When kthread_run() returns failure, this worker hasn't been
added to the list, so btrfs_stop_workers() won't free it.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
worker->task = kthread_run(worker_loop, worker, "btrfs");
worker->workers = workers;
if (IS_ERR(worker->task)) {
worker->task = kthread_run(worker_loop, worker, "btrfs");
worker->workers = workers;
if (IS_ERR(worker->task)) {
ret = PTR_ERR(worker->task);
goto fail;
}
ret = PTR_ERR(worker->task);
goto fail;
}