tree b330398099f3da04395326250a747399495dc906
parent 31a25fae85956e3a9c778141d29e5e803fb0b124
author Al Viro <viro@zeniv.linux.org.uk> 1417210765 -0500
committer Al Viro <viro@zeniv.linux.org.uk> 1423031655 -0500

crypto: switch af_alg_make_sg() to iov_iter

With that, all ->sendmsg() instances are converted to iov_iter primitives
and are agnostic wrt the kind of iov_iter they are working with.
So's the last remaining ->recvmsg() instance that wasn't kind-agnostic yet.
All ->sendmsg() and ->recvmsg() advance ->msg_iter by the amount actually
copied and none of them modifies the underlying iovec, etc.

Cc: linux-crypto@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>