net: use helpers to change sk_ack_backlog
Writers are holding a lock, but many readers do not.
Following patch will add appropriate barriers in
sk_acceptq_removed() and sk_acceptq_added().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index 6aee9f5..c34f7d0 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -891,7 +891,7 @@ static int x25_accept(struct socket *sock, struct socket *newsock, int flags,
/* Now attach up the new socket */
skb->sk = NULL;
kfree_skb(skb);
- sk->sk_ack_backlog--;
+ sk_acceptq_removed(sk);
newsock->state = SS_CONNECTED;
rc = 0;
out2:
@@ -1062,7 +1062,7 @@ int x25_rx_call_request(struct sk_buff *skb, struct x25_neigh *nb,
skb_copy_from_linear_data(skb, makex25->calluserdata.cuddata, skb->len);
makex25->calluserdata.cudlength = skb->len;
- sk->sk_ack_backlog++;
+ sk_acceptq_added(sk);
x25_insert_socket(make);