Warnings before patch:
files: ['net/core/skbuff.c', 'net/xdp/xsk.c', 'include/net/xdp_sock.h']
<parse fail>: Warning: net/core/skbuff.c:466 No description found for return value of '__build_skb'
<parse fail>: Warning: net/core/skbuff.c:503 No description found for return value of 'build_skb_around'
<parse fail>: Warning: net/core/skbuff.c:528 No description found for return value of '__napi_build_skb'
<parse fail>: Warning: net/core/skbuff.c:552 No description found for return value of 'napi_build_skb'
<parse fail>: Warning: net/core/skbuff.c:645 No description found for return value of '__alloc_skb'
<parse fail>: Warning: net/core/skbuff.c:722 No description found for return value of '__netdev_alloc_skb'
<parse fail>: Warning: net/core/skbuff.c:798 No description found for return value of 'napi_alloc_skb'
<parse fail>: Warning: net/core/skbuff.c:1025 No description found for return value of 'skb_pp_frag_ref'
<parse fail>: Warning: net/core/skbuff.c:1590 No description found for return value of 'alloc_skb_for_msg'
<parse fail>: Warning: net/core/skbuff.c:1621 No description found for return value of 'skb_morph'
<parse fail>: Warning: net/core/skbuff.c:1943 No description found for return value of 'skb_copy_ubufs'
<parse fail>: Warning: net/core/skbuff.c:2043 No description found for return value of 'skb_clone'
<parse fail>: Warning: net/core/skbuff.c:2123 No description found for return value of 'skb_copy'
<parse fail>: Warning: net/core/skbuff.c:2172 No description found for return value of '__pskb_copy_fclone'
<parse fail>: Warning: net/core/skbuff.c:2236 No description found for return value of 'pskb_expand_head'
<parse fail>: Warning: net/core/skbuff.c:2402 No description found for return value of 'skb_expand_head'
<parse fail>: Warning: net/core/skbuff.c:2461 No description found for return value of 'skb_copy_expand'
<parse fail>: Warning: net/core/skbuff.c:2521 No description found for return value of '__skb_pad'
<parse fail>: Warning: net/core/skbuff.c:2569 No description found for return value of 'pskb_put'
<parse fail>: Warning: net/core/skbuff.c:2588 No description found for return value of 'skb_put'
<parse fail>: Warning: net/core/skbuff.c:2609 No description found for return value of 'skb_push'
<parse fail>: Warning: net/core/skbuff.c:2629 No description found for return value of 'skb_pull'
<parse fail>: Warning: net/core/skbuff.c:2646 No description found for return value of 'skb_pull_data'
<parse fail>: Warning: net/core/skbuff.c:2809 No description found for return value of '__pskb_pull_tail'
<parse fail>: Warning: net/core/skbuff.c:2953 No description found for return value of 'skb_copy_bits'
<parse fail>: Warning: net/core/skbuff.c:3382 No description found for return value of 'skb_store_bits'
<parse fail>: Warning: net/core/skbuff.c:3810 No description found for return value of 'skb_zerocopy'
<parse fail>: Warning: net/core/skbuff.c:3905 No description found for return value of 'skb_dequeue'
<parse fail>: Warning: net/core/skbuff.c:3925 No description found for return value of 'skb_dequeue_tail'
<parse fail>: Warning: net/core/skbuff.c:3975 No description found for return value of 'skb_rbtree_purge'
<parse fail>: Warning: net/core/skbuff.c:4208 No description found for return value of 'skb_shift'
<parse fail>: Warning: net/core/skbuff.c:4373 No description found for return value of 'skb_seq_read'
<parse fail>: Warning: net/core/skbuff.c:4535 No description found for return value of 'skb_find_text'
<parse fail>: Warning: net/core/skbuff.c:4583 No description found for return value of 'skb_pull_rcsum'
<parse fail>: Warning: net/core/skbuff.c:4708 No description found for return value of 'skb_segment'
<parse fail>: Warning: net/core/skbuff.c:5236 No description found for return value of 'skb_to_sgvec'
<parse fail>: Warning: net/core/skbuff.c:5294 No description found for return value of 'skb_cow_data'
<parse fail>: Warning: net/core/skbuff.c:5476 No description found for return value of 'skb_clone_sk'
<parse fail>: Warning: net/core/skbuff.c:5723 No description found for return value of 'skb_partial_csum_set'
<parse fail>: Warning: net/core/skbuff.c:5951 No description found for return value of 'skb_checksum_setup'
