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-rw-r--r--tools/power/acpi/os_specific/service_layers/osunixxf.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/power/acpi/os_specific/service_layers/osunixxf.c b/tools/power/acpi/os_specific/service_layers/osunixxf.c
index 0e6a8a6be441..60b58cd18410 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixxf.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixxf.c
@@ -182,10 +182,17 @@ static void os_exit_line_edit_mode(void)
acpi_status acpi_os_initialize(void)
{
+ acpi_status status;
acpi_gbl_output_file = stdout;
os_enter_line_edit_mode();
+
+ status = acpi_os_create_lock(&acpi_gbl_print_lock);
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
return (AE_OK);
}