On Wed, Oct 06, 2021 at 11:18:00AM +0800, Hillf Danton wrote: > +++ b/drivers/infiniband/core/addr.c > @@ -795,6 +795,11 @@ void rdma_addr_cancel(struct rdma_dev_ad > * guarentees no work is running and none will be started. > */ > cancel_delayed_work_sync(&found->work); > + /* > + * flush is needed if work is queued again while it is running, as > + * cancel waits nothing. > + */ > + flush_work(&found->work); The _sync() above does the same, cancel doesn't return while the work is running Jason
