Warnings before patch:
files: ['net/core/skbuff.c']
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:1596 No description found for return value of 'alloc_skb_for_msg'
Warning: net/core/skbuff.c:1627 No description found for return value of 'skb_morph'
Warning: net/core/skbuff.c:1949 No description found for return value of 'skb_copy_ubufs'
Warning: net/core/skbuff.c:2049 No description found for return value of 'skb_clone'
Warning: net/core/skbuff.c:2129 No description found for return value of 'skb_copy'
Warning: net/core/skbuff.c:2178 No description found for return value of '__pskb_copy_fclone'
Warning: net/core/skbuff.c:2246 No description found for return value of 'pskb_expand_head'
Warning: net/core/skbuff.c:2410 No description found for return value of 'skb_expand_head'
Warning: net/core/skbuff.c:2469 No description found for return value of 'skb_copy_expand'
Warning: net/core/skbuff.c:2529 No description found for return value of '__skb_pad'
Warning: net/core/skbuff.c:2577 No description found for return value of 'pskb_put'
Warning: net/core/skbuff.c:2596 No description found for return value of 'skb_put'
Warning: net/core/skbuff.c:2617 No description found for return value of 'skb_push'
Warning: net/core/skbuff.c:2637 No description found for return value of 'skb_pull'
Warning: net/core/skbuff.c:2654 No description found for return value of 'skb_pull_data'
Warning: net/core/skbuff.c:2817 No description found for return value of '__pskb_pull_tail'
Warning: net/core/skbuff.c:2961 No description found for return value of 'skb_copy_bits'
Warning: net/core/skbuff.c:3390 No description found for return value of 'skb_store_bits'
Warning: net/core/skbuff.c:3818 No description found for return value of 'skb_zerocopy'
Warning: net/core/skbuff.c:3913 No description found for return value of 'skb_dequeue'
Warning: net/core/skbuff.c:3933 No description found for return value of 'skb_dequeue_tail'
Warning: net/core/skbuff.c:3983 No description found for return value of 'skb_rbtree_purge'
Warning: net/core/skbuff.c:4216 No description found for return value of 'skb_shift'
Warning: net/core/skbuff.c:4381 No description found for return value of 'skb_seq_read'
Warning: net/core/skbuff.c:4543 No description found for return value of 'skb_find_text'
Warning: net/core/skbuff.c:4591 No description found for return value of 'skb_pull_rcsum'
Warning: net/core/skbuff.c:4716 No description found for return value of 'skb_segment'
Warning: net/core/skbuff.c:5244 No description found for return value of 'skb_to_sgvec'
Warning: net/core/skbuff.c:5302 No description found for return value of 'skb_cow_data'
Warning: net/core/skbuff.c:5484 No description found for return value of 'skb_clone_sk'
Warning: net/core/skbuff.c:5731 No description found for return value of 'skb_partial_csum_set'
Warning: net/core/skbuff.c:5959 No description found for return value of 'skb_checksum_setup'
Warning: net/core/skbuff.c:5995 No description found for return value of 'skb_checksum_maybe_trim'
Warning: net/core/skbuff.c:6036 No description found for return value of 'skb_checksum_trimmed'
Warning: net/core/skbuff.c:6093 No description found for return value of 'skb_try_coalesce'
Warning: net/core/skbuff.c:6432 No description found for return value of 'skb_eth_pop'
Warning: net/core/skbuff.c:6460 No description found for return value of 'skb_eth_push'
Warning: net/core/skbuff.c:6516 No description found for return value of 'skb_mpls_push'
Warning: net/core/skbuff.c:6569 No description found for return value of 'skb_mpls_pop'
Warning: net/core/skbuff.c:6611 No description found for return value of 'skb_mpls_update_lse'
Warning: net/core/skbuff.c:6643 No description found for return value of 'skb_mpls_dec_ttl'
Warning: net/core/skbuff.c:6681 No description found for return value of 'alloc_skb_with_frags'
Warning: net/core/skbuff.c:7002 No description found for return value of '__skb_ext_alloc'
Warning: net/core/skbuff.c:7061 No description found for return value of '__skb_ext_set'
Warning: net/core/skbuff.c:7089 No description found for return value of 'skb_ext_add'
Warning: net/core/skbuff.c:7274 No description found for return value of 'skb_splice_from_iter'

Current warnings:
files: ['net/core/skbuff.c']
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:1597 No description found for return value of 'alloc_skb_for_msg'
Warning: net/core/skbuff.c:1628 No description found for return value of 'skb_morph'
Warning: net/core/skbuff.c:1950 No description found for return value of 'skb_copy_ubufs'
Warning: net/core/skbuff.c:2050 No description found for return value of 'skb_clone'
Warning: net/core/skbuff.c:2130 No description found for return value of 'skb_copy'
Warning: net/core/skbuff.c:2179 No description found for return value of '__pskb_copy_fclone'
Warning: net/core/skbuff.c:2247 No description found for return value of 'pskb_expand_head'
Warning: net/core/skbuff.c:2411 No description found for return value of 'skb_expand_head'
Warning: net/core/skbuff.c:2470 No description found for return value of 'skb_copy_expand'
Warning: net/core/skbuff.c:2530 No description found for return value of '__skb_pad'
Warning: net/core/skbuff.c:2578 No description found for return value of 'pskb_put'
Warning: net/core/skbuff.c:2597 No description found for return value of 'skb_put'
Warning: net/core/skbuff.c:2618 No description found for return value of 'skb_push'
Warning: net/core/skbuff.c:2638 No description found for return value of 'skb_pull'
Warning: net/core/skbuff.c:2655 No description found for return value of 'skb_pull_data'
Warning: net/core/skbuff.c:2818 No description found for return value of '__pskb_pull_tail'
Warning: net/core/skbuff.c:2962 No description found for return value of 'skb_copy_bits'
Warning: net/core/skbuff.c:3391 No description found for return value of 'skb_store_bits'
Warning: net/core/skbuff.c:3819 No description found for return value of 'skb_zerocopy'
Warning: net/core/skbuff.c:3914 No description found for return value of 'skb_dequeue'
Warning: net/core/skbuff.c:3934 No description found for return value of 'skb_dequeue_tail'
Warning: net/core/skbuff.c:3984 No description found for return value of 'skb_rbtree_purge'
Warning: net/core/skbuff.c:4217 No description found for return value of 'skb_shift'
Warning: net/core/skbuff.c:4382 No description found for return value of 'skb_seq_read'
Warning: net/core/skbuff.c:4544 No description found for return value of 'skb_find_text'
Warning: net/core/skbuff.c:4592 No description found for return value of 'skb_pull_rcsum'
Warning: net/core/skbuff.c:4717 No description found for return value of 'skb_segment'
Warning: net/core/skbuff.c:5245 No description found for return value of 'skb_to_sgvec'
Warning: net/core/skbuff.c:5303 No description found for return value of 'skb_cow_data'
Warning: net/core/skbuff.c:5485 No description found for return value of 'skb_clone_sk'
Warning: net/core/skbuff.c:5732 No description found for return value of 'skb_partial_csum_set'
Warning: net/core/skbuff.c:5960 No description found for return value of 'skb_checksum_setup'
Warning: net/core/skbuff.c:5996 No description found for return value of 'skb_checksum_maybe_trim'
Warning: net/core/skbuff.c:6037 No description found for return value of 'skb_checksum_trimmed'
Warning: net/core/skbuff.c:6094 No description found for return value of 'skb_try_coalesce'
Warning: net/core/skbuff.c:6433 No description found for return value of 'skb_eth_pop'
Warning: net/core/skbuff.c:6461 No description found for return value of 'skb_eth_push'
Warning: net/core/skbuff.c:6517 No description found for return value of 'skb_mpls_push'
Warning: net/core/skbuff.c:6570 No description found for return value of 'skb_mpls_pop'
Warning: net/core/skbuff.c:6612 No description found for return value of 'skb_mpls_update_lse'
Warning: net/core/skbuff.c:6644 No description found for return value of 'skb_mpls_dec_ttl'
Warning: net/core/skbuff.c:6682 No description found for return value of 'alloc_skb_with_frags'
Warning: net/core/skbuff.c:7003 No description found for return value of '__skb_ext_alloc'
Warning: net/core/skbuff.c:7062 No description found for return value of '__skb_ext_set'
Warning: net/core/skbuff.c:7090 No description found for return value of 'skb_ext_add'
Warning: net/core/skbuff.c:7275 No description found for return value of 'skb_splice_from_iter'

Warnings before: 54 after: 54