[IA64] SGI Altix : fix a force_interrupt bug on altix

[safe/jmp/linux-2.6] / net / rose / af_rose.c

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 806bf6f..976c3cc 100644 (file)
--- 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;
@@ -1456,7 +1454,7 @@ static int rose_info_show(struct seq_file *seq, void *v)
        return 0;
 }
 
-static struct seq_operations rose_info_seqops = {
+static const struct seq_operations rose_info_seqops = {
        .start = rose_info_start,
        .next = rose_info_next,
        .stop = rose_info_stop,