Fix race condition which can result in missing the wakeup intended
to stop the session thread.
Signed-off-by: Peter Hurley <[email protected]>
---
net/bluetooth/bnep/core.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index ca39fcf..7e8ff3c 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -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 */
--
1.7.4.1