Warnings before patch:
files: ['net/ipv4/tcp.c', 'net/ipv4/tcp_output.c']
Warning: net/ipv4/tcp.c:816 No description found for return value of 'tcp_splice_read'
Warning: net/ipv4/tcp_output.c:3934 No description found for return value of 'tcp_make_synack'
Warning: net/ipv4/tcp.c:816 No description found for return value of 'tcp_splice_read'
Warning: net/ipv4/tcp_output.c:3934 No description found for return value of 'tcp_make_synack'

Current warnings:
files: ['net/ipv4/tcp.c', 'net/ipv4/tcp_output.c']
Warning: net/ipv4/tcp.c:816 No description found for return value of 'tcp_splice_read'
Warning: net/ipv4/tcp_output.c:3907 No description found for return value of 'tcp_make_synack'
Warning: net/ipv4/tcp.c:816 No description found for return value of 'tcp_splice_read'
Warning: net/ipv4/tcp_output.c:3907 No description found for return value of 'tcp_make_synack'

Warnings before: 4 after: 4