WARNING: line length of 88 exceeds 80 columns #134: FILE: net/core/sock.c:617: + old_dst = unrcu_pointer(xchg(&sk->sk_dst_cache, RCU_INITIALIZER(NULL))); total: 0 errors, 1 warnings, 0 checks, 17 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 d97eccda1ef1 ("net: fix double dst_release() on sk_dst_cache race") has style problems, please review. NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 17 lines checked