When Load/load_table opcode is called again for the same table, it is likely
that the table has already been loaded, so AE_ALREADY_EXISTS shouldn't be a
fatal error but a notice for the caller to skip acpi_ns_load_table(). Reported
by Hans de Goede, fixed by Lv Zheng.
Reported-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
Cc: Hans de Goede <hdegoede@xxxxxxxxxx>
---
drivers/acpi/acpica/tbdata.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/acpi/acpica/tbdata.c b/drivers/acpi/acpica/tbdata.c
index b7bff76..1a4371b 100644
--- a/drivers/acpi/acpica/tbdata.c
+++ b/drivers/acpi/acpica/tbdata.c
@@ -952,6 +952,13 @@ acpi_tb_load_table(u32 *table_index, struct acpi_namespace_node *parent_node)
status = acpi_tb_validate_table_for_load(table_index, &table);
if (ACPI_FAILURE(status)) {
+ if (status == AE_ALREADY_EXISTS) {
+ /*
+ * Skip the table loading process but return the table index to
+ * the caller with the exception muted.
+ */
+ status = AE_OK;
+ }
return_ACPI_STATUS(status);
}
--
2.7.4
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