sctp: remove macros sctp_spin_[un]lock

Redefined spin_[un]lock to sctp_spin_[un]lock for user space friendly
code which we haven't use in years, so removing them.

Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 10 insertions, 12 deletions

diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index c17121afe182..4f77e9811f9e 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -171,8 +171,6 @@ extern struct kmem_cache *sctp_bucket_cachep __read_mostly;
  */
 
 /* spin lock wrappers. */
-#define sctp_spin_lock(lock)    spin_lock(lock)
-#define sctp_spin_unlock(lock)  spin_unlock(lock)
 #define sctp_write_lock(lock)   write_lock(lock)
 #define sctp_write_unlock(lock) write_unlock(lock)
 #define sctp_read_lock(lock)    read_lock(lock)
@@ -349,11 +347,11 @@ static inline void sctp_skb_list_tail(struct sk_buff_head *list,
         unsigned long flags;
 
         spin_lock_irqsave(&head->lock, flags);
-        sctp_spin_lock(&list->lock);
+        spin_lock(&list->lock);
 
         skb_queue_splice_tail_init(list, head);
 
-        sctp_spin_unlock(&list->lock);
+        spin_unlock(&list->lock);
         spin_unlock_irqrestore(&head->lock, flags);
 }
 
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index f2e00059efdb..98532cbd842e 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -5937,14 +5937,14 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
                                 continue;
                         index = sctp_phashfn(sock_net(sk), rover);
                         head = &sctp_port_hashtable[index];
-                        sctp_spin_lock(&head->lock);
+                        spin_lock(&head->lock);
                         sctp_for_each_hentry(pp, &head->chain)
                                 if ((pp->port == rover) &&
                                     net_eq(sock_net(sk), pp->net))
                                         goto next;
                         break;
                 next:
-                        sctp_spin_unlock(&head->lock);
+                        spin_unlock(&head->lock);
                 } while (--remaining > 0);
 
                 /* Exhausted local port range during search? */
@@ -5965,7 +5965,7 @@ static long sctp_get_port_local(struct sock *sk, union sctp_addr *addr)
                  * port iterator, pp being NULL.
                  */
                 head = &sctp_port_hashtable[sctp_phashfn(sock_net(sk), snum)];
-                sctp_spin_lock(&head->lock);
+                spin_lock(&head->lock);
                 sctp_for_each_hentry(pp, &head->chain) {
                         if ((pp->port == snum) && net_eq(pp->net, sock_net(sk)))
                                 goto pp_found;
@@ -6049,7 +6049,7 @@ success:
         ret = 0;
 
 fail_unlock:
-        sctp_spin_unlock(&head->lock);
+        spin_unlock(&head->lock);
 
 fail:
         local_bh_enable();
@@ -6286,13 +6286,13 @@ static inline void __sctp_put_port(struct sock *sk)
                                                   inet_sk(sk)->inet_num)];
         struct sctp_bind_bucket *pp;
 
-        sctp_spin_lock(&head->lock);
+        spin_lock(&head->lock);
         pp = sctp_sk(sk)->bind_hash;
         __sk_del_bind_node(sk);
         sctp_sk(sk)->bind_hash = NULL;
         inet_sk(sk)->inet_num = 0;
         sctp_bucket_destroy(pp);
-        sctp_spin_unlock(&head->lock);
+        spin_unlock(&head->lock);
 }
 
 void sctp_put_port(struct sock *sk)
@@ -6951,12 +6951,12 @@ static void sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
         head = &sctp_port_hashtable[sctp_phashfn(sock_net(oldsk),
                                                  inet_sk(oldsk)->inet_num)];
         local_bh_disable();
-        sctp_spin_lock(&head->lock);
+        spin_lock(&head->lock);
         pp = sctp_sk(oldsk)->bind_hash;
         sk_add_bind_node(newsk, &pp->owner);
         sctp_sk(newsk)->bind_hash = pp;
         inet_sk(newsk)->inet_num = inet_sk(oldsk)->inet_num;
-        sctp_spin_unlock(&head->lock);
+        spin_unlock(&head->lock);
         local_bh_enable();
 
         /* Copy the bind_addr list from the original endpoint to the new