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Commit 51ed833c authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/mmu: don't attempt to dereference vmm without valid instance pointer 



Fixes oopses in certain failure paths.

Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent a43b16dd

drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmm.c

+1 −1
Original line number Diff line number Diff line
@@ -1423,7 +1423,7 @@ 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 (vmm->func->part && inst) {

	if (inst && vmm->func->part) {

		mutex_lock(&vmm->mutex);

		vmm->func->part(vmm, inst);

		mutex_unlock(&vmm->mutex);