<parse fail>: Warning: net/core/skbuff.c:5987 No description found for return value of 'skb_checksum_maybe_trim'
<parse fail>: Warning: net/core/skbuff.c:6028 No description found for return value of 'skb_checksum_trimmed'
<parse fail>: Warning: net/core/skbuff.c:6085 No description found for return value of 'skb_try_coalesce'
<parse fail>: Warning: net/core/skbuff.c:6424 No description found for return value of 'skb_eth_pop'
<parse fail>: Warning: net/core/skbuff.c:6452 No description found for return value of 'skb_eth_push'
<parse fail>: Warning: net/core/skbuff.c:6508 No description found for return value of 'skb_mpls_push'
<parse fail>: Warning: net/core/skbuff.c:6561 No description found for return value of 'skb_mpls_pop'
<parse fail>: Warning: net/core/skbuff.c:6603 No description found for return value of 'skb_mpls_update_lse'
<parse fail>: Warning: net/core/skbuff.c:6635 No description found for return value of 'skb_mpls_dec_ttl'
<parse fail>: Warning: net/core/skbuff.c:6673 No description found for return value of 'alloc_skb_with_frags'
<parse fail>: Warning: net/core/skbuff.c:6994 No description found for return value of '__skb_ext_alloc'
<parse fail>: Warning: net/core/skbuff.c:7053 No description found for return value of '__skb_ext_set'
<parse fail>: Warning: net/core/skbuff.c:7081 No description found for return value of 'skb_ext_add'
<parse fail>: Warning: net/core/skbuff.c:7266 No description found for return value of 'skb_splice_from_iter'
Warning: net/core/skbuff.c:466 No description found for return value of '__build_skb'
Warning: net/core/skbuff.c:503 No description found for return value of 'build_skb_around'
Warning: net/core/skbuff.c:528 No description found for return value of '__napi_build_skb'
Warning: net/core/skbuff.c:552 No description found for return value of 'napi_build_skb'
Warning: net/core/skbuff.c:645 No description found for return value of '__alloc_skb'
Warning: net/core/skbuff.c:722 No description found for return value of '__netdev_alloc_skb'
Warning: net/core/skbuff.c:798 No description found for return value of 'napi_alloc_skb'
Warning: net/core/skbuff.c:1025 No description found for return value of 'skb_pp_frag_ref'
Warning: net/core/skbuff.c:1590 No description found for return value of 'alloc_skb_for_msg'
Warning: net/core/skbuff.c:1621 No description found for return value of 'skb_morph'
Warning: net/core/skbuff.c:1943 No description found for return value of 'skb_copy_ubufs'
Warning: net/core/skbuff.c:2043 No description found for return value of 'skb_clone'
Warning: net/core/skbuff.c:2123 No description found for return value of 'skb_copy'
Warning: net/core/skbuff.c:2172 No description found for return value of '__pskb_copy_fclone'
Warning: net/core/skbuff.c:2236 No description found for return value of 'pskb_expand_head'
Warning: net/core/skbuff.c:2402 No description found for return value of 'skb_expand_head'
Warning: net/core/skbuff.c:2461 No description found for return value of 'skb_copy_expand'
Warning: net/core/skbuff.c:2521 No description found for return value of '__skb_pad'
Warning: net/core/skbuff.c:2569 No description found for return value of 'pskb_put'
Warning: net/core/skbuff.c:2588 No description found for return value of 'skb_put'
Warning: net/core/skbuff.c:2609 No description found for return value of 'skb_push'
Warning: net/core/skbuff.c:2629 No description found for return value of 'skb_pull'
Warning: net/core/skbuff.c:2646 No description found for return value of 'skb_pull_data'
Warning: net/core/skbuff.c:2809 No description found for return value of '__pskb_pull_tail'
Warning: net/core/skbuff.c:2953 No description found for return value of 'skb_copy_bits'
Warning: net/core/skbuff.c:3382 No description found for return value of 'skb_store_bits'
Warning: net/core/skbuff.c:3810 No description found for return value of 'skb_zerocopy'
Warning: net/core/skbuff.c:3905 No description found for return value of 'skb_dequeue'
Warning: net/core/skbuff.c:3925 No description found for return value of 'skb_dequeue_tail'
Warning: net/core/skbuff.c:3975 No description found for return value of 'skb_rbtree_purge'
Warning: net/core/skbuff.c:4208 No description found for return value of 'skb_shift'
