CHECK: Please don't use multiple blank lines #108: FILE: tools/testing/selftests/bpf/progs/bpf_tracing_net.h:18: + + total: 0 errors, 0 warnings, 1 checks, 75 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 31eb140e1df5 ("selftests/bpf: move common TCP helpers into bpf_tracing_net.h") 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, 0 warnings, 1 checks, 75 lines checked