Bluetooth: l2cap: Fix lost wakeup waiting for ERTM acks
Fix race condition which can result in missing wakeup during l2cap socket shutdown. Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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@ -1159,9 +1159,8 @@ int __l2cap_wait_ack(struct sock *sk)
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int timeo = HZ/5;
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add_wait_queue(sk_sleep(sk), &wait);
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while ((chan->unacked_frames > 0 && chan->conn)) {
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set_current_state(TASK_INTERRUPTIBLE);
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set_current_state(TASK_INTERRUPTIBLE);
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while (chan->unacked_frames > 0 && chan->conn) {
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if (!timeo)
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timeo = HZ/5;
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@ -1173,6 +1172,7 @@ int __l2cap_wait_ack(struct sock *sk)
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release_sock(sk);
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timeo = schedule_timeout(timeo);
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lock_sock(sk);
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set_current_state(TASK_INTERRUPTIBLE);
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err = sock_error(sk);
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if (err)
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