Warnings before patch:
files: ['drivers/net/ifb.c', 'include/linux/skbuff.h', 'include/net/sch_generic.h', 'net/netfilter/nft_fwd_netdev.c', 'net/sched/act_mirred.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:1139 No description found for return value of 'skb_pfmemalloc'
Warning: include/linux/skbuff.h:1244 No description found for return value of 'skb_dst_is_noref'
Warning: include/linux/skbuff.h:1262 No description found for return value of 'skb_napi_id'
Warning: include/linux/skbuff.h:1381 No description found for return value of 'alloc_skb'
Warning: include/linux/skbuff.h:1431 No description found for return value of 'alloc_skb_fclone'
Warning: include/linux/skbuff.h:1474 No description found for return value of 'skb_pad'
Warning: include/linux/skbuff.h:1924 No description found for return value of 'skb_queue_empty'
Warning: include/linux/skbuff.h:1936 No description found for return value of 'skb_queue_empty_lockless'
Warning: include/linux/skbuff.h:1950 No description found for return value of 'skb_queue_is_last'
Warning: include/linux/skbuff.h:1963 No description found for return value of 'skb_queue_is_first'
Warning: include/linux/skbuff.h:1977 No description found for return value of 'skb_queue_next'
Warning: include/linux/skbuff.h:1995 No description found for return value of 'skb_queue_prev'
Warning: include/linux/skbuff.h:2011 No description found for return value of 'skb_get'
Warning: include/linux/skbuff.h:2029 No description found for return value of 'skb_cloned'
Warning: include/linux/skbuff.h:2068 No description found for return value of 'skb_header_cloned'
Warning: include/linux/skbuff.h:2110 No description found for return value of 'skb_shared'
Warning: include/linux/skbuff.h:2128 No description found for return value of 'skb_share_check'
Warning: include/linux/skbuff.h:2164 No description found for return value of 'skb_unshare'
Warning: include/linux/skbuff.h:2193 No description found for return value of 'skb_peek'
Warning: include/linux/skbuff.h:2208 No description found for return value of '__skb_peek'
Warning: include/linux/skbuff.h:2223 No description found for return value of 'skb_peek_next'
Warning: include/linux/skbuff.h:2245 No description found for return value of 'skb_peek_tail'
Warning: include/linux/skbuff.h:2261 No description found for return value of 'skb_queue_len'
Warning: include/linux/skbuff.h:2273 No description found for return value of 'skb_queue_len_lockless'
Warning: include/linux/skbuff.h:2499 No description found for return value of '__skb_dequeue'
Warning: include/linux/skbuff.h:2516 No description found for return value of '__skb_dequeue_tail'
Warning: include/linux/skbuff.h:2886 No description found for return value of 'skb_headroom'
Warning: include/linux/skbuff.h:2897 No description found for return value of 'skb_tailroom'
Warning: include/linux/skbuff.h:2909 No description found for return value of 'skb_availroom'
Warning: include/linux/skbuff.h:3393 No description found for return value of 'skb_orphan_frags'
Warning: include/linux/skbuff.h:3453 No description found for return value of 'netdev_alloc_frag'
Warning: include/linux/skbuff.h:3482 No description found for return value of 'netdev_alloc_skb'
Warning: include/linux/skbuff.h:3552 No description found for return value of '__dev_alloc_pages'
Warning: include/linux/skbuff.h:3582 No description found for return value of '__dev_alloc_page'
Warning: include/linux/skbuff.h:3626 No description found for return value of 'skb_frag_off'
Warning: include/linux/skbuff.h:3778 No description found for return value of '__skb_frag_dma_map'
Warning: include/linux/skbuff.h:3831 No description found for return value of 'skb_clone_writable'
Warning: include/linux/skbuff.h:3870 No description found for return value of 'skb_cow'
Warning: include/linux/skbuff.h:3885 No description found for return value of 'skb_cow_head'
Warning: include/linux/skbuff.h:3900 No description found for return value of 'skb_padto'
Warning: include/linux/skbuff.h:3921 No description found for return value of '__skb_put_padto'
Warning: include/linux/skbuff.h:3944 No description found for return value of 'skb_put_padto'
Warning: include/linux/skbuff.h:3984 No description found for return value of 'skb_linearize'
Warning: include/linux/skbuff.h:4009 No description found for return value of 'skb_linearize_cow'
Warning: include/linux/skbuff.h:4085 No description found for return value of 'skb_push_rcsum'
Warning: include/linux/skbuff.h:4103 No description found for return value of 'pskb_trim_rcsum'
Warning: include/linux/skbuff.h:4323 No description found for return value of 'skb_needs_linearize'
Warning: include/linux/skbuff.h:4750 No description found for return value of 'skb_checksum_complete'
