!4131 [sync] PR-4100: netfilter: nf_tables: fix pointer math issue in nft_byteorder_eval()

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/4100 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/MSKVKD6CJN346PQUXPTDOQTW2ISV3FSC/ 
 
https://gitee.com/src-openeuler/kernel/issues/I8WQRG 
 
Link:https://gitee.com/openeuler/kernel/pulls/4131

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>