[PATCH 61/64] drm/vc4: perfmon: Add missing mutex_destroy

[Maxime Ripard]

vc4_perfmon_open_file() will instantiate a mutex for that file instance,
but we never call mutex_destroy () in vc4_perfmon_close_file().

Let's add that missing call.

Signed-off-by: Maxime Ripard <max...@cerno.tech>
---
 drivers/gpu/drm/vc4/vc4_perfmon.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/vc4/vc4_perfmon.c 
b/drivers/gpu/drm/vc4/vc4_perfmon.c
index 18abc06335c1..531b0e7ba035 100644
--- a/drivers/gpu/drm/vc4/vc4_perfmon.c
+++ b/drivers/gpu/drm/vc4/vc4_perfmon.c
@@ -95,6 +95,7 @@ void vc4_perfmon_close_file(struct vc4_file *vc4file)
        idr_for_each(&vc4file->perfmon.idr, vc4_perfmon_idr_del, NULL);
        idr_destroy(&vc4file->perfmon.idr);
        mutex_unlock(&vc4file->perfmon.lock);
+       mutex_destroy(&vc4file->perfmon.lock);
 }
 
 int vc4_perfmon_create_ioctl(struct drm_device *dev, void *data,
-- 
2.36.1