CHECK: multiple assignments should be avoided
#94: FILE: tools/testing/selftests/bpf/progs/iters_css.c:45:
+	pre_order_cnt = post_order_cnt = children_cnt = tree_high = 0;

total: 0 errors, 0 warnings, 1 checks, 71 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 af4e2a4a7102 ("bpf/selftests: cover BPF_CGROUP_ITER_CHILDREN_ONLY control option") 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, 71 lines checked