driver inclusion
category: bugfix
bugzilla: NA
CVE: NA

Previously, when changing the ring parameters, we free the old
ring resources firstly, and then setup the new ring resources.
In some case of an allocation fail, there will be no resources
to use. This patch refines it by setup new ring resources and
free the old ring resources in order.

Feature or Bugfix:Bugfix
Signed-off-by: Nshenjian (K) <shenjian15@huawei.com>
Reviewed-by: Nlipeng <lipeng321@huawei.com>
Reviewed-by: NYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: NYang Yingliang <yangyingliang@huawei.com>