Warnings before patch:
files: ['net/core/filter.c']
Warning: net/core/filter.c:133 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:582 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1076 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1381 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1427 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1548 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12147 No description found for return value of 'bpf_skb_meta_pointer'
Warning: net/core/filter.c:133 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:582 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1076 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1381 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1427 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1548 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12147 No description found for return value of 'bpf_skb_meta_pointer'

Current warnings:
files: ['net/core/filter.c']
Warning: net/core/filter.c:133 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:582 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1076 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1381 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1427 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1548 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12147 No description found for return value of 'bpf_skb_meta_pointer'
Warning: net/core/filter.c:133 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:582 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1076 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1381 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1427 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1548 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12147 No description found for return value of 'bpf_skb_meta_pointer'

Warnings before: 14 after: 14