From d5f2d2be68876f65dd051b978a7b66265fde9ffd Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Mon, 16 Feb 2009 02:57:30 +0100 Subject: [PATCH] Bluetooth: Fix poll() misbehavior when using BT_DEFER_SETUP When BT_DEFER_SETUP has been enabled on a Bluetooth socket it keeps signaling POLLIN all the time. This is a wrong behavior. The POLLIN should only be signaled if the client socket is in BT_CONNECT2 state and the parent has been BT_DEFER_SETUP enabled. Signed-off-by: Marcel Holtmann --- net/bluetooth/af_bluetooth.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index ded57974390e..02b9baa1930b 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -270,12 +270,11 @@ static inline unsigned int bt_accept_poll(struct sock *parent) struct list_head *p, *n; struct sock *sk; - if (bt_sk(parent)->defer_setup) - return POLLIN | POLLRDNORM; - list_for_each_safe(p, n, &bt_sk(parent)->accept_q) { sk = (struct sock *) list_entry(p, struct bt_sock, accept_q); - if (sk->sk_state == BT_CONNECTED) + if (sk->sk_state == BT_CONNECTED || + (bt_sk(parent)->defer_setup && + sk->sk_state == BT_CONNECT2)) return POLLIN | POLLRDNORM; } -- 2.39.2