Warning: include/linux/skbuff.h:5320 No description found for return value of 'skb_head_is_locked'
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:1139 No description found for return value of 'skb_pfmemalloc'
Warning: include/linux/skbuff.h:1244 No description found for return value of 'skb_dst_is_noref'
Warning: include/linux/skbuff.h:1262 No description found for return value of 'skb_napi_id'
Warning: include/linux/skbuff.h:1381 No description found for return value of 'alloc_skb'
Warning: include/linux/skbuff.h:1431 No description found for return value of 'alloc_skb_fclone'
Warning: include/linux/skbuff.h:1474 No description found for return value of 'skb_pad'
Warning: include/linux/skbuff.h:1924 No description found for return value of 'skb_queue_empty'
Warning: include/linux/skbuff.h:1936 No description found for return value of 'skb_queue_empty_lockless'
Warning: include/linux/skbuff.h:1950 No description found for return value of 'skb_queue_is_last'
Warning: include/linux/skbuff.h:1963 No description found for return value of 'skb_queue_is_first'
Warning: include/linux/skbuff.h:1977 No description found for return value of 'skb_queue_next'
Warning: include/linux/skbuff.h:1995 No description found for return value of 'skb_queue_prev'
Warning: include/linux/skbuff.h:2011 No description found for return value of 'skb_get'
Warning: include/linux/skbuff.h:2029 No description found for return value of 'skb_cloned'
Warning: include/linux/skbuff.h:2068 No description found for return value of 'skb_header_cloned'
Warning: include/linux/skbuff.h:2110 No description found for return value of 'skb_shared'
Warning: include/linux/skbuff.h:2128 No description found for return value of 'skb_share_check'
Warning: include/linux/skbuff.h:2164 No description found for return value of 'skb_unshare'
Warning: include/linux/skbuff.h:2193 No description found for return value of 'skb_peek'
Warning: include/linux/skbuff.h:2208 No description found for return value of '__skb_peek'
Warning: include/linux/skbuff.h:2223 No description found for return value of 'skb_peek_next'
Warning: include/linux/skbuff.h:2245 No description found for return value of 'skb_peek_tail'
Warning: include/linux/skbuff.h:2261 No description found for return value of 'skb_queue_len'
Warning: include/linux/skbuff.h:2273 No description found for return value of 'skb_queue_len_lockless'
Warning: include/linux/skbuff.h:2499 No description found for return value of '__skb_dequeue'
Warning: include/linux/skbuff.h:2516 No description found for return value of '__skb_dequeue_tail'
Warning: include/linux/skbuff.h:2886 No description found for return value of 'skb_headroom'
Warning: include/linux/skbuff.h:2897 No description found for return value of 'skb_tailroom'
Warning: include/linux/skbuff.h:2909 No description found for return value of 'skb_availroom'
Warning: include/linux/skbuff.h:3393 No description found for return value of 'skb_orphan_frags'
Warning: include/linux/skbuff.h:3453 No description found for return value of 'netdev_alloc_frag'
Warning: include/linux/skbuff.h:3482 No description found for return value of 'netdev_alloc_skb'
Warning: include/linux/skbuff.h:3552 No description found for return value of '__dev_alloc_pages'
Warning: include/linux/skbuff.h:3582 No description found for return value of '__dev_alloc_page'
Warning: include/linux/skbuff.h:3626 No description found for return value of 'skb_frag_off'
Warning: include/linux/skbuff.h:3778 No description found for return value of '__skb_frag_dma_map'
Warning: include/linux/skbuff.h:3831 No description found for return value of 'skb_clone_writable'
Warning: include/linux/skbuff.h:3870 No description found for return value of 'skb_cow'
Warning: include/linux/skbuff.h:3885 No description found for return value of 'skb_cow_head'
Warning: include/linux/skbuff.h:3900 No description found for return value of 'skb_padto'
Warning: include/linux/skbuff.h:3921 No description found for return value of '__skb_put_padto'
Warning: include/linux/skbuff.h:3944 No description found for return value of 'skb_put_padto'
Warning: include/linux/skbuff.h:3984 No description found for return value of 'skb_linearize'
Warning: include/linux/skbuff.h:4009 No description found for return value of 'skb_linearize_cow'
Warning: include/linux/skbuff.h:4085 No description found for return value of 'skb_push_rcsum'
Warning: include/linux/skbuff.h:4103 No description found for return value of 'pskb_trim_rcsum'
Warning: include/linux/skbuff.h:4323 No description found for return value of 'skb_needs_linearize'
Warning: include/linux/skbuff.h:4750 No description found for return value of 'skb_checksum_complete'
Warning: include/linux/skbuff.h:5320 No description found for return value of 'skb_head_is_locked'

Current warnings:
files: ['drivers/net/ifb.c', 'include/linux/skbuff.h', 'include/net/sch_generic.h', 'net/netfilter/nft_fwd_netdev.c', 'net/sched/act_mirred.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:1138 No description found for return value of 'skb_pfmemalloc'
Warning: include/linux/skbuff.h:1243 No description found for return value of 'skb_dst_is_noref'
Warning: include/linux/skbuff.h:1261 No description found for return value of 'skb_napi_id'
Warning: include/linux/skbuff.h:1380 No description found for return value of 'alloc_skb'
Warning: include/linux/skbuff.h:1430 No description found for return value of 'alloc_skb_fclone'
Warning: include/linux/skbuff.h:1473 No description found for return value of 'skb_pad'
Warning: include/linux/skbuff.h:1923 No description found for return value of 'skb_queue_empty'
Warning: include/linux/skbuff.h:1935 No description found for return value of 'skb_queue_empty_lockless'
Warning: include/linux/skbuff.h:1949 No description found for return value of 'skb_queue_is_last'
Warning: include/linux/skbuff.h:1962 No description found for return value of 'skb_queue_is_first'
Warning: include/linux/skbuff.h:1976 No description found for return value of 'skb_queue_next'
Warning: include/linux/skbuff.h:1994 No description found for return value of 'skb_queue_prev'
Warning: include/linux/skbuff.h:2010 No description found for return value of 'skb_get'
Warning: include/linux/skbuff.h:2028 No description found for return value of 'skb_cloned'
Warning: include/linux/skbuff.h:2067 No description found for return value of 'skb_header_cloned'
Warning: include/linux/skbuff.h:2109 No description found for return value of 'skb_shared'
Warning: include/linux/skbuff.h:2127 No description found for return value of 'skb_share_check'
Warning: include/linux/skbuff.h:2163 No description found for return value of 'skb_unshare'
Warning: include/linux/skbuff.h:2192 No description found for return value of 'skb_peek'
Warning: include/linux/skbuff.h:2207 No description found for return value of '__skb_peek'
Warning: include/linux/skbuff.h:2222 No description found for return value of 'skb_peek_next'
Warning: include/linux/skbuff.h:2244 No description found for return value of 'skb_peek_tail'
Warning: include/linux/skbuff.h:2260 No description found for return value of 'skb_queue_len'
Warning: include/linux/skbuff.h:2272 No description found for return value of 'skb_queue_len_lockless'
Warning: include/linux/skbuff.h:2498 No description found for return value of '__skb_dequeue'
Warning: include/linux/skbuff.h:2515 No description found for return value of '__skb_dequeue_tail'
Warning: include/linux/skbuff.h:2885 No description found for return value of 'skb_headroom'
Warning: include/linux/skbuff.h:2896 No description found for return value of 'skb_tailroom'
Warning: include/linux/skbuff.h:2908 No description found for return value of 'skb_availroom'
Warning: include/linux/skbuff.h:3392 No description found for return value of 'skb_orphan_frags'
Warning: include/linux/skbuff.h:3452 No description found for return value of 'netdev_alloc_frag'
Warning: include/linux/skbuff.h:3481 No description found for return value of 'netdev_alloc_skb'
Warning: include/linux/skbuff.h:3551 No description found for return value of '__dev_alloc_pages'
Warning: include/linux/skbuff.h:3581 No description found for return value of '__dev_alloc_page'
Warning: include/linux/skbuff.h:3625 No description found for return value of 'skb_frag_off'
Warning: include/linux/skbuff.h:3777 No description found for return value of '__skb_frag_dma_map'
Warning: include/linux/skbuff.h:3830 No description found for return value of 'skb_clone_writable'
Warning: include/linux/skbuff.h:3869 No description found for return value of 'skb_cow'
Warning: include/linux/skbuff.h:3884 No description found for return value of 'skb_cow_head'
Warning: include/linux/skbuff.h:3899 No description found for return value of 'skb_padto'
Warning: include/linux/skbuff.h:3920 No description found for return value of '__skb_put_padto'
Warning: include/linux/skbuff.h:3943 No description found for return value of 'skb_put_padto'
Warning: include/linux/skbuff.h:3983 No description found for return value of 'skb_linearize'
Warning: include/linux/skbuff.h:4008 No description found for return value of 'skb_linearize_cow'
Warning: include/linux/skbuff.h:4084 No description found for return value of 'skb_push_rcsum'
Warning: include/linux/skbuff.h:4102 No description found for return value of 'pskb_trim_rcsum'
Warning: include/linux/skbuff.h:4322 No description found for return value of 'skb_needs_linearize'
Warning: include/linux/skbuff.h:4749 No description found for return value of 'skb_checksum_complete'
