WARNING: line length of 83 exceeds 80 columns
#50: FILE: include/linux/rtnetlink.h:100:
+int rtnl_net_lock_cmp_fn(const struct lockdep_map *a, const struct lockdep_map *b);

WARNING: line length of 82 exceeds 80 columns
#179: FILE: net/core/rtnetlink.c:229:
+int rtnl_net_lock_cmp_fn(const struct lockdep_map *a, const struct lockdep_map *b)

total: 0 errors, 2 warnings, 0 checks, 131 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 c1a0d76242c7 ("rtnetlink: Add per-netns RTNL.") 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, 131 lines checked