WARNING: Prefer ARRAY_SIZE(self->fd)
#42: FILE: tools/testing/selftests/net/af_unix/scm_rights.c:175:
+	ASSERT_LE(n * 2, sizeof(self->fd) / sizeof(self->fd[0]));

total: 0 errors, 1 warnings, 0 checks, 45 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 fc82ed241bbc ("selftest: af_unix: Add test case for backtrack after finalising SCC.") 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, 45 lines checked