Warnings before patch:
files: ['net/sched/act_csum.c']
Warning: net/sched/act_csum.c:136 No description found for return value of 'tcf_csum_skb_nextlayer'
Warning: net/sched/act_csum.c:136 No description found for return value of 'tcf_csum_skb_nextlayer'

Current warnings:
files: ['net/sched/act_csum.c']
Warning: net/sched/act_csum.c:136 No description found for return value of 'tcf_csum_skb_nextlayer'
Warning: net/sched/act_csum.c:136 No description found for return value of 'tcf_csum_skb_nextlayer'

Warnings before: 2 after: 2