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path: root/drivers/acpi/acpica/evhandler.c
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Diffstat (limited to 'drivers/acpi/acpica/evhandler.c')
-rw-r--r--drivers/acpi/acpica/evhandler.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/evhandler.c b/drivers/acpi/acpica/evhandler.c
index 5884eba047f7..c0cd7147a5a3 100644
--- a/drivers/acpi/acpica/evhandler.c
+++ b/drivers/acpi/acpica/evhandler.c
@@ -3,7 +3,7 @@
*
* Module Name: evhandler - Support for Address Space handlers
*
- * Copyright (C) 2000 - 2020, Intel Corp.
+ * Copyright (C) 2000 - 2021, Intel Corp.
*
*****************************************************************************/
@@ -489,6 +489,13 @@ acpi_ev_install_space_handler(struct acpi_namespace_node *node,
/* Init handler obj */
+ status =
+ acpi_os_create_mutex(&handler_obj->address_space.context_mutex);
+ if (ACPI_FAILURE(status)) {
+ acpi_ut_remove_reference(handler_obj);
+ goto unlock_and_exit;
+ }
+
handler_obj->address_space.space_id = (u8)space_id;
handler_obj->address_space.handler_flags = flags;
handler_obj->address_space.region_list = NULL;