Warnings before patch:
files: ['net/core/dev.c']
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:4288 No description found for return value of 'dev_loopback_xmit'
Warning: net/core/dev.c:5150 No description found for return value of 'rps_may_expire_flow'
Warning: net/core/dev.c:5654 No description found for return value of '__netif_rx'
Warning: net/core/dev.c:5686 No description found for return value of 'netif_rx'
Warning: net/core/dev.c:5801 No description found for return value of 'netdev_is_rx_handler_busy'
Warning: net/core/dev.c:5824 No description found for return value of 'netdev_rx_handler_register'
Warning: net/core/dev.c:6149 No description found for return value of 'netif_receive_skb_core'
Warning: net/core/dev.c:6381 No description found for return value of 'netif_receive_skb'
Warning: net/core/dev.c:6657 No description found for return value of 'napi_schedule_prep'
Warning: net/core/dev.c:7913 No description found for return value of 'netdev_has_upper_dev'
Warning: net/core/dev.c:7937 No description found for return value of 'netdev_has_upper_dev_all_rcu'
Warning: net/core/dev.c:7955 No description found for return value of 'netdev_has_any_upper_dev'
Warning: net/core/dev.c:7970 No description found for return value of 'netdev_master_upper_dev_get'
Warning: net/core/dev.c:8010 No description found for return value of 'netdev_has_any_lower_dev'
Warning: net/core/dev.c:8036 No description found for return value of 'netdev_upper_get_next_dev_rcu'
Warning: net/core/dev.c:8209 No description found for return value of 'netdev_lower_get_next_private'
Warning: net/core/dev.c:8235 No description found for return value of 'netdev_lower_get_next_private_rcu'
Warning: net/core/dev.c:8263 No description found for return value of 'netdev_lower_get_next'
Warning: net/core/dev.c:8551 No description found for return value of 'netdev_lower_get_first_private_rcu'
Warning: net/core/dev.c:8570 No description found for return value of 'netdev_master_upper_dev_get_rcu'
Warning: net/core/dev.c:8851 No description found for return value of 'netdev_upper_dev_link'
Warning: net/core/dev.c:8880 No description found for return value of 'netdev_master_upper_dev_link'
Warning: net/core/dev.c:9309 No description found for return value of 'netdev_get_xmit_slave'
Warning: net/core/dev.c:9338 No description found for return value of 'netdev_sk_get_lowest_dev'
Warning: net/core/dev.c:9624 No description found for return value of 'netif_get_flags'
Warning: net/core/dev.c:9983 No description found for return value of 'dev_get_phys_port_id'
Warning: net/core/dev.c:10001 No description found for return value of 'dev_get_phys_port_name'
Warning: net/core/dev.c:10063 No description found for return value of 'netdev_port_same_parent_id'
Warning: net/core/dev.c:10650 No description found for return value of 'dev_change_xdp_fd'
Warning: net/core/dev.c:11233 No description found for return value of 'register_netdevice'
Warning: net/core/dev.c:11452 No description found for return value of 'register_netdev'
Warning: net/core/dev.c:11498 No description found for return value of 'netdev_wait_allrefs_any'
Warning: net/core/dev.c:11769 No description found for return value of 'dev_get_stats'
Warning: net/core/dev.c:11930 No description found for return value of 'alloc_netdev_mqs'
Warning: net/core/dev.c:12682 No description found for return value of 'netdev_increment_features'
Warning: net/core/dev.c:12834 No description found for return value of 'netdev_drivername'

Current warnings:
files: ['net/core/dev.c']
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:4288 No description found for return value of 'dev_loopback_xmit'
Warning: net/core/dev.c:5150 No description found for return value of 'rps_may_expire_flow'
Warning: net/core/dev.c:5654 No description found for return value of '__netif_rx'
Warning: net/core/dev.c:5686 No description found for return value of 'netif_rx'
Warning: net/core/dev.c:5801 No description found for return value of 'netdev_is_rx_handler_busy'
Warning: net/core/dev.c:5824 No description found for return value of 'netdev_rx_handler_register'
Warning: net/core/dev.c:6149 No description found for return value of 'netif_receive_skb_core'
Warning: net/core/dev.c:6381 No description found for return value of 'netif_receive_skb'
Warning: net/core/dev.c:6657 No description found for return value of 'napi_schedule_prep'
Warning: net/core/dev.c:7913 No description found for return value of 'netdev_has_upper_dev'
Warning: net/core/dev.c:7937 No description found for return value of 'netdev_has_upper_dev_all_rcu'
Warning: net/core/dev.c:7955 No description found for return value of 'netdev_has_any_upper_dev'
Warning: net/core/dev.c:7970 No description found for return value of 'netdev_master_upper_dev_get'
Warning: net/core/dev.c:8010 No description found for return value of 'netdev_has_any_lower_dev'
Warning: net/core/dev.c:8036 No description found for return value of 'netdev_upper_get_next_dev_rcu'
Warning: net/core/dev.c:8209 No description found for return value of 'netdev_lower_get_next_private'
Warning: net/core/dev.c:8235 No description found for return value of 'netdev_lower_get_next_private_rcu'
Warning: net/core/dev.c:8263 No description found for return value of 'netdev_lower_get_next'
Warning: net/core/dev.c:8551 No description found for return value of 'netdev_lower_get_first_private_rcu'
Warning: net/core/dev.c:8570 No description found for return value of 'netdev_master_upper_dev_get_rcu'
Warning: net/core/dev.c:8851 No description found for return value of 'netdev_upper_dev_link'
Warning: net/core/dev.c:8880 No description found for return value of 'netdev_master_upper_dev_link'
Warning: net/core/dev.c:9309 No description found for return value of 'netdev_get_xmit_slave'
Warning: net/core/dev.c:9338 No description found for return value of 'netdev_sk_get_lowest_dev'
Warning: net/core/dev.c:9624 No description found for return value of 'netif_get_flags'
Warning: net/core/dev.c:9983 No description found for return value of 'dev_get_phys_port_id'
Warning: net/core/dev.c:10001 No description found for return value of 'dev_get_phys_port_name'
Warning: net/core/dev.c:10063 No description found for return value of 'netdev_port_same_parent_id'
Warning: net/core/dev.c:10650 No description found for return value of 'dev_change_xdp_fd'
Warning: net/core/dev.c:11233 No description found for return value of 'register_netdevice'
Warning: net/core/dev.c:11452 No description found for return value of 'register_netdev'
Warning: net/core/dev.c:11498 No description found for return value of 'netdev_wait_allrefs_any'
Warning: net/core/dev.c:11769 No description found for return value of 'dev_get_stats'
Warning: net/core/dev.c:11930 No description found for return value of 'alloc_netdev_mqs'
Warning: net/core/dev.c:12682 No description found for return value of 'netdev_increment_features'
Warning: net/core/dev.c:12834 No description found for return value of 'netdev_drivername'

Warnings before: 64 after: 64