drm/nouveau: fix nouveau_mm/nouveau_mm_node leak

v2: use already existing parent

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/core/core/gpuobj.c b/drivers/gpu/drm/nouveau/core/core/gpuobj.c
index 1f34549aff18..70586fde69cf 100644
--- a/drivers/gpu/drm/nouveau/core/core/gpuobj.c
+++ b/drivers/gpu/drm/nouveau/core/core/gpuobj.c
@@ -39,6 +39,11 @@ nouveau_gpuobj_destroy(struct nouveau_gpuobj *gpuobj)
                         nv_wo32(gpuobj, i, 0x00000000);
         }
 
+        if (gpuobj->node) {
+                nouveau_mm_free(&nv_gpuobj(gpuobj->parent)->heap,
+                                &gpuobj->node);
+        }
+
         if (gpuobj->heap.block_size)
                 nouveau_mm_fini(&gpuobj->heap);