Warning: net/core/skbuff.c:4373 No description found for return value of 'skb_seq_read'
Warning: net/core/skbuff.c:4535 No description found for return value of 'skb_find_text'
Warning: net/core/skbuff.c:4583 No description found for return value of 'skb_pull_rcsum'
Warning: net/core/skbuff.c:4708 No description found for return value of 'skb_segment'
Warning: net/core/skbuff.c:5236 No description found for return value of 'skb_to_sgvec'
Warning: net/core/skbuff.c:5294 No description found for return value of 'skb_cow_data'
Warning: net/core/skbuff.c:5476 No description found for return value of 'skb_clone_sk'
Warning: net/core/skbuff.c:5723 No description found for return value of 'skb_partial_csum_set'
Warning: net/core/skbuff.c:5951 No description found for return value of 'skb_checksum_setup'
Warning: net/core/skbuff.c:5987 No description found for return value of 'skb_checksum_maybe_trim'
Warning: net/core/skbuff.c:6028 No description found for return value of 'skb_checksum_trimmed'
Warning: net/core/skbuff.c:6085 No description found for return value of 'skb_try_coalesce'
Warning: net/core/skbuff.c:6424 No description found for return value of 'skb_eth_pop'
Warning: net/core/skbuff.c:6452 No description found for return value of 'skb_eth_push'
Warning: net/core/skbuff.c:6508 No description found for return value of 'skb_mpls_push'
Warning: net/core/skbuff.c:6561 No description found for return value of 'skb_mpls_pop'
Warning: net/core/skbuff.c:6603 No description found for return value of 'skb_mpls_update_lse'
Warning: net/core/skbuff.c:6635 No description found for return value of 'skb_mpls_dec_ttl'
Warning: net/core/skbuff.c:6673 No description found for return value of 'alloc_skb_with_frags'
Warning: net/core/skbuff.c:6994 No description found for return value of '__skb_ext_alloc'
Warning: net/core/skbuff.c:7053 No description found for return value of '__skb_ext_set'
Warning: net/core/skbuff.c:7081 No description found for return value of 'skb_ext_add'
Warning: net/core/skbuff.c:7266 No description found for return value of 'skb_splice_from_iter'

Current warnings:
files: ['net/core/skbuff.c', 'net/xdp/xsk.c', 'include/net/xdp_sock.h']
<parse fail>: Warning: net/core/skbuff.c:467 No description found for return value of '__build_skb'
<parse fail>: Warning: net/core/skbuff.c:504 No description found for return value of 'build_skb_around'
<parse fail>: Warning: net/core/skbuff.c:529 No description found for return value of '__napi_build_skb'
<parse fail>: Warning: net/core/skbuff.c:553 No description found for return value of 'napi_build_skb'
<parse fail>: Warning: net/core/skbuff.c:646 No description found for return value of '__alloc_skb'
<parse fail>: Warning: net/core/skbuff.c:723 No description found for return value of '__netdev_alloc_skb'
<parse fail>: Warning: net/core/skbuff.c:799 No description found for return value of 'napi_alloc_skb'
<parse fail>: Warning: net/core/skbuff.c:1026 No description found for return value of 'skb_pp_frag_ref'
<parse fail>: Warning: net/core/skbuff.c:1592 No description found for return value of 'alloc_skb_for_msg'
<parse fail>: Warning: net/core/skbuff.c:1623 No description found for return value of 'skb_morph'
<parse fail>: Warning: net/core/skbuff.c:1945 No description found for return value of 'skb_copy_ubufs'
<parse fail>: Warning: net/core/skbuff.c:2045 No description found for return value of 'skb_clone'
<parse fail>: Warning: net/core/skbuff.c:2125 No description found for return value of 'skb_copy'
<parse fail>: Warning: net/core/skbuff.c:2174 No description found for return value of '__pskb_copy_fclone'
<parse fail>: Warning: net/core/skbuff.c:2238 No description found for return value of 'pskb_expand_head'
<parse fail>: Warning: net/core/skbuff.c:2404 No description found for return value of 'skb_expand_head'
<parse fail>: Warning: net/core/skbuff.c:2463 No description found for return value of 'skb_copy_expand'
<parse fail>: Warning: net/core/skbuff.c:2523 No description found for return value of '__skb_pad'
<parse fail>: Warning: net/core/skbuff.c:2571 No description found for return value of 'pskb_put'
<parse fail>: Warning: net/core/skbuff.c:2590 No description found for return value of 'skb_put'
