workqueue: make workqueue_exit() safe for multiple exit calls
authorJens Axboe <axboe@fb.com>
Tue, 8 Dec 2015 19:37:30 +0000 (12:37 -0700)
committerJens Axboe <axboe@fb.com>
Tue, 8 Dec 2015 19:37:30 +0000 (12:37 -0700)
commitf8e266c9ef5a4754f3482b71d2e0f239cf2a1d28
tree7677a4dd46787dc169cd38ef9ca56771495be4d4
parent103b174e80264fc6867fa349dee356c81c3337ca
workqueue: make workqueue_exit() safe for multiple exit calls

This might happen if we fail init.

Signed-off-by: Jens Axboe <axboe@fb.com>
workqueue.c