WARNING: Block comments should align the * on each line
#74: FILE: net/mptcp/mib.h:85:
+	MPTCP_MIB_MPCAPABLEDATAFALLBACK,	/* Missing DSS/MPC+data on first
+					 * established packet

WARNING: line length of 81 exceeds 80 columns
#93: FILE: net/mptcp/options.c:982:
+			MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_FALLBACKFAILED);

WARNING: line length of 85 exceeds 80 columns
#256: FILE: net/mptcp/subflow.c:548:
+						MPTCP_MIB_MPCAPABLEACTIVEFALLBACK)) {

WARNING: line length of 84 exceeds 80 columns
#281: FILE: net/mptcp/subflow.c:1864:
+		WARN_ON_ONCE(!mptcp_try_fallback(sk, MPTCP_MIB_SIMULTCONNFALLBACK));

total: 0 errors, 4 warnings, 0 checks, 210 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 71eb072ba33a ("mptcp: track fallbacks accurately via mibs") 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, 4 warnings, 0 checks, 210 lines checked