WARNING: line length of 81 exceeds 80 columns
#59: FILE: net/mptcp/protocol.h:995:
+void mptcp_pm_subflows_chk_stale(const struct mptcp_sock *msk, struct sock *ssk);

total: 0 errors, 1 warnings, 0 checks, 24 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 246f60b91c57 ("mptcp: pm: remove '_nl' from mptcp_pm_nl_subflow_chk_stale()") 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, 24 lines checked