Fix race condition which can result in missing the wakeup intended
to stop the session thread.
Signed-off-by: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
---
net/bluetooth/cmtp/core.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c
index c5b11af..2eb854a 100644
--- a/net/bluetooth/cmtp/core.c
+++ b/net/bluetooth/cmtp/core.c
@@ -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);
--
1.7.4.1
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