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path: root/drivers/acpi/executer/exconfig.c
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Diffstat (limited to 'drivers/acpi/executer/exconfig.c')
-rw-r--r--drivers/acpi/executer/exconfig.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 76c6ebd0231f..d11e9ec827f1 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -99,6 +99,11 @@ acpi_ex_add_table (
return_ACPI_STATUS (AE_NO_MEMORY);
}
+ /* Init the table handle */
+
+ obj_desc->reference.opcode = AML_LOAD_OP;
+ *ddb_handle = obj_desc;
+
/* Install the new table into the local data structures */
ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc));
@@ -109,7 +114,14 @@ acpi_ex_add_table (
table_info.allocation = ACPI_MEM_ALLOCATED;
status = acpi_tb_install_table (&table_info);
+ obj_desc->reference.object = table_info.installed_desc;
+
if (ACPI_FAILURE (status)) {
+ if (status == AE_ALREADY_EXISTS) {
+ /* Table already exists, just return the handle */
+
+ return_ACPI_STATUS (AE_OK);
+ }
goto cleanup;
}
@@ -123,16 +135,12 @@ acpi_ex_add_table (
goto cleanup;
}
- /* Init the table handle */
-
- obj_desc->reference.opcode = AML_LOAD_OP;
- obj_desc->reference.object = table_info.installed_desc;
- *ddb_handle = obj_desc;
return_ACPI_STATUS (AE_OK);
cleanup:
acpi_ut_remove_reference (obj_desc);
+ *ddb_handle = NULL;
return_ACPI_STATUS (status);
}
@@ -488,6 +496,7 @@ acpi_ex_unload_table (
* (Offset contains the table_id)
*/
acpi_ns_delete_namespace_by_owner (table_info->owner_id);
+ acpi_ut_release_owner_id (&table_info->owner_id);
/* Delete the table itself */