Warnings before patch: files: ['net/ipv4/tcp_input.c'] : Warning: net/ipv4/tcp_input.c:4977 No description found for return value of 'tcp_try_coalesce' Warning: net/ipv4/tcp_input.c:4977 No description found for return value of 'tcp_try_coalesce' Current warnings: files: ['net/ipv4/tcp_input.c'] : Warning: net/ipv4/tcp_input.c:4979 No description found for return value of 'tcp_try_coalesce' Warning: net/ipv4/tcp_input.c:4979 No description found for return value of 'tcp_try_coalesce' Warnings before: 1 after: 1