Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 3a3f5c7d authored by Peter Hurley's avatar Peter Hurley Committed by Gustavo Padovan
Browse files

Bluetooth: cmtp: 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 38d57555

net/bluetooth/cmtp/core.c

+4 −2
Original line number Diff line number Diff line
@@ -292,9 +292,11 @@ static int cmtp_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;

		if (sk->sk_state != BT_CONNECTED)

			break;
@@ -307,7 +309,7 @@ static int cmtp_session(void *arg) 


		schedule();

	}

	set_current_state(TASK_RUNNING);

	__set_current_state(TASK_RUNNING);

	remove_wait_queue(sk_sleep(sk), &wait);



	down_write(&cmtp_session_sem);