drm/amdgpu: cleanup VM shadow BO unreferencing

Unreference the shadow BOs in the error path as well and drop the NULL checks.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-09-16 13:06:09 +02:00 committed by Alex Deucher
parent 0fc8683e56
commit 2698f6206f
1 changed files with 10 additions and 6 deletions

View File

@ -1430,6 +1430,7 @@ int amdgpu_vm_bo_map(struct amdgpu_device *adev,
r = amdgpu_vm_clear_bo(adev, vm, pt);
if (r) {
amdgpu_bo_unref(&pt->shadow);
amdgpu_bo_unref(&pt);
goto error_free;
}
@ -1636,6 +1637,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm)
return 0;
error_free_page_directory:
amdgpu_bo_unref(&vm->page_directory->shadow);
amdgpu_bo_unref(&vm->page_directory);
vm->page_directory = NULL;
@ -1675,15 +1677,17 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
}
for (i = 0; i < amdgpu_vm_num_pdes(adev); i++) {
if (vm->page_tables[i].entry.robj &&
vm->page_tables[i].entry.robj->shadow)
amdgpu_bo_unref(&vm->page_tables[i].entry.robj->shadow);
amdgpu_bo_unref(&vm->page_tables[i].entry.robj);
struct amdgpu_bo *pt = vm->page_tables[i].entry.robj;
if (!pt)
continue;
amdgpu_bo_unref(&pt->shadow);
amdgpu_bo_unref(&pt);
}
drm_free_large(vm->page_tables);
if (vm->page_directory->shadow)
amdgpu_bo_unref(&vm->page_directory->shadow);
amdgpu_bo_unref(&vm->page_directory->shadow);
amdgpu_bo_unref(&vm->page_directory);
fence_put(vm->page_directory_fence);
}