message: minor change per code review
diff: @@ -337,7 +337,6 @@ class MklConvCustomBackpropInputOp
  // Corner cases: output with 0 elements and 0 batch size.
  Tensor* diff_src_tensor = nullptr;
  - Tensor tmp_tensor;
  if (src_tf_shape.num_elements() == 0 ||
  filter_tf_shape.num_elements() == 0 ||
  diff_dst_tf_shape.num_elements() == 0) {
  @@ -432,6 +431,7 @@ class MklConvCustomBackpropInputOp
  bwd_diff_src_dims, bwd_diff_src_format);
  TensorShape diff_src_tf_shape;
  diff_src_tf_shape.AddDim(diff_src_pd.get_size() / sizeof(T));
  + Tensor tmp_tensor;
  if (eager_mode) {
  AllocTmpBuffer<T>(context, &tmp_tensor, diff_src_tf_shape);
  diff_src_tf_shape = diff_src_mkl_shape.GetTfShape();
  