> >>> Your observation seems correct to me, though I have not tried to
> >>> test your patch.
> >>
> >> +1 to apply, this looks correct and passes tests. Scanning around I
> >> +didn't see
> >> any other occurrences of the same pattern.
> >
> > Thanks. I am thinking to backpatch this even though there is no
> > problem reported from any production system. What do you think?
>
> No objections from me.
+1
Best regards,
houzj
