WARNING: line length of 85 exceeds 80 columns #46: FILE: include/linux/skbuff.h:1228: + if (!IS_ENABLED(CONFIG_DEBUG_NET) && likely(refcount_read(&skb->users) == 1)) total: 0 errors, 1 warnings, 0 checks, 8 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 fdfabc0fa4c1 ("net: skbuff: Skip early return in skb_unref when debugging") 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, 8 lines checked