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Commit 38d57555 authored by Peter Hurley's avatar Peter Hurley Committed by Gustavo Padovan
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Bluetooth: bnep: Fix lost wakeup of session thread 



Fix race condition which can result in missing the wakeup intended
to stop the session thread.

Signed-off-by: default avatarPeter Hurley <peter@hurleysoftware.com>
Signed-off-by: default avatarGustavo F. Padovan <padovan@profusion.mobi>
parent 552b0d3c

net/bluetooth/bnep/core.c

+4 −2
Original line number Diff line number Diff line
@@ -484,9 +484,11 @@ static int bnep_session(void *arg) 


	init_waitqueue_entry(&wait, current);

	add_wait_queue(sk_sleep(sk), &wait);

	while (!kthread_should_stop()) {

	while (1) {

		set_current_state(TASK_INTERRUPTIBLE);



		if (kthread_should_stop())

			break;

		/* RX */

		while ((skb = skb_dequeue(&sk->sk_receive_queue))) {

			skb_orphan(skb);
@@ -504,7 +506,7 @@ static int bnep_session(void *arg) 


		schedule();

	}

	set_current_state(TASK_RUNNING);

	__set_current_state(TASK_RUNNING);

	remove_wait_queue(sk_sleep(sk), &wait);



	/* Cleanup session */