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crypto: Fix regressions caused by iov_iter changes.

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Al Viro 2015-02-10 21:24:55 -08:00 • committed by David S. Miller
parent b0f9ca53cb
commit 750d8065d8
2 changed files with 4 additions and 5 deletions
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2
crypto/af_alg.c
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@ -348,7 +348,7 @@ int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len)
if (n < 0) if (n < 0)
return n; return n;
npages = PAGE_ALIGN(off + n); npages = DIV_ROUND_UP(off + n, PAGE_SIZE);
if (WARN_ON(npages == 0)) if (WARN_ON(npages == 0))
return -EINVAL; return -EINVAL;

7
crypto/algif_skcipher.c
View file

@ -427,11 +427,11 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock,
struct skcipher_sg_list *sgl; struct skcipher_sg_list *sgl;
struct scatterlist *sg; struct scatterlist *sg;
int err = -EAGAIN; int err = -EAGAIN;
int used;
long copied = 0; long copied = 0;
lock_sock(sk); lock_sock(sk);
while (iov_iter_count(&msg->msg_iter)) { while (iov_iter_count(&msg->msg_iter)) {
int used;
sgl = list_first_entry(&ctx->tsgl, sgl = list_first_entry(&ctx->tsgl,
struct skcipher_sg_list, list); struct skcipher_sg_list, list);
sg = sgl->sg; sg = sgl->sg;
@ -439,14 +439,13 @@ static int skcipher_recvmsg(struct kiocb *unused, struct socket *sock,
while (!sg->length) while (!sg->length)
sg++; sg++;
used = ctx->used; if (!ctx->used) {
if (!used) {
err = skcipher_wait_for_data(sk, flags); err = skcipher_wait_for_data(sk, flags);
if (err) if (err)
goto unlock; goto unlock;
} }
used = min_t(unsigned long, used, iov_iter_count(&msg->msg_iter)); used = min_t(unsigned long, ctx->used, iov_iter_count(&msg->msg_iter));
used = af_alg_make_sg(&ctx->rsgl, &msg->msg_iter, used); used = af_alg_make_sg(&ctx->rsgl, &msg->msg_iter, used);
err = used; err = used;