Warning: include/linux/skbuff.h:5319 No description found for return value of 'skb_head_is_locked'
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:1138 No description found for return value of 'skb_pfmemalloc'
Warning: include/linux/skbuff.h:1243 No description found for return value of 'skb_dst_is_noref'
Warning: include/linux/skbuff.h:1261 No description found for return value of 'skb_napi_id'
Warning: include/linux/skbuff.h:1380 No description found for return value of 'alloc_skb'
Warning: include/linux/skbuff.h:1430 No description found for return value of 'alloc_skb_fclone'
Warning: include/linux/skbuff.h:1473 No description found for return value of 'skb_pad'
Warning: include/linux/skbuff.h:1923 No description found for return value of 'skb_queue_empty'
Warning: include/linux/skbuff.h:1935 No description found for return value of 'skb_queue_empty_lockless'
Warning: include/linux/skbuff.h:1949 No description found for return value of 'skb_queue_is_last'
Warning: include/linux/skbuff.h:1962 No description found for return value of 'skb_queue_is_first'
Warning: include/linux/skbuff.h:1976 No description found for return value of 'skb_queue_next'
Warning: include/linux/skbuff.h:1994 No description found for return value of 'skb_queue_prev'
Warning: include/linux/skbuff.h:2010 No description found for return value of 'skb_get'
Warning: include/linux/skbuff.h:2028 No description found for return value of 'skb_cloned'
Warning: include/linux/skbuff.h:2067 No description found for return value of 'skb_header_cloned'
Warning: include/linux/skbuff.h:2109 No description found for return value of 'skb_shared'
Warning: include/linux/skbuff.h:2127 No description found for return value of 'skb_share_check'
Warning: include/linux/skbuff.h:2163 No description found for return value of 'skb_unshare'
Warning: include/linux/skbuff.h:2192 No description found for return value of 'skb_peek'
Warning: include/linux/skbuff.h:2207 No description found for return value of '__skb_peek'
Warning: include/linux/skbuff.h:2222 No description found for return value of 'skb_peek_next'
Warning: include/linux/skbuff.h:2244 No description found for return value of 'skb_peek_tail'
Warning: include/linux/skbuff.h:2260 No description found for return value of 'skb_queue_len'
Warning: include/linux/skbuff.h:2272 No description found for return value of 'skb_queue_len_lockless'
Warning: include/linux/skbuff.h:2498 No description found for return value of '__skb_dequeue'
Warning: include/linux/skbuff.h:2515 No description found for return value of '__skb_dequeue_tail'
Warning: include/linux/skbuff.h:2885 No description found for return value of 'skb_headroom'
Warning: include/linux/skbuff.h:2896 No description found for return value of 'skb_tailroom'
Warning: include/linux/skbuff.h:2908 No description found for return value of 'skb_availroom'
Warning: include/linux/skbuff.h:3392 No description found for return value of 'skb_orphan_frags'
Warning: include/linux/skbuff.h:3452 No description found for return value of 'netdev_alloc_frag'
Warning: include/linux/skbuff.h:3481 No description found for return value of 'netdev_alloc_skb'
Warning: include/linux/skbuff.h:3551 No description found for return value of '__dev_alloc_pages'
Warning: include/linux/skbuff.h:3581 No description found for return value of '__dev_alloc_page'
Warning: include/linux/skbuff.h:3625 No description found for return value of 'skb_frag_off'
Warning: include/linux/skbuff.h:3777 No description found for return value of '__skb_frag_dma_map'
Warning: include/linux/skbuff.h:3830 No description found for return value of 'skb_clone_writable'
Warning: include/linux/skbuff.h:3869 No description found for return value of 'skb_cow'
Warning: include/linux/skbuff.h:3884 No description found for return value of 'skb_cow_head'
Warning: include/linux/skbuff.h:3899 No description found for return value of 'skb_padto'
Warning: include/linux/skbuff.h:3920 No description found for return value of '__skb_put_padto'
Warning: include/linux/skbuff.h:3943 No description found for return value of 'skb_put_padto'
Warning: include/linux/skbuff.h:3983 No description found for return value of 'skb_linearize'
Warning: include/linux/skbuff.h:4008 No description found for return value of 'skb_linearize_cow'
Warning: include/linux/skbuff.h:4084 No description found for return value of 'skb_push_rcsum'
Warning: include/linux/skbuff.h:4102 No description found for return value of 'pskb_trim_rcsum'
Warning: include/linux/skbuff.h:4322 No description found for return value of 'skb_needs_linearize'
Warning: include/linux/skbuff.h:4749 No description found for return value of 'skb_checksum_complete'
Warning: include/linux/skbuff.h:5319 No description found for return value of 'skb_head_is_locked'

Warnings before: 102 after: 102