[RFC PATCH v2 36/48] algif: Remove hash_sendpage*()

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Remove hash_sendpage*()..

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
cc: Eric Dumazet <edumazet@xxxxxxxxxx>
cc: Jakub Kicinski <kuba@xxxxxxxxxx>
cc: Paolo Abeni <pabeni@xxxxxxxxxx>
cc: Jens Axboe <axboe@xxxxxxxxx>
cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
cc: linux-crypto@xxxxxxxxxxxxxxx
cc: netdev@xxxxxxxxxxxxxxx
---
 crypto/algif_hash.c | 66 ---------------------------------------------
 1 file changed, 66 deletions(-)

diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c
index b89c2c50cecc..dc6c45637b2d 100644
--- a/crypto/algif_hash.c
+++ b/crypto/algif_hash.c
@@ -162,58 +162,6 @@ static int hash_sendmsg(struct socket *sock, struct msghdr *msg,
 	goto unlock;
 }
 
-static ssize_t hash_sendpage(struct socket *sock, struct page *page,
-			     int offset, size_t size, int flags)
-{
-	struct sock *sk = sock->sk;
-	struct alg_sock *ask = alg_sk(sk);
-	struct hash_ctx *ctx = ask->private;
-	int err;
-
-	if (flags & MSG_SENDPAGE_NOTLAST)
-		flags |= MSG_MORE;
-
-	lock_sock(sk);
-	sg_init_table(ctx->sgl.sgl, 1);
-	sg_set_page(ctx->sgl.sgl, page, size, offset);
-
-	if (!(flags & MSG_MORE)) {
-		err = hash_alloc_result(sk, ctx);
-		if (err)
-			goto unlock;
-	} else if (!ctx->more)
-		hash_free_result(sk, ctx);
-
-	ahash_request_set_crypt(&ctx->req, ctx->sgl.sgl, ctx->result, size);
-
-	if (!(flags & MSG_MORE)) {
-		if (ctx->more)
-			err = crypto_ahash_finup(&ctx->req);
-		else
-			err = crypto_ahash_digest(&ctx->req);
-	} else {
-		if (!ctx->more) {
-			err = crypto_ahash_init(&ctx->req);
-			err = crypto_wait_req(err, &ctx->wait);
-			if (err)
-				goto unlock;
-		}
-
-		err = crypto_ahash_update(&ctx->req);
-	}
-
-	err = crypto_wait_req(err, &ctx->wait);
-	if (err)
-		goto unlock;
-
-	ctx->more = flags & MSG_MORE;
-
-unlock:
-	release_sock(sk);
-
-	return err ?: size;
-}
-
 static int hash_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
 			int flags)
 {
@@ -318,7 +266,6 @@ static struct proto_ops algif_hash_ops = {
 
 	.release	=	af_alg_release,
 	.sendmsg	=	hash_sendmsg,
-	.sendpage	=	hash_sendpage,
 	.recvmsg	=	hash_recvmsg,
 	.accept		=	hash_accept,
 };
@@ -370,18 +317,6 @@ static int hash_sendmsg_nokey(struct socket *sock, struct msghdr *msg,
 	return hash_sendmsg(sock, msg, size);
 }
 
-static ssize_t hash_sendpage_nokey(struct socket *sock, struct page *page,
-				   int offset, size_t size, int flags)
-{
-	int err;
-
-	err = hash_check_key(sock);
-	if (err)
-		return err;
-
-	return hash_sendpage(sock, page, offset, size, flags);
-}
-
 static int hash_recvmsg_nokey(struct socket *sock, struct msghdr *msg,
 			      size_t ignored, int flags)
 {
@@ -420,7 +355,6 @@ static struct proto_ops algif_hash_ops_nokey = {
 
 	.release	=	af_alg_release,
 	.sendmsg	=	hash_sendmsg_nokey,
-	.sendpage	=	hash_sendpage_nokey,
 	.recvmsg	=	hash_recvmsg_nokey,
 	.accept		=	hash_accept_nokey,
 };





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