<parse fail>: Warning: net/core/skbuff.c:2611 No description found for return value of 'skb_push'
<parse fail>: Warning: net/core/skbuff.c:2631 No description found for return value of 'skb_pull'
<parse fail>: Warning: net/core/skbuff.c:2648 No description found for return value of 'skb_pull_data'
<parse fail>: Warning: net/core/skbuff.c:2811 No description found for return value of '__pskb_pull_tail'
<parse fail>: Warning: net/core/skbuff.c:2955 No description found for return value of 'skb_copy_bits'
<parse fail>: Warning: net/core/skbuff.c:3384 No description found for return value of 'skb_store_bits'
<parse fail>: Warning: net/core/skbuff.c:3812 No description found for return value of 'skb_zerocopy'
<parse fail>: Warning: net/core/skbuff.c:3907 No description found for return value of 'skb_dequeue'
<parse fail>: Warning: net/core/skbuff.c:3927 No description found for return value of 'skb_dequeue_tail'
<parse fail>: Warning: net/core/skbuff.c:3977 No description found for return value of 'skb_rbtree_purge'
<parse fail>: Warning: net/core/skbuff.c:4210 No description found for return value of 'skb_shift'
<parse fail>: Warning: net/core/skbuff.c:4375 No description found for return value of 'skb_seq_read'
<parse fail>: Warning: net/core/skbuff.c:4537 No description found for return value of 'skb_find_text'
<parse fail>: Warning: net/core/skbuff.c:4585 No description found for return value of 'skb_pull_rcsum'
<parse fail>: Warning: net/core/skbuff.c:4710 No description found for return value of 'skb_segment'
<parse fail>: Warning: net/core/skbuff.c:5238 No description found for return value of 'skb_to_sgvec'
<parse fail>: Warning: net/core/skbuff.c:5296 No description found for return value of 'skb_cow_data'
<parse fail>: Warning: net/core/skbuff.c:5478 No description found for return value of 'skb_clone_sk'
<parse fail>: Warning: net/core/skbuff.c:5725 No description found for return value of 'skb_partial_csum_set'
<parse fail>: Warning: net/core/skbuff.c:5953 No description found for return value of 'skb_checksum_setup'
<parse fail>: Warning: net/core/skbuff.c:5989 No description found for return value of 'skb_checksum_maybe_trim'
<parse fail>: Warning: net/core/skbuff.c:6030 No description found for return value of 'skb_checksum_trimmed'
<parse fail>: Warning: net/core/skbuff.c:6087 No description found for return value of 'skb_try_coalesce'
<parse fail>: Warning: net/core/skbuff.c:6426 No description found for return value of 'skb_eth_pop'
<parse fail>: Warning: net/core/skbuff.c:6454 No description found for return value of 'skb_eth_push'
<parse fail>: Warning: net/core/skbuff.c:6510 No description found for return value of 'skb_mpls_push'
<parse fail>: Warning: net/core/skbuff.c:6563 No description found for return value of 'skb_mpls_pop'
<parse fail>: Warning: net/core/skbuff.c:6605 No description found for return value of 'skb_mpls_update_lse'
<parse fail>: Warning: net/core/skbuff.c:6637 No description found for return value of 'skb_mpls_dec_ttl'
<parse fail>: Warning: net/core/skbuff.c:6675 No description found for return value of 'alloc_skb_with_frags'
<parse fail>: Warning: net/core/skbuff.c:6996 No description found for return value of '__skb_ext_alloc'
<parse fail>: Warning: net/core/skbuff.c:7055 No description found for return value of '__skb_ext_set'
<parse fail>: Warning: net/core/skbuff.c:7083 No description found for return value of 'skb_ext_add'
<parse fail>: Warning: net/core/skbuff.c:7268 No description found for return value of 'skb_splice_from_iter'
Warning: net/core/skbuff.c:467 No description found for return value of '__build_skb'
Warning: net/core/skbuff.c:504 No description found for return value of 'build_skb_around'
Warning: net/core/skbuff.c:529 No description found for return value of '__napi_build_skb'
Warning: net/core/skbuff.c:553 No description found for return value of 'napi_build_skb'
Warning: net/core/skbuff.c:646 No description found for return value of '__alloc_skb'
Warning: net/core/skbuff.c:723 No description found for return value of '__netdev_alloc_skb'
Warning: net/core/skbuff.c:799 No description found for return value of 'napi_alloc_skb'
