> Some functions did not set rte_errno; for avoiding that, they are turned
> into single-exit ones.
>
> Bugzilla ID: 1559
> Signed-off-by: Ariel Otilibili <ariel.otilibili@6wind.com>

But reading through public API comments none of these functions are
expected to set rte_errno value.
If rte_mempool_create_empty() forgets to set rte_errno, why it is not
enough just to add missing one in rte_mempool_create_empty()?