Lu Jingxiao c2d8b3d476 cio: FIFOSet.Close() check if FIFOSet is nill to prevent NPE
Reference:6a2d3990d1

Signed-off-by: Lu Jingxiao <lujingxiao@huawei.com>
(cherry picked from commit e2ac8064dedf7540f776d2a5c287a4ed1fa15f2b)
2024-03-05 10:01:51 +08:00
..
2019-12-30 12:24:38 +08:00