Warnings before patch:
files: ['net/ipv4/tcp_input.c', 'Documentation/networking/ip-sysctl.rst', 'net/ipv4/tcp_ipv4.c', 'net/ipv4/sysctl_net_ipv4.c', 'include/net/netns/ipv4.h']
Warning: net/ipv4/tcp_input.c:4990 No description found for return value of 'tcp_try_coalesce'

Current warnings:
files: ['net/ipv4/tcp_input.c', 'Documentation/networking/ip-sysctl.rst', 'net/ipv4/tcp_ipv4.c', 'net/ipv4/sysctl_net_ipv4.c', 'include/net/netns/ipv4.h']
Warning: net/ipv4/tcp_input.c:4990 No description found for return value of 'tcp_try_coalesce'

Warnings before: 1 after: 1