CHECK: Please don't use multiple blank lines
#71: FILE: tools/testing/selftests/bpf/bpf_util.h:70:
+
+

total: 0 errors, 0 warnings, 1 checks, 191 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 3581c618c282 ("selftests/bpf: Clean up open-coded gettid syscall invocations") 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, 191 lines checked