diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index 010b1c43df922be2796a54c6f9131232f345d4d6..18508b2c0c054ecd6faad0a14c984cdd2b3abd5f 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -369,6 +369,10 @@ void acpi_put_table(struct acpi_table_header *table) ACPI_FUNCTION_TRACE(acpi_put_table); + if (!table) { + return_VOID; + } + (void)acpi_ut_acquire_mutex(ACPI_MTX_TABLES); /* Walk the root table list */