diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_svm.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c index 5ff1a5a89d96..479c4f66afa7 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_svm.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_svm.c @@ -1522,6 +1522,8 @@ static void *kfd_svm_page_owner(struct kfd_process *p, int32_t gpuidx) struct kfd_process_device *pdd; pdd = kfd_process_device_from_gpuidx(p, gpuidx); + if (!pdd) + return NULL; return SVM_ADEV_PGMAP_OWNER(pdd->dev->adev); } @@ -1596,12 +1598,12 @@ static int svm_range_validate_and_map(struct mm_struct *mm, } if (bitmap_empty(ctx->bitmap, MAX_GPU_INSTANCE)) { - if (!prange->mapped_to_gpu) { + bitmap_copy(ctx->bitmap, prange->bitmap_access, MAX_GPU_INSTANCE); + if (!prange->mapped_to_gpu || + bitmap_empty(ctx->bitmap, MAX_GPU_INSTANCE)) { r = 0; goto free_ctx; } - - bitmap_copy(ctx->bitmap, prange->bitmap_access, MAX_GPU_INSTANCE); } if (prange->actual_loc && !prange->ttm_res) { |