decnet: Use data ready call back, rather than hand coding it

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 13 deletions

diff --git a/net/decnet/dn_nsp_in.c b/net/decnet/dn_nsp_in.c
index 5d8a2a56fd39..932408dca86d 100644
--- a/net/decnet/dn_nsp_in.c
+++ b/net/decnet/dn_nsp_in.c
@@ -578,6 +578,7 @@ out:
 static __inline__ int dn_queue_skb(struct sock *sk, struct sk_buff *skb, int sig, struct sk_buff_head *queue)
 {
         int err;
+        int skb_len;
 
         /* Cast skb->rcvbuf to unsigned... It's pointless, but reduces
            number of warnings when compiling with -W --ANK
@@ -592,22 +593,12 @@ static __inline__ int dn_queue_skb(struct sock *sk, struct sk_buff *skb, int sig
         if (err)
                 goto out;
 
+        skb_len = skb->len;
         skb_set_owner_r(skb, sk);
         skb_queue_tail(queue, skb);
 
-        /* This code only runs from BH or BH protected context.
-         * Therefore the plain read_lock is ok here. -DaveM
-         */
-        read_lock(&sk->sk_callback_lock);
-        if (!sock_flag(sk, SOCK_DEAD)) {
-                struct socket *sock = sk->sk_socket;
-                wake_up_interruptible(sk->sk_sleep);
-                if (sock && sock->fasync_list &&
-                    !test_bit(SOCK_ASYNC_WAITDATA, &sock->flags))
-                        __kill_fasync(sock->fasync_list, sig,
-                                    (sig == SIGURG) ? POLL_PRI : POLL_IN);
-        }
-        read_unlock(&sk->sk_callback_lock);
+        if (!sock_flag(sk, SOCK_DEAD))
+                sk->sk_data_ready(sk, skb_len);
 out:
         return err;
 }