[Nouveau] [PATCH 1/3] platform: release IOMMU's mm upon exit

[Alexandre Courbot]

nvkm_mm_fini() was not called when exiting the driver, resulting in a
memory leak. Fix this.

Signed-off-by: Alexandre Courbot <acourbot at nvidia.com>
---
 drm/nouveau/nouveau_platform.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drm/nouveau/nouveau_platform.c b/drm/nouveau/nouveau_platform.c
index 3691982452a9..f83aa12ee5c6 100644
--- a/drm/nouveau/nouveau_platform.c
+++ b/drm/nouveau/nouveau_platform.c
@@ -152,6 +152,7 @@ static void nouveau_platform_remove_iommu(struct device *dev,
 					  struct nouveau_platform_gpu *gpu)
 {
 	if (gpu->iommu.domain) {
+		nvkm_mm_fini(&gpu->iommu._mm);
 		iommu_detach_device(gpu->iommu.domain, dev);
 		iommu_domain_free(gpu->iommu.domain);
 	}
-- 
2.3.3