01/12/2021 22:37, Tyler Retzlaff:

On Wed, Nov 24, 2021 at 06:04:56PM +0000, Bruce Richardson wrote:

quoted

  if (ret < 0 && rte_errno == EAGAIN)

i only urge that this be explicit as opposed to a range i.e. ret == -1
preferred over ret < 0

I don't understand why you think it is important to limit return value to -1.
Why "if (ret == -1)" is better than "if (ret < 0)" ?