message: Add missing `return`s to SparseFillEmptyRows GPU
diff: @@ -225,7 +225,7 @@ struct SparseFillEmptyRows<GPUDevice, T, Tindex> {
  ->ThenMemZero(&elements_per_row_gpu_memory,
  dense_rows * sizeof(Tindex))
  .ok()) {
  - errors::Internal("Failed to zero elements_per_row");
  + return errors::Internal("Failed to zero elements_per_row");
  }
  Tensor rows_are_not_ordered_t;
  TF_RETURN_IF_ERROR(context->allocate_temp(DT_INT32, TensorShape({1}),
  @@ -235,7 +235,7 @@ struct SparseFillEmptyRows<GPUDevice, T, Tindex> {
  rows_are_not_ordered_gpu.data(), sizeof(int));
  if (!stream->ThenMemZero(&rows_are_not_ordered_gpu_memory, sizeof(int))
  .ok()) {
  - errors::Internal("Failed to zero rows_are_not_ordered");
  + return errors::Internal("Failed to zero rows_are_not_ordered");
  }
  TF_RETURN_IF_ERROR(wrap_kernel_call(
  @@ -350,7 +350,7 @@ struct SparseFillEmptyRows<GPUDevice, T, Tindex> {
  sizeof(*num_empty_rows_host.data())),
  sizeof(*num_empty_rows_host.data()))
  .ok()) {
  - errors::Internal("Failed to copy num_empty_rows to host");
  + return errors::Internal("Failed to copy num_empty_rows to host");
  }
  ScratchSpace<int> rows_are_not_ordered_host(context, 1, /* on_host */ true);
  @@ -359,7 +359,7 @@ struct SparseFillEmptyRows<GPUDevice, T, Tindex> {
  rows_are_not_ordered_gpu_memory,
  sizeof(*rows_are_not_ordered_host.data()))
  .ok()) {
  - errors::Internal("Failed to copy rows_are_not_ordered to host");
  + return errors::Internal("Failed to copy rows_are_not_ordered to host");
  }
  // We must wait for num_empty_rows and rows_are_not_ordered to be copied to
  