WARNING: Missing a blank line after declarations
#121: FILE: tools/testing/selftests/bpf/test_tcpnotify_user.c:149:
+	int ret = pthread_join(tid, NULL);
+	if (ret) {

total: 0 errors, 1 warnings, 0 checks, 65 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 fbfb50a7bb3a ("bpf/selftests: fix test_tcpnotify_user") 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, 65 lines checked