- for (iov = msg->msg_iter.iov, iovlen = msg->msg_iter.nr_segs; iovlen > 0;
- iovlen--, iov++) {
- unsigned long seglen = iov->iov_len;
- char __user *from = iov->iov_base;
-
- while (seglen) {
- sgl = list_first_entry(&ctx->tsgl,
- struct skcipher_sg_list, list);
- sg = sgl->sg;
-
- while (!sg->length)
- sg++;
-
- if (!ctx->used) {
- err = skcipher_wait_for_data(sk, flags);
- if (err)
- goto unlock;
- }
+ while (iov_iter_count(&msg->msg_iter)) {
+ sgl = list_first_entry(&ctx->tsgl,
+ struct skcipher_sg_list, list);
+ sg = sgl->sg;