workqueue: simplify the apply_workqueue_attrs_locked()
authorwanghaibin <wanghaibin.wang@huawei.com>
Thu, 7 Jan 2016 12:38:59 +0000 (20:38 +0800)
committerTejun Heo <tj@kernel.org>
Thu, 7 Jan 2016 16:04:34 +0000 (11:04 -0500)
commit6201171e3b2c02992e62448636631a0dfe4e9d20
tree4f930c7f753879548d0baf776f3439056ed0fc01
parent82607adcf9cdf40fb7b5331269780c8f70ec6e35
workqueue: simplify the apply_workqueue_attrs_locked()

If the apply_wqattrs_prepare() returns NULL, it has already cleaned up
the related resources, so it can return directly and avoid calling the
clean up function again.

This doesn't introduce any functional changes.

Signed-off-by: wanghaibin <wanghaibin.wang@huawei.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
kernel/workqueue.c