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path: root/drivers/gpu/drm/nouveau/nouveau_vm.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_vm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_vm.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_vm.c b/drivers/gpu/drm/nouveau/nouveau_vm.c
index 519a6b4bba46..244fd38fdb84 100644
--- a/drivers/gpu/drm/nouveau/nouveau_vm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_vm.c
@@ -369,23 +369,26 @@ nouveau_vm_link(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd)
369} 369}
370 370
371static void 371static void
372nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *pgd) 372nouveau_vm_unlink(struct nouveau_vm *vm, struct nouveau_gpuobj *mpgd)
373{ 373{
374 struct nouveau_vm_pgd *vpgd, *tmp; 374 struct nouveau_vm_pgd *vpgd, *tmp;
375 struct nouveau_gpuobj *pgd = NULL;
375 376
376 if (!pgd) 377 if (!mpgd)
377 return; 378 return;
378 379
379 mutex_lock(&vm->mm->mutex); 380 mutex_lock(&vm->mm->mutex);
380 list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) { 381 list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) {
381 if (vpgd->obj != pgd) 382 if (vpgd->obj == mpgd) {
382 continue; 383 pgd = vpgd->obj;
383 384 list_del(&vpgd->head);
384 list_del(&vpgd->head); 385 kfree(vpgd);
385 nouveau_gpuobj_ref(NULL, &vpgd->obj); 386 break;
386 kfree(vpgd); 387 }
387 } 388 }
388 mutex_unlock(&vm->mm->mutex); 389 mutex_unlock(&vm->mm->mutex);
390
391 nouveau_gpuobj_ref(NULL, &pgd);
389} 392}
390 393
391static void 394static void
@@ -396,8 +399,8 @@ nouveau_vm_del(struct nouveau_vm *vm)
396 list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) { 399 list_for_each_entry_safe(vpgd, tmp, &vm->pgd_list, head) {
397 nouveau_vm_unlink(vm, vpgd->obj); 400 nouveau_vm_unlink(vm, vpgd->obj);
398 } 401 }
399 WARN_ON(nouveau_mm_fini(&vm->mm) != 0);
400 402
403 nouveau_mm_fini(&vm->mm);
401 kfree(vm->pgt); 404 kfree(vm->pgt);
402 kfree(vm); 405 kfree(vm);
403} 406}