Warnings before patch:
files: ['include/net/pkt_sched.h', 'net/core/dev.c', 'include/net/sch_generic.h']
Warning: net/core/dev.c:689 No description found for return value of 'dev_get_iflink'
Warning: net/core/dev.c:707 No description found for return value of 'dev_fill_metadata_dst'
Warning: net/core/dev.c:860 No description found for return value of '__dev_get_by_name'
Warning: net/core/dev.c:881 No description found for return value of 'dev_get_by_name_rcu'
Warning: net/core/dev.c:917 No description found for return value of 'netdev_get_by_name'
Warning: net/core/dev.c:939 No description found for return value of '__dev_get_by_index'
Warning: net/core/dev.c:963 No description found for return value of 'dev_get_by_index_rcu'
Warning: net/core/dev.c:1002 No description found for return value of 'netdev_get_by_index'
Warning: net/core/dev.c:1022 No description found for return value of 'dev_get_by_napi_id'
Warning: net/core/dev.c:1174 No description found for return value of 'netdev_get_name'
Warning: net/core/dev.c:1216 No description found for return value of 'dev_getbyhwaddr_rcu'
Warning: net/core/dev.c:1306 No description found for return value of 'dev_valid_name'
Warning: net/core/dev.c:1339 No description found for return value of '__dev_alloc_name'
Warning: net/core/dev.c:1428 No description found for return value of 'dev_alloc_name'
Warning: net/core/dev.c:1549 No description found for return value of 'dev_get_alias'
Warning: net/core/dev.c:1948 No description found for return value of 'register_netdevice_notifier'
Warning: net/core/dev.c:2003 No description found for return value of 'unregister_netdevice_notifier'
Warning: net/core/dev.c:2079 No description found for return value of 'register_netdevice_notifier_net'
Warning: net/core/dev.c:2108 No description found for return value of 'unregister_netdevice_notifier_net'
Warning: net/core/dev.c:2216 No description found for return value of 'call_netdevice_notifiers_info'
Warning: net/core/dev.c:2249 No description found for return value of 'call_netdevice_notifiers_info_robust'
Warning: net/core/dev.c:2280 No description found for return value of 'call_netdevice_notifiers'
Warning: net/core/dev.c:2296 No description found for return value of 'call_netdevice_notifiers_mtu'
Warning: net/core/dev.c:2455 No description found for return value of 'dev_forward_skb'
Warning: net/core/dev.c:2514 No description found for return value of 'dev_nit_active_rcu'
Warning: net/core/dev.c:3223 No description found for return value of 'netif_set_real_num_rx_queues'
Warning: net/core/dev.c:3254 No description found for return value of 'netif_set_real_num_queues'
Warning: net/core/dev.c:3342 No description found for return value of 'netif_get_num_default_rss_queues'
Warning: net/core/dev.c:4292 No description found for return value of 'dev_loopback_xmit'
Warning: net/core/dev.c:5154 No description found for return value of 'rps_may_expire_flow'
Warning: net/core/dev.c:5658 No description found for return value of '__netif_rx'
Warning: net/core/dev.c:5690 No description found for return value of 'netif_rx'
Warning: net/core/dev.c:5805 No description found for return value of 'netdev_is_rx_handler_busy'
Warning: net/core/dev.c:5828 No description found for return value of 'netdev_rx_handler_register'
Warning: net/core/dev.c:6153 No description found for return value of 'netif_receive_skb_core'
Warning: net/core/dev.c:6385 No description found for return value of 'netif_receive_skb'
Warning: net/core/dev.c:6661 No description found for return value of 'napi_schedule_prep'
Warning: net/core/dev.c:7956 No description found for return value of 'netdev_has_upper_dev'
Warning: net/core/dev.c:7980 No description found for return value of 'netdev_has_upper_dev_all_rcu'
Warning: net/core/dev.c:7998 No description found for return value of 'netdev_has_any_upper_dev'
Warning: net/core/dev.c:8013 No description found for return value of 'netdev_master_upper_dev_get'
Warning: net/core/dev.c:8053 No description found for return value of 'netdev_has_any_lower_dev'
Warning: net/core/dev.c:8079 No description found for return value of 'netdev_upper_get_next_dev_rcu'
