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Code Issues Releases Wiki Activity

af_alg_make_sg(): switch to advancing variant of iov_iter_get_pages() 

... and adjust the callers

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2022-06-09 11:14:04 -04:00
parent 7d690c157c
commit dc5801f60b
2 changed files with 4 additions and 4 deletions
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3
crypto/af_alg.c
View File

@ -404,7 +404,7 @@ int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len)
ssize_t n; ssize_t n;
int npages, i; int npages, i;
n = iov_iter_get_pages(iter, sgl->pages, len, ALG_MAX_PAGES, &off); n = iov_iter_get_pages2(iter, sgl->pages, len, ALG_MAX_PAGES, &off);
if (n < 0) if (n < 0)
return n; return n;
@ -1191,7 +1191,6 @@ int af_alg_get_rsgl(struct sock *sk, struct msghdr *msg, int flags,
len += err; len += err;
atomic_add(err, &ctx->rcvused); atomic_add(err, &ctx->rcvused);
rsgl->sg_num_bytes = err; rsgl->sg_num_bytes = err;
iov_iter_advance(&msg->msg_iter, err);
} }
*outlen = len; *outlen = len;

5
crypto/algif_hash.c
View File

@ -102,11 +102,12 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg,
err = crypto_wait_req(crypto_ahash_update(&ctx->req), err = crypto_wait_req(crypto_ahash_update(&ctx->req),
&ctx->wait); &ctx->wait);
af_alg_free_sg(&ctx->sgl); af_alg_free_sg(&ctx->sgl);
if (err) if (err) {
iov_iter_revert(&msg->msg_iter, len);
goto unlock; goto unlock;
}
copied += len; copied += len;
iov_iter_advance(&msg->msg_iter, len);
} }
err = 0; err = 0;