WARNING: line length of 81 exceeds 80 columns #63: FILE: net/ipv6/ioam6_iptunnel.c:151: + NL_SET_ERR_MSG(extack, "no tunnel source expected in this mode"); total: 0 errors, 1 warnings, 0 checks, 124 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 6560a2834204 ("net: ipv6: ioam6: new feature tunsrc") 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, 124 lines checked