Warnings before patch:
files: ['include/linux/skbuff.h', 'net/core/filter.c']
Warning: include/linux/skbuff.h:371 No description found for return value of 'skb_frag_size'
Warning: include/linux/skbuff.h:410 No description found for return value of 'skb_frag_must_loop'
Warning: include/linux/skbuff.h:1140 No description found for return value of 'skb_pfmemalloc'
Warning: include/linux/skbuff.h:1245 No description found for return value of 'skb_dst_is_noref'
Warning: include/linux/skbuff.h:1263 No description found for return value of 'skb_napi_id'
Warning: include/linux/skbuff.h:1382 No description found for return value of 'alloc_skb'
Warning: include/linux/skbuff.h:1432 No description found for return value of 'alloc_skb_fclone'
Warning: include/linux/skbuff.h:1475 No description found for return value of 'skb_pad'
Warning: include/linux/skbuff.h:1925 No description found for return value of 'skb_queue_empty'
Warning: include/linux/skbuff.h:1937 No description found for return value of 'skb_queue_empty_lockless'
Warning: include/linux/skbuff.h:1951 No description found for return value of 'skb_queue_is_last'
Warning: include/linux/skbuff.h:1964 No description found for return value of 'skb_queue_is_first'
Warning: include/linux/skbuff.h:1978 No description found for return value of 'skb_queue_next'
Warning: include/linux/skbuff.h:1996 No description found for return value of 'skb_queue_prev'
Warning: include/linux/skbuff.h:2012 No description found for return value of 'skb_get'
Warning: include/linux/skbuff.h:2030 No description found for return value of 'skb_cloned'
Warning: include/linux/skbuff.h:2069 No description found for return value of 'skb_header_cloned'
Warning: include/linux/skbuff.h:2111 No description found for return value of 'skb_shared'
Warning: include/linux/skbuff.h:2129 No description found for return value of 'skb_share_check'
Warning: include/linux/skbuff.h:2165 No description found for return value of 'skb_unshare'
Warning: include/linux/skbuff.h:2194 No description found for return value of 'skb_peek'
Warning: include/linux/skbuff.h:2209 No description found for return value of '__skb_peek'
Warning: include/linux/skbuff.h:2224 No description found for return value of 'skb_peek_next'
Warning: include/linux/skbuff.h:2246 No description found for return value of 'skb_peek_tail'
Warning: include/linux/skbuff.h:2262 No description found for return value of 'skb_queue_len'
Warning: include/linux/skbuff.h:2274 No description found for return value of 'skb_queue_len_lockless'
Warning: include/linux/skbuff.h:2500 No description found for return value of '__skb_dequeue'
Warning: include/linux/skbuff.h:2517 No description found for return value of '__skb_dequeue_tail'
Warning: include/linux/skbuff.h:2887 No description found for return value of 'skb_headroom'
Warning: include/linux/skbuff.h:2898 No description found for return value of 'skb_tailroom'
Warning: include/linux/skbuff.h:2910 No description found for return value of 'skb_availroom'
Warning: include/linux/skbuff.h:3394 No description found for return value of 'skb_orphan_frags'
Warning: include/linux/skbuff.h:3454 No description found for return value of 'netdev_alloc_frag'
Warning: include/linux/skbuff.h:3483 No description found for return value of 'netdev_alloc_skb'
Warning: include/linux/skbuff.h:3553 No description found for return value of '__dev_alloc_pages'
Warning: include/linux/skbuff.h:3583 No description found for return value of '__dev_alloc_page'
Warning: include/linux/skbuff.h:3627 No description found for return value of 'skb_frag_off'
Warning: include/linux/skbuff.h:3779 No description found for return value of '__skb_frag_dma_map'
Warning: include/linux/skbuff.h:3832 No description found for return value of 'skb_clone_writable'
Warning: include/linux/skbuff.h:3871 No description found for return value of 'skb_cow'
Warning: include/linux/skbuff.h:3886 No description found for return value of 'skb_cow_head'
Warning: include/linux/skbuff.h:3901 No description found for return value of 'skb_padto'
Warning: include/linux/skbuff.h:3922 No description found for return value of '__skb_put_padto'
Warning: include/linux/skbuff.h:3945 No description found for return value of 'skb_put_padto'
Warning: include/linux/skbuff.h:3985 No description found for return value of 'skb_linearize'
