WARNING: line length of 95 exceeds 80 columns
#166: FILE: net/core/sock.c:1813:
+			if (optname == SO_TIMESTAMPING_OLD || sock_flag(sk, SOCK_TSTAMP_NEW)) {

WARNING: line length of 81 exceeds 80 columns
#167: FILE: net/core/sock.c:1814:
+				v.timestamping.flags = READ_ONCE(sk->sk_tsflags);

WARNING: line length of 85 exceeds 80 columns
#168: FILE: net/core/sock.c:1815:
+				v.timestamping.bind_phc = READ_ONCE(sk->sk_bind_phc);

WARNING: line length of 85 exceeds 80 columns
#197: FILE: net/mptcp/sockopt.c:309:
+		ret = sk_setsockopt(ssk, SOL_SOCKET, optname, optval, optlen, false);

WARNING: line length of 85 exceeds 80 columns
#210: FILE: net/socket.c:2390:
+		err = sk_getsockopt(sock->sk, level, optname, optval, optlen, false);

total: 0 errors, 5 warnings, 0 checks, 145 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 86bc47202b82 ("net-timestamp: open gate for bpf_setsockopt/_getsockopt") 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, 5 warnings, 0 checks, 145 lines checked