Warning: net/core/dev.c:8252 No description found for return value of 'netdev_lower_get_next_private'
Warning: net/core/dev.c:8278 No description found for return value of 'netdev_lower_get_next_private_rcu'
Warning: net/core/dev.c:8306 No description found for return value of 'netdev_lower_get_next'
Warning: net/core/dev.c:8594 No description found for return value of 'netdev_lower_get_first_private_rcu'
Warning: net/core/dev.c:8613 No description found for return value of 'netdev_master_upper_dev_get_rcu'
Warning: net/core/dev.c:8894 No description found for return value of 'netdev_upper_dev_link'
Warning: net/core/dev.c:8923 No description found for return value of 'netdev_master_upper_dev_link'
Warning: net/core/dev.c:9352 No description found for return value of 'netdev_get_xmit_slave'
Warning: net/core/dev.c:9381 No description found for return value of 'netdev_sk_get_lowest_dev'
Warning: net/core/dev.c:9667 No description found for return value of 'netif_get_flags'
Warning: net/core/dev.c:10026 No description found for return value of 'dev_get_phys_port_id'
Warning: net/core/dev.c:10044 No description found for return value of 'dev_get_phys_port_name'
Warning: net/core/dev.c:10106 No description found for return value of 'netdev_port_same_parent_id'
Warning: net/core/dev.c:10693 No description found for return value of 'dev_change_xdp_fd'
Warning: net/core/dev.c:11276 No description found for return value of 'register_netdevice'
Warning: net/core/dev.c:11495 No description found for return value of 'register_netdev'
Warning: net/core/dev.c:11541 No description found for return value of 'netdev_wait_allrefs_any'
Warning: net/core/dev.c:11812 No description found for return value of 'dev_get_stats'
Warning: net/core/dev.c:11973 No description found for return value of 'alloc_netdev_mqs'
Warning: net/core/dev.c:12725 No description found for return value of 'netdev_increment_features'
Warning: net/core/dev.c:12877 No description found for return value of 'netdev_drivername'

Current warnings:
files: ['include/net/pkt_sched.h', 'net/core/dev.c', 'include/net/sch_generic.h']
Warning: net/core/dev.c:689 No description found for return value of 'dev_get_iflink'
Warning: net/core/dev.c:707 No description found for return value of 'dev_fill_metadata_dst'
Warning: net/core/dev.c:860 No description found for return value of '__dev_get_by_name'
Warning: net/core/dev.c:881 No description found for return value of 'dev_get_by_name_rcu'
Warning: net/core/dev.c:917 No description found for return value of 'netdev_get_by_name'
Warning: net/core/dev.c:939 No description found for return value of '__dev_get_by_index'
Warning: net/core/dev.c:963 No description found for return value of 'dev_get_by_index_rcu'
Warning: net/core/dev.c:1002 No description found for return value of 'netdev_get_by_index'
Warning: net/core/dev.c:1022 No description found for return value of 'dev_get_by_napi_id'
Warning: net/core/dev.c:1174 No description found for return value of 'netdev_get_name'
Warning: net/core/dev.c:1216 No description found for return value of 'dev_getbyhwaddr_rcu'
Warning: net/core/dev.c:1306 No description found for return value of 'dev_valid_name'
Warning: net/core/dev.c:1339 No description found for return value of '__dev_alloc_name'
Warning: net/core/dev.c:1428 No description found for return value of 'dev_alloc_name'
Warning: net/core/dev.c:1549 No description found for return value of 'dev_get_alias'
Warning: net/core/dev.c:1948 No description found for return value of 'register_netdevice_notifier'
Warning: net/core/dev.c:2003 No description found for return value of 'unregister_netdevice_notifier'
Warning: net/core/dev.c:2079 No description found for return value of 'register_netdevice_notifier_net'
Warning: net/core/dev.c:2108 No description found for return value of 'unregister_netdevice_notifier_net'
Warning: net/core/dev.c:2216 No description found for return value of 'call_netdevice_notifiers_info'
Warning: net/core/dev.c:2249 No description found for return value of 'call_netdevice_notifiers_info_robust'
