 0);
+ acpi_status status;
+
+ status = acpi_initialize_tables(NULL, ACPI_MAX_TABLES, 0);
+ if (ACPI_FAILURE(status))
+ return -EINVAL;
check_multiple_madt();
return 0;
}
--
2.0.4
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