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: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 7 insertions, 13 deletions

diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 17eb09d222ff..ccae4a7ada8a 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -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