Warnings before patch:
files: ['net/core/datagram.c', 'net/core/skbuff.c']
Warning: net/core/datagram.c:245 No description found for return value of '__skb_try_recv_datagram'
Warning: net/core/datagram.c:374 No description found for return value of 'skb_kill_datagram'
Warning: net/core/datagram.c:532 No description found for return value of 'skb_copy_datagram_iter'
Warning: net/core/datagram.c:551 No description found for return value of 'skb_copy_datagram_from_iter'
Warning: net/core/datagram.c:784 No description found for return value of 'zerocopy_sg_from_iter'
Warning: net/core/datagram.c:861 No description found for return value of 'skb_copy_and_csum_datagram'
Warning: net/core/skbuff.c:470 No description found for return value of '__build_skb'
Warning: net/core/skbuff.c:507 No description found for return value of 'build_skb_around'
Warning: net/core/skbuff.c:532 No description found for return value of '__napi_build_skb'
Warning: net/core/skbuff.c:556 No description found for return value of 'napi_build_skb'
Warning: net/core/skbuff.c:649 No description found for return value of '__alloc_skb'
Warning: net/core/skbuff.c:739 No description found for return value of '__netdev_alloc_skb'
Warning: net/core/skbuff.c:815 No description found for return value of 'napi_alloc_skb'
Warning: net/core/skbuff.c:1042 No description found for return value of 'skb_pp_frag_ref'
Warning: net/core/skbuff.c:1615 No description found for return value of 'alloc_skb_for_msg'
Warning: net/core/skbuff.c:1646 No description found for return value of 'skb_morph'
Warning: net/core/skbuff.c:1968 No description found for return value of 'skb_copy_ubufs'
Warning: net/core/skbuff.c:2068 No description found for return value of 'skb_clone'
Warning: net/core/skbuff.c:2148 No description found for return value of 'skb_copy'
Warning: net/core/skbuff.c:2197 No description found for return value of '__pskb_copy_fclone'
Warning: net/core/skbuff.c:2265 No description found for return value of 'pskb_expand_head'
Warning: net/core/skbuff.c:2429 No description found for return value of 'skb_expand_head'
Warning: net/core/skbuff.c:2488 No description found for return value of 'skb_copy_expand'
Warning: net/core/skbuff.c:2548 No description found for return value of '__skb_pad'
Warning: net/core/skbuff.c:2596 No description found for return value of 'pskb_put'
Warning: net/core/skbuff.c:2615 No description found for return value of 'skb_put'
Warning: net/core/skbuff.c:2636 No description found for return value of 'skb_push'
Warning: net/core/skbuff.c:2656 No description found for return value of 'skb_pull'
Warning: net/core/skbuff.c:2673 No description found for return value of 'skb_pull_data'
Warning: net/core/skbuff.c:2836 No description found for return value of '__pskb_pull_tail'
Warning: net/core/skbuff.c:2980 No description found for return value of 'skb_copy_bits'
Warning: net/core/skbuff.c:3409 No description found for return value of 'skb_store_bits'
Warning: net/core/skbuff.c:3837 No description found for return value of 'skb_zerocopy'
Warning: net/core/skbuff.c:3932 No description found for return value of 'skb_dequeue'
Warning: net/core/skbuff.c:3952 No description found for return value of 'skb_dequeue_tail'
Warning: net/core/skbuff.c:4002 No description found for return value of 'skb_rbtree_purge'
Warning: net/core/skbuff.c:4235 No description found for return value of 'skb_shift'
Warning: net/core/skbuff.c:4400 No description found for return value of 'skb_seq_read'
Warning: net/core/skbuff.c:4562 No description found for return value of 'skb_find_text'
Warning: net/core/skbuff.c:4610 No description found for return value of 'skb_pull_rcsum'
Warning: net/core/skbuff.c:4735 No description found for return value of 'skb_segment'
Warning: net/core/skbuff.c:5263 No description found for return value of 'skb_to_sgvec'
Warning: net/core/skbuff.c:5321 No description found for return value of 'skb_cow_data'
Warning: net/core/skbuff.c:5503 No description found for return value of 'skb_clone_sk'
Warning: net/core/skbuff.c:5750 No description found for return value of 'skb_partial_csum_set'
Warning: net/core/skbuff.c:5978 No description found for return value of 'skb_checksum_setup'
Warning: net/core/skbuff.c:6014 No description found for return value of 'skb_checksum_maybe_trim'
Warning: net/core/skbuff.c:6055 No description found for return value of 'skb_checksum_trimmed'
Warning: net/core/skbuff.c:6112 No description found for return value of 'skb_try_coalesce'
Warning: net/core/skbuff.c:6451 No description found for return value of 'skb_eth_pop'
Warning: net/core/skbuff.c:6479 No description found for return value of 'skb_eth_push'
Warning: net/core/skbuff.c:6535 No description found for return value of 'skb_mpls_push'
Warning: net/core/skbuff.c:6588 No description found for return value of 'skb_mpls_pop'
Warning: net/core/skbuff.c:6630 No description found for return value of 'skb_mpls_update_lse'
Warning: net/core/skbuff.c:6662 No description found for return value of 'skb_mpls_dec_ttl'
Warning: net/core/skbuff.c:6700 No description found for return value of 'alloc_skb_with_frags'
Warning: net/core/skbuff.c:7021 No description found for return value of '__skb_ext_alloc'
Warning: net/core/skbuff.c:7080 No description found for return value of '__skb_ext_set'
Warning: net/core/skbuff.c:7108 No description found for return value of 'skb_ext_add'
Warning: net/core/skbuff.c:7293 No description found for return value of 'skb_splice_from_iter'

Current warnings:
