net: speedup sk_wake_async()

[safe/jmp/linux-2.6] / net / socket.c

diff --git a/net/socket.c b/net/socket.c
index 7565536..d53ad11 100644 (file)
--- a/net/socket.c
+++ b/net/socket.c
@@ -1100,11 +1100,14 @@ static int sock_fasync(int fd, struct file *filp, int on)
                fna->fa_next = sock->fasync_list;
                write_lock_bh(&sk->sk_callback_lock);
                sock->fasync_list = fna;
+               sock_set_flag(sk, SOCK_FASYNC);
                write_unlock_bh(&sk->sk_callback_lock);
        } else {
                if (fa != NULL) {
                        write_lock_bh(&sk->sk_callback_lock);
                        *prev = fa->fa_next;
+                       if (!sock->fasync_list)
+                               sock_reset_flag(sk, SOCK_FASYNC);
                        write_unlock_bh(&sk->sk_callback_lock);
                        kfree(fa);
                }