[PATCH 2/2] drm/v3d: add missing mutex_destroy

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v3d_perfmon_open_file() instantiates a mutex for a particular file
instance, but it never destroys it by calling mutex_destroy() in
v3d_perfmon_close_file().

Similarly, v3d_perfmon_create_ioctl() instantiates a mutex for a
particular perfmon, but it never destroys it by calling mutex_destroy()
in v3d_perfmon_destroy_ioctl().

So, add the missing mutex_destroy on both cases.

Signed-off-by: Maíra Canal <mcanal@xxxxxxxxxx>
---
 drivers/gpu/drm/v3d/v3d_perfmon.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/v3d/v3d_perfmon.c b/drivers/gpu/drm/v3d/v3d_perfmon.c
index 48aaaa972c49..292c73544255 100644
--- a/drivers/gpu/drm/v3d/v3d_perfmon.c
+++ b/drivers/gpu/drm/v3d/v3d_perfmon.c
@@ -113,6 +113,7 @@ void v3d_perfmon_close_file(struct v3d_file_priv *v3d_priv)
 	idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, NULL);
 	idr_destroy(&v3d_priv->perfmon.idr);
 	mutex_unlock(&v3d_priv->perfmon.lock);
+	mutex_destroy(&v3d_priv->perfmon.lock);
 }
 
 int v3d_perfmon_create_ioctl(struct drm_device *dev, void *data,
@@ -177,6 +178,7 @@ int v3d_perfmon_destroy_ioctl(struct drm_device *dev, void *data,
 	if (!perfmon)
 		return -EINVAL;
 
+	mutex_destroy(&perfmon->lock);
 	v3d_perfmon_put(perfmon);
 
 	return 0;
-- 
2.38.1




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