CHECK: struct mutex definition without comment #447: FILE: drivers/net/dsa/vitesse-vsc73xx.h:61: + struct mutex fdb_lock; total: 0 errors, 0 warnings, 1 checks, 411 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 e919d159f832 ("net: dsa: vsc73xx: implement FDB operations") 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, 0 warnings, 1 checks, 411 lines checked