WARNING: line length of 81 exceeds 80 columns
#55: FILE: net/mptcp/pm_userspace.c:518:
+	if (addr_l.addr.family == AF_INET && ipv6_addr_v4mapped(&addr_r.addr6)) {

WARNING: line length of 84 exceeds 80 columns
#56: FILE: net/mptcp/pm_userspace.c:519:
+		ipv6_addr_set_v4mapped(addr_l.addr.addr.s_addr, &addr_l.addr.addr6);

WARNING: line length of 81 exceeds 80 columns
#61: FILE: net/mptcp/pm_userspace.c:522:
+	if (addr_r.family == AF_INET && ipv6_addr_v4mapped(&addr_l.addr.addr6)) {

total: 0 errors, 3 warnings, 0 checks, 60 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 d141023f1ea4 ("mptcp: change local addr type of subflow_destroy") 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, 60 lines checked