Commit 466e0759 authored by Eric Biggers's avatar Eric Biggers Committed by Herbert Xu
Browse files

crypto: af_alg - make some functions static 



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: default avatarEric Biggers <ebiggers@google.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 554557ce

crypto/af_alg.c

+7 −13
Original line number Diff line number Diff line
@@ -425,12 +425,12 @@ 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)

{
@@ -441,7 +441,7 @@ 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;
@@ -480,7 +480,6 @@ 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
@@ -488,7 +487,7 @@ 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;
@@ -517,7 +516,6 @@ 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
@@ -654,7 +652,7 @@ 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);
@@ -683,7 +681,6 @@ 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
@@ -692,7 +689,7 @@ 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;
@@ -717,7 +714,6 @@ 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
@@ -786,8 +782,7 @@ 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;
@@ -805,7 +800,6 @@ 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

include/crypto/if_alg.h

+0 −7
Original line number Diff line number Diff line
@@ -169,9 +169,6 @@ int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern); 


int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len);

void af_alg_free_sg(struct af_alg_sgl *sgl);

void af_alg_link_sg(struct af_alg_sgl *sgl_prev, struct af_alg_sgl *sgl_new);



int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con);



static inline struct alg_sock *alg_sk(struct sock *sk)

{
@@ -230,15 +227,11 @@ static inline bool af_alg_readable(struct sock *sk) 
	return PAGE_SIZE <= af_alg_rcvbuf(sk);

}



int af_alg_alloc_tsgl(struct sock *sk);

unsigned int af_alg_count_tsgl(struct sock *sk, size_t bytes, size_t offset);

void af_alg_pull_tsgl(struct sock *sk, size_t used, struct scatterlist *dst,

		      size_t dst_offset);

void af_alg_free_areq_sgls(struct af_alg_async_req *areq);

int af_alg_wait_for_wmem(struct sock *sk, unsigned int flags);

void af_alg_wmem_wakeup(struct sock *sk);

int af_alg_wait_for_data(struct sock *sk, unsigned flags);

void af_alg_data_wakeup(struct sock *sk);

int af_alg_sendmsg(struct socket *sock, struct msghdr *msg, size_t size,

		   unsigned int ivsize);

ssize_t af_alg_sendpage(struct socket *sock, struct page *page,