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crypto: af_alg - make some functions static

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[ Upstream commit 466e0759269d31485074126700574230bfff3b1c ]

Some exported functions in af_alg.c aren't used outside of that file.
Therefore, un-export them and make them 'static'.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Stable-dep-of: f3c802a1f300 ("crypto: algif_aead - Only wake up when ctx->more is zero")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eric Biggers
2019-01-10 12:18:00 -08:00
committed by Sasha Levin
parent 17a1144baa
commit 0ca02d4bee
2 changed files with 7 additions and 20 deletions
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20
crypto/af_alg.c
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@@ -429,12 +429,12 @@ int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len)
}
EXPORT_SYMBOL_GPL(af_alg_make_sg);
void af_alg_link_sg(struct af_alg_sgl *sgl_prev, struct af_alg_sgl *sgl_new)
static void af_alg_link_sg(struct af_alg_sgl *sgl_prev,
struct af_alg_sgl *sgl_new)
{
sg_unmark_end(sgl_prev->sg + sgl_prev->npages - 1);
sg_chain(sgl_prev->sg, sgl_prev->npages + 1, sgl_new->sg);
}
EXPORT_SYMBOL_GPL(af_alg_link_sg);
void af_alg_free_sg(struct af_alg_sgl *sgl)
{
@@ -445,7 +445,7 @@ void af_alg_free_sg(struct af_alg_sgl *sgl)
}
EXPORT_SYMBOL_GPL(af_alg_free_sg);
int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
static int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
{
struct cmsghdr *cmsg;
@@ -484,7 +484,6 @@ int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
return 0;
}
EXPORT_SYMBOL_GPL(af_alg_cmsg_send);
/**
* af_alg_alloc_tsgl - allocate the TX SGL
@@ -492,7 +491,7 @@ EXPORT_SYMBOL_GPL(af_alg_cmsg_send);
* @sk socket of connection to user space
* @return: 0 upon success, < 0 upon error
*/
int af_alg_alloc_tsgl(struct sock *sk)
static int af_alg_alloc_tsgl(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct af_alg_ctx *ctx = ask->private;
@@ -521,7 +520,6 @@ int af_alg_alloc_tsgl(struct sock *sk)
return 0;
}
EXPORT_SYMBOL_GPL(af_alg_alloc_tsgl);
/**
* aead_count_tsgl - Count number of TX SG entries
@@ -658,7 +656,7 @@ EXPORT_SYMBOL_GPL(af_alg_pull_tsgl);
*
* @areq Request holding the TX and RX SGL
*/
void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
static void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
{
struct sock *sk = areq->sk;
struct alg_sock *ask = alg_sk(sk);
@@ -687,7 +685,6 @@ void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
sock_kfree_s(sk, tsgl, areq->tsgl_entries * sizeof(*tsgl));
}
}
EXPORT_SYMBOL_GPL(af_alg_free_areq_sgls);
/**
* af_alg_wait_for_wmem - wait for availability of writable memory
@@ -696,7 +693,7 @@ EXPORT_SYMBOL_GPL(af_alg_free_areq_sgls);
* @flags If MSG_DONTWAIT is set, then only report if function would sleep
* @return 0 when writable memory is available, < 0 upon error
*/
int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags)
static int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags)
{
DEFINE_WAIT_FUNC(wait, woken_wake_function);
int err = -ERESTARTSYS;
@@ -721,7 +718,6 @@ int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags)
return err;
}
EXPORT_SYMBOL_GPL(af_alg_wait_for_wmem);
/**
* af_alg_wmem_wakeup - wakeup caller when writable memory is available
@@ -790,8 +786,7 @@ EXPORT_SYMBOL_GPL(af_alg_wait_for_data);
*
* @sk socket of connection to user space
*/
void af_alg_data_wakeup(struct sock *sk)
static void af_alg_data_wakeup(struct sock *sk)
{
struct alg_sock *ask = alg_sk(sk);
struct af_alg_ctx *ctx = ask->private;
@@ -809,7 +804,6 @@ void af_alg_data_wakeup(struct sock *sk)
sk_wake_async(sk, SOCK_WAKE_SPACE, POLL_OUT);
rcu_read_unlock();
}
EXPORT_SYMBOL_GPL(af_alg_data_wakeup);
/**
* af_alg_sendmsg - implementation of sendmsg system call handler