Warning: net/core/dev.c:2280 No description found for return value of 'call_netdevice_notifiers'
Warning: net/core/dev.c:2296 No description found for return value of 'call_netdevice_notifiers_mtu'
Warning: net/core/dev.c:2455 No description found for return value of 'dev_forward_skb'
Warning: net/core/dev.c:2514 No description found for return value of 'dev_nit_active_rcu'
Warning: net/core/dev.c:3223 No description found for return value of 'netif_set_real_num_rx_queues'
Warning: net/core/dev.c:3254 No description found for return value of 'netif_set_real_num_queues'
Warning: net/core/dev.c:3342 No description found for return value of 'netif_get_num_default_rss_queues'
Warning: net/core/dev.c:4294 No description found for return value of 'dev_loopback_xmit'
Warning: net/core/dev.c:5156 No description found for return value of 'rps_may_expire_flow'
Warning: net/core/dev.c:5660 No description found for return value of '__netif_rx'
Warning: net/core/dev.c:5692 No description found for return value of 'netif_rx'
Warning: net/core/dev.c:5809 No description found for return value of 'netdev_is_rx_handler_busy'
Warning: net/core/dev.c:5832 No description found for return value of 'netdev_rx_handler_register'
Warning: net/core/dev.c:6157 No description found for return value of 'netif_receive_skb_core'
Warning: net/core/dev.c:6389 No description found for return value of 'netif_receive_skb'
Warning: net/core/dev.c:6665 No description found for return value of 'napi_schedule_prep'
Warning: net/core/dev.c:7960 No description found for return value of 'netdev_has_upper_dev'
Warning: net/core/dev.c:7984 No description found for return value of 'netdev_has_upper_dev_all_rcu'
Warning: net/core/dev.c:8002 No description found for return value of 'netdev_has_any_upper_dev'
Warning: net/core/dev.c:8017 No description found for return value of 'netdev_master_upper_dev_get'
Warning: net/core/dev.c:8057 No description found for return value of 'netdev_has_any_lower_dev'
Warning: net/core/dev.c:8083 No description found for return value of 'netdev_upper_get_next_dev_rcu'
Warning: net/core/dev.c:8256 No description found for return value of 'netdev_lower_get_next_private'
Warning: net/core/dev.c:8282 No description found for return value of 'netdev_lower_get_next_private_rcu'
Warning: net/core/dev.c:8310 No description found for return value of 'netdev_lower_get_next'
Warning: net/core/dev.c:8598 No description found for return value of 'netdev_lower_get_first_private_rcu'
Warning: net/core/dev.c:8617 No description found for return value of 'netdev_master_upper_dev_get_rcu'
Warning: net/core/dev.c:8898 No description found for return value of 'netdev_upper_dev_link'
Warning: net/core/dev.c:8927 No description found for return value of 'netdev_master_upper_dev_link'
Warning: net/core/dev.c:9356 No description found for return value of 'netdev_get_xmit_slave'
Warning: net/core/dev.c:9385 No description found for return value of 'netdev_sk_get_lowest_dev'
Warning: net/core/dev.c:9671 No description found for return value of 'netif_get_flags'
Warning: net/core/dev.c:10030 No description found for return value of 'dev_get_phys_port_id'
Warning: net/core/dev.c:10048 No description found for return value of 'dev_get_phys_port_name'
Warning: net/core/dev.c:10110 No description found for return value of 'netdev_port_same_parent_id'
Warning: net/core/dev.c:10697 No description found for return value of 'dev_change_xdp_fd'
Warning: net/core/dev.c:11280 No description found for return value of 'register_netdevice'
Warning: net/core/dev.c:11499 No description found for return value of 'register_netdev'
Warning: net/core/dev.c:11545 No description found for return value of 'netdev_wait_allrefs_any'
Warning: net/core/dev.c:11816 No description found for return value of 'dev_get_stats'
Warning: net/core/dev.c:11977 No description found for return value of 'alloc_netdev_mqs'
Warning: net/core/dev.c:12729 No description found for return value of 'netdev_increment_features'
Warning: net/core/dev.c:12881 No description found for return value of 'netdev_drivername'

Warnings before: 64 after: 64