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Date: Fri, 25 Feb 2011 11:14:56 +0200 From: Rémi Denis-Courmont <remi.denis-courmont@...ia.com> To: netdev@...r.kernel.org Subject: [PATCH 1/6] Phonet: allow multiple listen() and fix small race condition Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@...ia.com> --- net/phonet/socket.c | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/net/phonet/socket.c b/net/phonet/socket.c index 25f746d..ceb5143 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -428,19 +428,19 @@ static int pn_socket_listen(struct socket *sock, int backlog) struct sock *sk = sock->sk; int err = 0; - if (sock->state != SS_UNCONNECTED) - return -EINVAL; if (pn_socket_autobind(sock)) return -ENOBUFS; lock_sock(sk); - if (sk->sk_state != TCP_CLOSE) { + if (sock->state != SS_UNCONNECTED) { err = -EINVAL; goto out; } - sk->sk_state = TCP_LISTEN; - sk->sk_ack_backlog = 0; + if (sk->sk_state != TCP_LISTEN) { + sk->sk_state = TCP_LISTEN; + sk->sk_ack_backlog = 0; + } sk->sk_max_ack_backlog = backlog; out: release_sock(sk); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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