Warning: include/linux/skbuff.h:4010 No description found for return value of 'skb_linearize_cow'
Warning: include/linux/skbuff.h:4086 No description found for return value of 'skb_push_rcsum'
Warning: include/linux/skbuff.h:4104 No description found for return value of 'pskb_trim_rcsum'
Warning: include/linux/skbuff.h:4324 No description found for return value of 'skb_needs_linearize'
Warning: include/linux/skbuff.h:4760 No description found for return value of 'skb_checksum_complete'
Warning: include/linux/skbuff.h:5330 No description found for return value of 'skb_head_is_locked'
Warning: net/core/filter.c:135 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:587 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1082 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1387 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1433 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1554 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12116 No description found for return value of 'bpf_skb_meta_pointer'
Warning: include/linux/skbuff.h:371 No description found for return value of 'skb_frag_size'
Warning: include/linux/skbuff.h:410 No description found for return value of 'skb_frag_must_loop'
Warning: include/linux/skbuff.h:1140 No description found for return value of 'skb_pfmemalloc'
Warning: include/linux/skbuff.h:1245 No description found for return value of 'skb_dst_is_noref'
Warning: include/linux/skbuff.h:1263 No description found for return value of 'skb_napi_id'
Warning: include/linux/skbuff.h:1382 No description found for return value of 'alloc_skb'
Warning: include/linux/skbuff.h:1432 No description found for return value of 'alloc_skb_fclone'
Warning: include/linux/skbuff.h:1475 No description found for return value of 'skb_pad'
Warning: include/linux/skbuff.h:1925 No description found for return value of 'skb_queue_empty'
Warning: include/linux/skbuff.h:1937 No description found for return value of 'skb_queue_empty_lockless'
Warning: include/linux/skbuff.h:1951 No description found for return value of 'skb_queue_is_last'
Warning: include/linux/skbuff.h:1964 No description found for return value of 'skb_queue_is_first'
Warning: include/linux/skbuff.h:1978 No description found for return value of 'skb_queue_next'
Warning: include/linux/skbuff.h:1996 No description found for return value of 'skb_queue_prev'
Warning: include/linux/skbuff.h:2012 No description found for return value of 'skb_get'
Warning: include/linux/skbuff.h:2030 No description found for return value of 'skb_cloned'
Warning: include/linux/skbuff.h:2069 No description found for return value of 'skb_header_cloned'
Warning: include/linux/skbuff.h:2111 No description found for return value of 'skb_shared'
Warning: include/linux/skbuff.h:2129 No description found for return value of 'skb_share_check'
Warning: include/linux/skbuff.h:2165 No description found for return value of 'skb_unshare'
Warning: include/linux/skbuff.h:2194 No description found for return value of 'skb_peek'
Warning: include/linux/skbuff.h:2209 No description found for return value of '__skb_peek'
Warning: include/linux/skbuff.h:2224 No description found for return value of 'skb_peek_next'
Warning: include/linux/skbuff.h:2246 No description found for return value of 'skb_peek_tail'
Warning: include/linux/skbuff.h:2262 No description found for return value of 'skb_queue_len'
Warning: include/linux/skbuff.h:2274 No description found for return value of 'skb_queue_len_lockless'
Warning: include/linux/skbuff.h:2500 No description found for return value of '__skb_dequeue'
Warning: include/linux/skbuff.h:2517 No description found for return value of '__skb_dequeue_tail'
Warning: include/linux/skbuff.h:2887 No description found for return value of 'skb_headroom'
Warning: include/linux/skbuff.h:2898 No description found for return value of 'skb_tailroom'
Warning: include/linux/skbuff.h:2910 No description found for return value of 'skb_availroom'
Warning: include/linux/skbuff.h:3394 No description found for return value of 'skb_orphan_frags'
Warning: include/linux/skbuff.h:3454 No description found for return value of 'netdev_alloc_frag'
Warning: include/linux/skbuff.h:3483 No description found for return value of 'netdev_alloc_skb'
