UPSTREAM: io_uring: ensure that send/sendmsg and recv/recvmsg check sqe->ioprio

commit 73911426 upstream.

All other opcodes correctly check if this is set and -EINVAL if it is
and they don't support that field, for some reason the these were
forgotten.

This was unified a bit differently in the upstream tree, but had the
same effect as making sure we error on this field. Rather than have
a painful backport of the upstream commit, just fixup the mentioned
opcodes.

Bug: 268174392
Change-Id: I2cfbcec1f612c2ea7369bccab64bee15e255809a
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit c9fc52c1)
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>