Warnings before patch:
files: ['include/net/sock.h', 'net/can/bcm.c', 'net/can/isotp.c', 'net/can/j1939/socket.c', 'net/can/raw.c', 'net/core/sock.c', 'net/ipv4/ping.c', 'net/ipv4/raw.c', 'net/ipv6/raw.c']
Warning: include/net/sock.h:643 No description found for return value of 'sk_user_data_is_nocopy'
Warning: include/net/sock.h:662 No description found for return value of '__locked_read_sk_user_data_with_flags'
Warning: include/net/sock.h:685 No description found for return value of '__rcu_dereference_sk_user_data_with_flags'
Warning: include/net/sock.h:1741 No description found for return value of 'lock_sock_fast'
Warning: net/core/sock.c:172 No description found for return value of 'sk_ns_capable'
Warning: net/core/sock.c:188 No description found for return value of 'sk_capable'
Warning: net/core/sock.c:203 No description found for return value of 'sk_net_capable'
Warning: net/core/sock.c:2297 No description found for return value of 'sk_alloc'
Warning: net/core/sock.c:2474 No description found for return value of 'sk_clone'
Warning: net/core/sock.c:3131 No description found for return value of 'skb_page_frag_refill'
Warning: net/core/sock.c:3258 No description found for return value of 'sk_wait_data'
Warning: net/core/sock.c:3287 No description found for return value of '__sk_mem_raise_allocated'
Warning: net/core/sock.c:3405 No description found for return value of '__sk_mem_schedule'
Warning: include/net/sock.h:643 No description found for return value of 'sk_user_data_is_nocopy'
Warning: include/net/sock.h:662 No description found for return value of '__locked_read_sk_user_data_with_flags'
Warning: include/net/sock.h:685 No description found for return value of '__rcu_dereference_sk_user_data_with_flags'
Warning: include/net/sock.h:1741 No description found for return value of 'lock_sock_fast'
Warning: net/core/sock.c:172 No description found for return value of 'sk_ns_capable'
Warning: net/core/sock.c:188 No description found for return value of 'sk_capable'
Warning: net/core/sock.c:203 No description found for return value of 'sk_net_capable'
Warning: net/core/sock.c:2297 No description found for return value of 'sk_alloc'
Warning: net/core/sock.c:2474 No description found for return value of 'sk_clone'
Warning: net/core/sock.c:3131 No description found for return value of 'skb_page_frag_refill'
Warning: net/core/sock.c:3258 No description found for return value of 'sk_wait_data'
Warning: net/core/sock.c:3287 No description found for return value of '__sk_mem_raise_allocated'
Warning: net/core/sock.c:3405 No description found for return value of '__sk_mem_schedule'

Current warnings:
files: ['include/net/sock.h', 'net/can/bcm.c', 'net/can/isotp.c', 'net/can/j1939/socket.c', 'net/can/raw.c', 'net/core/sock.c', 'net/ipv4/ping.c', 'net/ipv4/raw.c', 'net/ipv6/raw.c']
Warning: include/net/sock.h:643 No description found for return value of 'sk_user_data_is_nocopy'
Warning: include/net/sock.h:662 No description found for return value of '__locked_read_sk_user_data_with_flags'
Warning: include/net/sock.h:685 No description found for return value of '__rcu_dereference_sk_user_data_with_flags'
Warning: include/net/sock.h:1741 No description found for return value of 'lock_sock_fast'
Warning: net/core/sock.c:172 No description found for return value of 'sk_ns_capable'
Warning: net/core/sock.c:188 No description found for return value of 'sk_capable'
Warning: net/core/sock.c:203 No description found for return value of 'sk_net_capable'
Warning: net/core/sock.c:2289 No description found for return value of 'sk_alloc'
Warning: net/core/sock.c:2466 No description found for return value of 'sk_clone'
Warning: net/core/sock.c:3123 No description found for return value of 'skb_page_frag_refill'
Warning: net/core/sock.c:3250 No description found for return value of 'sk_wait_data'
Warning: net/core/sock.c:3279 No description found for return value of '__sk_mem_raise_allocated'
Warning: net/core/sock.c:3397 No description found for return value of '__sk_mem_schedule'
Warning: include/net/sock.h:643 No description found for return value of 'sk_user_data_is_nocopy'
Warning: include/net/sock.h:662 No description found for return value of '__locked_read_sk_user_data_with_flags'
Warning: include/net/sock.h:685 No description found for return value of '__rcu_dereference_sk_user_data_with_flags'
Warning: include/net/sock.h:1741 No description found for return value of 'lock_sock_fast'
Warning: net/core/sock.c:172 No description found for return value of 'sk_ns_capable'
Warning: net/core/sock.c:188 No description found for return value of 'sk_capable'
Warning: net/core/sock.c:203 No description found for return value of 'sk_net_capable'
Warning: net/core/sock.c:2289 No description found for return value of 'sk_alloc'
Warning: net/core/sock.c:2466 No description found for return value of 'sk_clone'
Warning: net/core/sock.c:3123 No description found for return value of 'skb_page_frag_refill'
Warning: net/core/sock.c:3250 No description found for return value of 'sk_wait_data'
Warning: net/core/sock.c:3279 No description found for return value of '__sk_mem_raise_allocated'
Warning: net/core/sock.c:3397 No description found for return value of '__sk_mem_schedule'

Warnings before: 26 after: 26