Warning: include/linux/skbuff.h:3553 No description found for return value of '__dev_alloc_pages'
Warning: include/linux/skbuff.h:3583 No description found for return value of '__dev_alloc_page'
Warning: include/linux/skbuff.h:3627 No description found for return value of 'skb_frag_off'
Warning: include/linux/skbuff.h:3779 No description found for return value of '__skb_frag_dma_map'
Warning: include/linux/skbuff.h:3832 No description found for return value of 'skb_clone_writable'
Warning: include/linux/skbuff.h:3871 No description found for return value of 'skb_cow'
Warning: include/linux/skbuff.h:3886 No description found for return value of 'skb_cow_head'
Warning: include/linux/skbuff.h:3901 No description found for return value of 'skb_padto'
Warning: include/linux/skbuff.h:3922 No description found for return value of '__skb_put_padto'
Warning: include/linux/skbuff.h:3945 No description found for return value of 'skb_put_padto'
Warning: include/linux/skbuff.h:3985 No description found for return value of 'skb_linearize'
Warning: include/linux/skbuff.h:4010 No description found for return value of 'skb_linearize_cow'
Warning: include/linux/skbuff.h:4086 No description found for return value of 'skb_push_rcsum'
Warning: include/linux/skbuff.h:4104 No description found for return value of 'pskb_trim_rcsum'
Warning: include/linux/skbuff.h:4324 No description found for return value of 'skb_needs_linearize'
Warning: include/linux/skbuff.h:4760 No description found for return value of 'skb_checksum_complete'
Warning: include/linux/skbuff.h:5330 No description found for return value of 'skb_head_is_locked'
Warning: net/core/filter.c:135 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:587 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1082 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1387 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1433 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1554 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12116 No description found for return value of 'bpf_skb_meta_pointer'

Current warnings:
files: ['include/linux/skbuff.h', 'net/core/filter.c']
Warning: include/linux/skbuff.h:371 No description found for return value of 'skb_frag_size'
Warning: include/linux/skbuff.h:410 No description found for return value of 'skb_frag_must_loop'
Warning: include/linux/skbuff.h:1140 No description found for return value of 'skb_pfmemalloc'
Warning: include/linux/skbuff.h:1245 No description found for return value of 'skb_dst_is_noref'
Warning: include/linux/skbuff.h:1263 No description found for return value of 'skb_napi_id'
Warning: include/linux/skbuff.h:1382 No description found for return value of 'alloc_skb'
Warning: include/linux/skbuff.h:1432 No description found for return value of 'alloc_skb_fclone'
Warning: include/linux/skbuff.h:1475 No description found for return value of 'skb_pad'
Warning: include/linux/skbuff.h:1925 No description found for return value of 'skb_queue_empty'
Warning: include/linux/skbuff.h:1937 No description found for return value of 'skb_queue_empty_lockless'
Warning: include/linux/skbuff.h:1951 No description found for return value of 'skb_queue_is_last'
Warning: include/linux/skbuff.h:1964 No description found for return value of 'skb_queue_is_first'
Warning: include/linux/skbuff.h:1978 No description found for return value of 'skb_queue_next'
Warning: include/linux/skbuff.h:1996 No description found for return value of 'skb_queue_prev'
Warning: include/linux/skbuff.h:2012 No description found for return value of 'skb_get'
Warning: include/linux/skbuff.h:2030 No description found for return value of 'skb_cloned'
Warning: include/linux/skbuff.h:2069 No description found for return value of 'skb_header_cloned'
Warning: include/linux/skbuff.h:2111 No description found for return value of 'skb_shared'
Warning: include/linux/skbuff.h:2129 No description found for return value of 'skb_share_check'
Warning: include/linux/skbuff.h:2165 No description found for return value of 'skb_unshare'
Warning: include/linux/skbuff.h:2194 No description found for return value of 'skb_peek'
Warning: include/linux/skbuff.h:2209 No description found for return value of '__skb_peek'
Warning: include/linux/skbuff.h:2224 No description found for return value of 'skb_peek_next'
