[AX25/NETROM/ROSE]: Convert to use modern wait queue API

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 26 insertions, 28 deletions

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 806bf6f5dc6d..d476c43d5216 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -812,26 +812,26 @@ rose_try_next_neigh:
          * closed.
          */
         if (sk->sk_state == TCP_SYN_SENT) {
-                struct task_struct *tsk = current;
-                DECLARE_WAITQUEUE(wait, tsk);
+                DEFINE_WAIT(wait);
 
-                add_wait_queue(sk->sk_sleep, &wait);
                 for (;;) {
-                        set_current_state(TASK_INTERRUPTIBLE);
+                        prepare_to_wait(sk->sk_sleep, &wait,
+                                        TASK_INTERRUPTIBLE);
                         if (sk->sk_state != TCP_SYN_SENT)
                                 break;
-                        release_sock(sk);
-                        if (!signal_pending(tsk)) {
+                        if (!signal_pending(current)) {
+                                release_sock(sk);
                                 schedule();
                                 lock_sock(sk);
                                 continue;
                         }
-                        current->state = TASK_RUNNING;
-                        remove_wait_queue(sk->sk_sleep, &wait);
-                        return -ERESTARTSYS;
+                        err = -ERESTARTSYS;
+                        break;
                 }
-                current->state = TASK_RUNNING;
-                remove_wait_queue(sk->sk_sleep, &wait);
+                finish_wait(sk->sk_sleep, &wait);
+
+                if (err)
+                        goto out_release;
         }
 
         if (sk->sk_state != TCP_ESTABLISHED) {
@@ -856,10 +856,9 @@ out_release:
 
 static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
 {
-        struct task_struct *tsk = current;
-        DECLARE_WAITQUEUE(wait, tsk);
         struct sk_buff *skb;
         struct sock *newsk;
+        DEFINE_WAIT(wait);
         struct sock *sk;
         int err = 0;
 
@@ -869,42 +868,41 @@ static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
         lock_sock(sk);
         if (sk->sk_type != SOCK_SEQPACKET) {
                 err = -EOPNOTSUPP;
-                goto out;
+                goto out_release;
         }
 
         if (sk->sk_state != TCP_LISTEN) {
                 err = -EINVAL;
-                goto out;
+                goto out_release;
         }
 
         /*
          *      The write queue this time is holding sockets ready to use
          *      hooked into the SABM we saved
          */
-        add_wait_queue(sk->sk_sleep, &wait);
         for (;;) {
+                prepare_to_wait(sk->sk_sleep, &wait, TASK_INTERRUPTIBLE);
+
                 skb = skb_dequeue(&sk->sk_receive_queue);
                 if (skb)
                         break;
 
-                current->state = TASK_INTERRUPTIBLE;
-                release_sock(sk);
                 if (flags & O_NONBLOCK) {
-                        current->state = TASK_RUNNING;
-                        remove_wait_queue(sk->sk_sleep, &wait);
-                        return -EWOULDBLOCK;
+                        err = -EWOULDBLOCK;
+                        break;
                 }
-                if (!signal_pending(tsk)) {
+                if (!signal_pending(current)) {
+                        release_sock(sk);
                         schedule();
                         lock_sock(sk);
                         continue;
                 }
-                current->state = TASK_RUNNING;
-                remove_wait_queue(sk->sk_sleep, &wait);
-                return -ERESTARTSYS;
+                err = -ERESTARTSYS;
+                break;
         }
-        current->state = TASK_RUNNING;
-        remove_wait_queue(sk->sk_sleep, &wait);
+        finish_wait(sk->sk_sleep, &wait);
+        if (err)
+                goto out_release;
 
         newsk = skb->sk;
         newsk->sk_socket = newsock;
@@ -916,7 +914,7 @@ static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
         sk->sk_ack_backlog--;
         newsock->sk = newsk;
 
-out:
+out_release:
         release_sock(sk);
 
         return err;