Warning: net/core/skbuff.c:1026 No description found for return value of 'skb_pp_frag_ref'
Warning: net/core/skbuff.c:1592 No description found for return value of 'alloc_skb_for_msg'
Warning: net/core/skbuff.c:1623 No description found for return value of 'skb_morph'
Warning: net/core/skbuff.c:1945 No description found for return value of 'skb_copy_ubufs'
Warning: net/core/skbuff.c:2045 No description found for return value of 'skb_clone'
Warning: net/core/skbuff.c:2125 No description found for return value of 'skb_copy'
Warning: net/core/skbuff.c:2174 No description found for return value of '__pskb_copy_fclone'
Warning: net/core/skbuff.c:2238 No description found for return value of 'pskb_expand_head'
Warning: net/core/skbuff.c:2404 No description found for return value of 'skb_expand_head'
Warning: net/core/skbuff.c:2463 No description found for return value of 'skb_copy_expand'
Warning: net/core/skbuff.c:2523 No description found for return value of '__skb_pad'
Warning: net/core/skbuff.c:2571 No description found for return value of 'pskb_put'
Warning: net/core/skbuff.c:2590 No description found for return value of 'skb_put'
Warning: net/core/skbuff.c:2611 No description found for return value of 'skb_push'
Warning: net/core/skbuff.c:2631 No description found for return value of 'skb_pull'
Warning: net/core/skbuff.c:2648 No description found for return value of 'skb_pull_data'
Warning: net/core/skbuff.c:2811 No description found for return value of '__pskb_pull_tail'
Warning: net/core/skbuff.c:2955 No description found for return value of 'skb_copy_bits'
Warning: net/core/skbuff.c:3384 No description found for return value of 'skb_store_bits'
Warning: net/core/skbuff.c:3812 No description found for return value of 'skb_zerocopy'
Warning: net/core/skbuff.c:3907 No description found for return value of 'skb_dequeue'
Warning: net/core/skbuff.c:3927 No description found for return value of 'skb_dequeue_tail'
Warning: net/core/skbuff.c:3977 No description found for return value of 'skb_rbtree_purge'
Warning: net/core/skbuff.c:4210 No description found for return value of 'skb_shift'
Warning: net/core/skbuff.c:4375 No description found for return value of 'skb_seq_read'
Warning: net/core/skbuff.c:4537 No description found for return value of 'skb_find_text'
Warning: net/core/skbuff.c:4585 No description found for return value of 'skb_pull_rcsum'
Warning: net/core/skbuff.c:4710 No description found for return value of 'skb_segment'
Warning: net/core/skbuff.c:5238 No description found for return value of 'skb_to_sgvec'
Warning: net/core/skbuff.c:5296 No description found for return value of 'skb_cow_data'
Warning: net/core/skbuff.c:5478 No description found for return value of 'skb_clone_sk'
Warning: net/core/skbuff.c:5725 No description found for return value of 'skb_partial_csum_set'
Warning: net/core/skbuff.c:5953 No description found for return value of 'skb_checksum_setup'
Warning: net/core/skbuff.c:5989 No description found for return value of 'skb_checksum_maybe_trim'
Warning: net/core/skbuff.c:6030 No description found for return value of 'skb_checksum_trimmed'
Warning: net/core/skbuff.c:6087 No description found for return value of 'skb_try_coalesce'
Warning: net/core/skbuff.c:6426 No description found for return value of 'skb_eth_pop'
Warning: net/core/skbuff.c:6454 No description found for return value of 'skb_eth_push'
Warning: net/core/skbuff.c:6510 No description found for return value of 'skb_mpls_push'
Warning: net/core/skbuff.c:6563 No description found for return value of 'skb_mpls_pop'
Warning: net/core/skbuff.c:6605 No description found for return value of 'skb_mpls_update_lse'
Warning: net/core/skbuff.c:6637 No description found for return value of 'skb_mpls_dec_ttl'
Warning: net/core/skbuff.c:6675 No description found for return value of 'alloc_skb_with_frags'
Warning: net/core/skbuff.c:6996 No description found for return value of '__skb_ext_alloc'
Warning: net/core/skbuff.c:7055 No description found for return value of '__skb_ext_set'
Warning: net/core/skbuff.c:7083 No description found for return value of 'skb_ext_add'
Warning: net/core/skbuff.c:7268 No description found for return value of 'skb_splice_from_iter'

Warnings before: 54 after: 54