Warning: include/linux/skbuff.h:2246 No description found for return value of 'skb_peek_tail'
Warning: include/linux/skbuff.h:2262 No description found for return value of 'skb_queue_len'
Warning: include/linux/skbuff.h:2274 No description found for return value of 'skb_queue_len_lockless'
Warning: include/linux/skbuff.h:2500 No description found for return value of '__skb_dequeue'
Warning: include/linux/skbuff.h:2517 No description found for return value of '__skb_dequeue_tail'
Warning: include/linux/skbuff.h:2887 No description found for return value of 'skb_headroom'
Warning: include/linux/skbuff.h:2898 No description found for return value of 'skb_tailroom'
Warning: include/linux/skbuff.h:2910 No description found for return value of 'skb_availroom'
Warning: include/linux/skbuff.h:3394 No description found for return value of 'skb_orphan_frags'
Warning: include/linux/skbuff.h:3454 No description found for return value of 'netdev_alloc_frag'
Warning: include/linux/skbuff.h:3483 No description found for return value of 'netdev_alloc_skb'
Warning: include/linux/skbuff.h:3553 No description found for return value of '__dev_alloc_pages'
Warning: include/linux/skbuff.h:3583 No description found for return value of '__dev_alloc_page'
Warning: include/linux/skbuff.h:3627 No description found for return value of 'skb_frag_off'
Warning: include/linux/skbuff.h:3779 No description found for return value of '__skb_frag_dma_map'
Warning: include/linux/skbuff.h:3832 No description found for return value of 'skb_clone_writable'
Warning: include/linux/skbuff.h:3871 No description found for return value of 'skb_cow'
Warning: include/linux/skbuff.h:3886 No description found for return value of 'skb_cow_head'
Warning: include/linux/skbuff.h:3901 No description found for return value of 'skb_padto'
Warning: include/linux/skbuff.h:3922 No description found for return value of '__skb_put_padto'
Warning: include/linux/skbuff.h:3945 No description found for return value of 'skb_put_padto'
Warning: include/linux/skbuff.h:3985 No description found for return value of 'skb_linearize'
Warning: include/linux/skbuff.h:4010 No description found for return value of 'skb_linearize_cow'
Warning: include/linux/skbuff.h:4086 No description found for return value of 'skb_push_rcsum'
Warning: include/linux/skbuff.h:4104 No description found for return value of 'pskb_trim_rcsum'
Warning: include/linux/skbuff.h:4324 No description found for return value of 'skb_needs_linearize'
Warning: include/linux/skbuff.h:4769 No description found for return value of 'skb_checksum_complete'
Warning: include/linux/skbuff.h:5339 No description found for return value of 'skb_head_is_locked'
Warning: net/core/filter.c:135 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:587 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1082 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1387 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1433 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1554 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12158 No description found for return value of 'bpf_skb_meta_pointer'
Warning: include/linux/skbuff.h:371 No description found for return value of 'skb_frag_size'
Warning: include/linux/skbuff.h:410 No description found for return value of 'skb_frag_must_loop'
Warning: include/linux/skbuff.h:1140 No description found for return value of 'skb_pfmemalloc'
Warning: include/linux/skbuff.h:1245 No description found for return value of 'skb_dst_is_noref'
Warning: include/linux/skbuff.h:1263 No description found for return value of 'skb_napi_id'
Warning: include/linux/skbuff.h:1382 No description found for return value of 'alloc_skb'
Warning: include/linux/skbuff.h:1432 No description found for return value of 'alloc_skb_fclone'
Warning: include/linux/skbuff.h:1475 No description found for return value of 'skb_pad'
Warning: include/linux/skbuff.h:1925 No description found for return value of 'skb_queue_empty'
Warning: include/linux/skbuff.h:1937 No description found for return value of 'skb_queue_empty_lockless'
Warning: include/linux/skbuff.h:1951 No description found for return value of 'skb_queue_is_last'
Warning: include/linux/skbuff.h:1964 No description found for return value of 'skb_queue_is_first'
Warning: include/linux/skbuff.h:1978 No description found for return value of 'skb_queue_next'
