Re: [PATCH v3 net-next 10/19] tls: Fix zerocopy_from_iter iov handling

On 07/11/18 10:54 PM, Boris Pismenny wrote:

zerocopy_from_iter iterates over the message, but it doesn't revert the
updates made by the iov iteration. This patch fixes it. Now, the iov can
be used after calling zerocopy_from_iter.

This breaks tests (which I will send up as selftests shortly).  I
believe we are depending on zerocopy_from_iter to advance the iter,
and if zerocopy_from_iter returns a failure, then we revert it.  So
you can revert it here if you want, but you'd have to advance it if we
actually used it instead.