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Diffstat (limited to 'drivers/acpi/acpica/exutils.c')
-rw-r--r--drivers/acpi/acpica/exutils.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
index 425f13372e68..a8b857a7e9fb 100644
--- a/drivers/acpi/acpica/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -94,6 +94,10 @@ void acpi_ex_enter_interpreter(void)
ACPI_ERROR((AE_INFO,
"Could not acquire AML Interpreter mutex"));
}
+ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO, "Could not acquire AML Namespace mutex"));
+ }
return_VOID;
}
@@ -127,6 +131,10 @@ void acpi_ex_exit_interpreter(void)
ACPI_FUNCTION_TRACE(ex_exit_interpreter);
+ status = acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
+ if (ACPI_FAILURE(status)) {
+ ACPI_ERROR((AE_INFO, "Could not release AML Namespace mutex"));
+ }
status = acpi_ut_release_mutex(ACPI_MTX_INTERPRETER);
if (ACPI_FAILURE(status)) {
ACPI_ERROR((AE_INFO,