diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c index aa9ee5dffa45..890123bf8ee8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c @@ -706,10 +706,11 @@ struct amdgpu_ttm_tt { * memory and start HMM tracking CPU page table update * * Calling function must call amdgpu_ttm_tt_userptr_range_done() once and only - * once afterwards to stop HMM tracking + * once afterwards to stop HMM tracking. Its the caller responsibility to ensure + * that range is a valid memory and it is freed too. */ int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, - struct hmm_range **range) + struct hmm_range *range) { struct ttm_tt *ttm = bo->tbo.ttm; struct amdgpu_ttm_tt *gtt = ttm_to_amdgpu_ttm_tt(ttm); @@ -719,9 +720,6 @@ int amdgpu_ttm_tt_get_user_pages(struct amdgpu_bo *bo, bool readonly; int r = 0; - /* Make sure get_user_pages_done() can cleanup gracefully */ - *range = NULL; - mm = bo->notifier.mm; if (unlikely(!mm)) { DRM_DEBUG_DRIVER("BO is not registered?\n"); |