WARNING: line length of 87 exceeds 80 columns
#37: FILE: tools/testing/selftests/net/mptcp/mptcp_join.sh:1121:
+	     { [ "$count" -lt $csum_ns1 ] && [ $allow_multi_errors_ns1 -eq 1 ]; }; then

WARNING: line length of 87 exceeds 80 columns
#52: FILE: tools/testing/selftests/net/mptcp/mptcp_join.sh:1134:
+	     { [ "$count" -lt $csum_ns2 ] && [ $allow_multi_errors_ns2 -eq 1 ]; }; then

total: 0 errors, 2 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 5f670eea66a1 ("selftests: mptcp: join: no extra msg if no counter") 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, 2 warnings, 0 checks, 60 lines checked