Revert "crypto: Fix regressions caused by iov_iter changes."

This reverts commit 750d8065d88bc72bd6e1fd9f896a964c35dda818.

Linus already fixed this in his tree so just use what
he did.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 5b11d64..eb78fe8 100644 (file)
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -348,7 +348,7 @@ int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len)
        if (n < 0)
                return n;
 
-       npages = DIV_ROUND_UP(off + n, PAGE_SIZE);
+       npages = PAGE_ALIGN(off + n);
        if (WARN_ON(npages == 0))
                return -EINVAL;
 

diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 0eb31a6..37110fd 100644 (file)
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -427,11 +427,11 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock,
        struct skcipher_sg_list *sgl;
        struct scatterlist *sg;
        int err = -EAGAIN;
+       int used;
        long copied = 0;
 
        lock_sock(sk);
        while (iov_iter_count(&msg->msg_iter)) {
-               int used;
                sgl = list_first_entry(&ctx->tsgl,
                                       struct skcipher_sg_list, list);
                sg = sgl->sg;
@@ -439,13 +439,14 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock,
                while (!sg->length)
                        sg++;
 
-               if (!ctx->used) {
+               used = ctx->used;
+               if (!used) {
                        err = skcipher_wait_for_data(sk, flags);
                        if (err)
                                goto unlock;
                }
 
-               used = min_t(unsigned long, ctx->used, iov_iter_count(&msg->msg_iter));
+               used = min_t(unsigned long, used, iov_iter_count(&msg->msg_iter));
 
                used = af_alg_make_sg(&ctx->rsgl, &msg->msg_iter, used);
                err = used;