WARNING: line length of 106 exceeds 80 columns
#126: FILE: net/mptcp/sockopt.c:1393:
+					    READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_keepalive_time) / HZ);

WARNING: line length of 107 exceeds 80 columns
#130: FILE: net/mptcp/sockopt.c:1397:
+					    READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_keepalive_intvl) / HZ);

WARNING: line length of 103 exceeds 80 columns
#134: FILE: net/mptcp/sockopt.c:1401:
+					    READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_keepalive_probes));

total: 0 errors, 3 warnings, 0 checks, 97 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 40a0fe527a62 ("mptcp: fix full TCP keep-alive support") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 3 warnings, 0 checks, 97 lines checked