files: ['net/core/datagram.c', 'net/core/skbuff.c']
Warning: net/core/datagram.c:245 No description found for return value of '__skb_try_recv_datagram'
Warning: net/core/datagram.c:374 No description found for return value of 'skb_kill_datagram'
Warning: net/core/datagram.c:532 No description found for return value of 'skb_copy_datagram_iter'
Warning: net/core/datagram.c:551 No description found for return value of 'skb_copy_datagram_from_iter'
Warning: net/core/datagram.c:790 No description found for return value of 'zerocopy_sg_from_iter'
Warning: net/core/datagram.c:867 No description found for return value of 'skb_copy_and_csum_datagram'
Warning: net/core/skbuff.c:470 No description found for return value of '__build_skb'
Warning: net/core/skbuff.c:507 No description found for return value of 'build_skb_around'
Warning: net/core/skbuff.c:532 No description found for return value of '__napi_build_skb'
Warning: net/core/skbuff.c:556 No description found for return value of 'napi_build_skb'
Warning: net/core/skbuff.c:649 No description found for return value of '__alloc_skb'
Warning: net/core/skbuff.c:739 No description found for return value of '__netdev_alloc_skb'
Warning: net/core/skbuff.c:815 No description found for return value of 'napi_alloc_skb'
Warning: net/core/skbuff.c:1042 No description found for return value of 'skb_pp_frag_ref'
Warning: net/core/skbuff.c:1615 No description found for return value of 'alloc_skb_for_msg'
Warning: net/core/skbuff.c:1646 No description found for return value of 'skb_morph'
Warning: net/core/skbuff.c:1967 No description found for return value of 'skb_copy_ubufs'
Warning: net/core/skbuff.c:2067 No description found for return value of 'skb_clone'
Warning: net/core/skbuff.c:2147 No description found for return value of 'skb_copy'
Warning: net/core/skbuff.c:2196 No description found for return value of '__pskb_copy_fclone'
Warning: net/core/skbuff.c:2264 No description found for return value of 'pskb_expand_head'
Warning: net/core/skbuff.c:2428 No description found for return value of 'skb_expand_head'
Warning: net/core/skbuff.c:2487 No description found for return value of 'skb_copy_expand'
Warning: net/core/skbuff.c:2547 No description found for return value of '__skb_pad'
Warning: net/core/skbuff.c:2595 No description found for return value of 'pskb_put'
Warning: net/core/skbuff.c:2614 No description found for return value of 'skb_put'
Warning: net/core/skbuff.c:2635 No description found for return value of 'skb_push'
Warning: net/core/skbuff.c:2655 No description found for return value of 'skb_pull'
Warning: net/core/skbuff.c:2672 No description found for return value of 'skb_pull_data'
Warning: net/core/skbuff.c:2835 No description found for return value of '__pskb_pull_tail'
Warning: net/core/skbuff.c:2979 No description found for return value of 'skb_copy_bits'
Warning: net/core/skbuff.c:3408 No description found for return value of 'skb_store_bits'
Warning: net/core/skbuff.c:3836 No description found for return value of 'skb_zerocopy'
Warning: net/core/skbuff.c:3931 No description found for return value of 'skb_dequeue'
Warning: net/core/skbuff.c:3951 No description found for return value of 'skb_dequeue_tail'
Warning: net/core/skbuff.c:4001 No description found for return value of 'skb_rbtree_purge'
Warning: net/core/skbuff.c:4234 No description found for return value of 'skb_shift'
Warning: net/core/skbuff.c:4399 No description found for return value of 'skb_seq_read'
Warning: net/core/skbuff.c:4561 No description found for return value of 'skb_find_text'
Warning: net/core/skbuff.c:4609 No description found for return value of 'skb_pull_rcsum'
Warning: net/core/skbuff.c:4734 No description found for return value of 'skb_segment'
Warning: net/core/skbuff.c:5262 No description found for return value of 'skb_to_sgvec'
Warning: net/core/skbuff.c:5320 No description found for return value of 'skb_cow_data'
Warning: net/core/skbuff.c:5502 No description found for return value of 'skb_clone_sk'
Warning: net/core/skbuff.c:5749 No description found for return value of 'skb_partial_csum_set'
Warning: net/core/skbuff.c:5977 No description found for return value of 'skb_checksum_setup'
Warning: net/core/skbuff.c:6013 No description found for return value of 'skb_checksum_maybe_trim'
Warning: net/core/skbuff.c:6054 No description found for return value of 'skb_checksum_trimmed'
Warning: net/core/skbuff.c:6111 No description found for return value of 'skb_try_coalesce'
Warning: net/core/skbuff.c:6450 No description found for return value of 'skb_eth_pop'
Warning: net/core/skbuff.c:6478 No description found for return value of 'skb_eth_push'
Warning: net/core/skbuff.c:6534 No description found for return value of 'skb_mpls_push'
Warning: net/core/skbuff.c:6587 No description found for return value of 'skb_mpls_pop'
Warning: net/core/skbuff.c:6629 No description found for return value of 'skb_mpls_update_lse'
Warning: net/core/skbuff.c:6661 No description found for return value of 'skb_mpls_dec_ttl'
Warning: net/core/skbuff.c:6699 No description found for return value of 'alloc_skb_with_frags'
Warning: net/core/skbuff.c:7020 No description found for return value of '__skb_ext_alloc'
Warning: net/core/skbuff.c:7079 No description found for return value of '__skb_ext_set'
Warning: net/core/skbuff.c:7107 No description found for return value of 'skb_ext_add'
Warning: net/core/skbuff.c:7292 No description found for return value of 'skb_splice_from_iter'

Warnings before: 60 after: 60