WARNING: struct ctl_table should normally be const
#61: FILE: net/mptcp/ctrl.c:260:
+	struct ctl_table tbl = { .maxlen = MPTCP_PM_BUF_MAX, };

total: 0 errors, 1 warnings, 0 checks, 90 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 8115d5c546bf ("mptcp: sysctl: add available_path_managers") 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, 90 lines checked