Warnings before patch: files: ['Documentation/networking/ip-sysctl.rst', 'Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst', 'include/net/netns/ipv4.h', 'net/ipv4/sysctl_net_ipv4.c', 'net/ipv4/tcp_input.c'] Warning: net/ipv4/tcp_input.c:5258 No description found for return value of 'tcp_try_coalesce' Warning: net/ipv4/tcp_input.c:5258 No description found for return value of 'tcp_try_coalesce' Current warnings: files: ['Documentation/networking/ip-sysctl.rst', 'Documentation/networking/net_cachelines/netns_ipv4_sysctl.rst', 'include/net/netns/ipv4.h', 'net/ipv4/sysctl_net_ipv4.c', 'net/ipv4/tcp_input.c'] Warning: net/ipv4/tcp_input.c:5274 No description found for return value of 'tcp_try_coalesce' Warning: net/ipv4/tcp_input.c:5274 No description found for return value of 'tcp_try_coalesce' Warnings before: 2 after: 2