drm/nouveau/mmu: qualify vmm during dtor

[linux.git] / drivers / gpu / drm / nouveau / nvkm / subdev / mmu / vmm.c

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
index fa93f964e6a4db0b5a8320cfc135921e33f4521b..41640e0584ac0fb02ede12b1c650267f8209d325 100644 (file)
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c
@@ -1783,7 +1783,7 @@ nvkm_vmm_get(struct nvkm_vmm *vmm, u8 page, u64 size, struct nvkm_vma **pvma)
 void
 nvkm_vmm_part(struct nvkm_vmm *vmm, struct nvkm_memory *inst)
 {
-       if (inst && vmm->func->part) {
+       if (inst && vmm && vmm->func->part) {
                mutex_lock(&vmm->mutex);
                vmm->func->part(vmm, inst);
                mutex_unlock(&vmm->mutex);