Warning: include/linux/skbuff.h:1996 No description found for return value of 'skb_queue_prev'
Warning: include/linux/skbuff.h:2012 No description found for return value of 'skb_get'
Warning: include/linux/skbuff.h:2030 No description found for return value of 'skb_cloned'
Warning: include/linux/skbuff.h:2069 No description found for return value of 'skb_header_cloned'
Warning: include/linux/skbuff.h:2111 No description found for return value of 'skb_shared'
Warning: include/linux/skbuff.h:2129 No description found for return value of 'skb_share_check'
Warning: include/linux/skbuff.h:2165 No description found for return value of 'skb_unshare'
Warning: include/linux/skbuff.h:2194 No description found for return value of 'skb_peek'
Warning: include/linux/skbuff.h:2209 No description found for return value of '__skb_peek'
Warning: include/linux/skbuff.h:2224 No description found for return value of 'skb_peek_next'
Warning: include/linux/skbuff.h:2246 No description found for return value of 'skb_peek_tail'
Warning: include/linux/skbuff.h:2262 No description found for return value of 'skb_queue_len'
Warning: include/linux/skbuff.h:2274 No description found for return value of 'skb_queue_len_lockless'
Warning: include/linux/skbuff.h:2500 No description found for return value of '__skb_dequeue'
Warning: include/linux/skbuff.h:2517 No description found for return value of '__skb_dequeue_tail'
Warning: include/linux/skbuff.h:2887 No description found for return value of 'skb_headroom'
Warning: include/linux/skbuff.h:2898 No description found for return value of 'skb_tailroom'
Warning: include/linux/skbuff.h:2910 No description found for return value of 'skb_availroom'
Warning: include/linux/skbuff.h:3394 No description found for return value of 'skb_orphan_frags'
Warning: include/linux/skbuff.h:3454 No description found for return value of 'netdev_alloc_frag'
Warning: include/linux/skbuff.h:3483 No description found for return value of 'netdev_alloc_skb'
Warning: include/linux/skbuff.h:3553 No description found for return value of '__dev_alloc_pages'
Warning: include/linux/skbuff.h:3583 No description found for return value of '__dev_alloc_page'
Warning: include/linux/skbuff.h:3627 No description found for return value of 'skb_frag_off'
Warning: include/linux/skbuff.h:3779 No description found for return value of '__skb_frag_dma_map'
Warning: include/linux/skbuff.h:3832 No description found for return value of 'skb_clone_writable'
Warning: include/linux/skbuff.h:3871 No description found for return value of 'skb_cow'
Warning: include/linux/skbuff.h:3886 No description found for return value of 'skb_cow_head'
Warning: include/linux/skbuff.h:3901 No description found for return value of 'skb_padto'
Warning: include/linux/skbuff.h:3922 No description found for return value of '__skb_put_padto'
Warning: include/linux/skbuff.h:3945 No description found for return value of 'skb_put_padto'
Warning: include/linux/skbuff.h:3985 No description found for return value of 'skb_linearize'
Warning: include/linux/skbuff.h:4010 No description found for return value of 'skb_linearize_cow'
Warning: include/linux/skbuff.h:4086 No description found for return value of 'skb_push_rcsum'
Warning: include/linux/skbuff.h:4104 No description found for return value of 'pskb_trim_rcsum'
Warning: include/linux/skbuff.h:4324 No description found for return value of 'skb_needs_linearize'
Warning: include/linux/skbuff.h:4769 No description found for return value of 'skb_checksum_complete'
Warning: include/linux/skbuff.h:5339 No description found for return value of 'skb_head_is_locked'
Warning: net/core/filter.c:135 No description found for return value of 'sk_filter_trim_cap'
Warning: net/core/filter.c:587 No description found for return value of 'bpf_convert_filter'
Warning: net/core/filter.c:1082 No description found for return value of 'bpf_check_classic'
Warning: net/core/filter.c:1387 No description found for return value of 'bpf_prog_create'
Warning: net/core/filter.c:1433 No description found for return value of 'bpf_prog_create_from_user'
Warning: net/core/filter.c:1554 No description found for return value of 'sk_attach_filter'
Warning: net/core/filter.c:12158 No description found for return value of 'bpf_skb_meta_pointer'

Warnings before: 116 after: 116