!8961 nfp: Fix memory leak in nfp_cpp_area_cache_add()

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Huafei <lihuafei1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/QTLGQL4PVQOO42WGDCXO4CSPR4TUGMWO/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9S258 
 
Link:https://gitee.com/openeuler/kernel/pulls/8961

 

Reviewed-by: Ye Weihua <yeweihua4@huawei.com>
Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>