WARNING: line length of 84 exceeds 80 columns
#52: FILE: net/mptcp/subflow.c:1348:
+			     status == MAPPING_BAD_CSUM || status == MAPPING_NODSS))

total: 0 errors, 1 warnings, 0 checks, 37 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 f26782197c9f ("mptcp: use "middlebox interference" RST when no DSS") 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, 1 warnings, 0 checks, 37 lines checked