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path: root/drivers/acpi/utilities/utmisc.c
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Diffstat (limited to 'drivers/acpi/utilities/utmisc.c')
-rw-r--r--drivers/acpi/utilities/utmisc.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index f0275025b718..c2f5b2adb5d6 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -67,6 +67,8 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id)
ACPI_FUNCTION_TRACE("ut_allocate_owner_id");
+ WARN_ON(*owner_id);
+
/* Mutex for the global ID mask */
status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES);