WARNING: Missing a blank line after declarations
#45: FILE: tools/testing/selftests/bpf/prog_tests/rhash.c:54:
+	struct lock_thread_args *args = arg;
+	LIBBPF_OPTS(bpf_test_run_opts, topts,

CHECK: Alignment should match open parenthesis
#46: FILE: tools/testing/selftests/bpf/prog_tests/rhash.c:55:
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = &pkt_v4,

WARNING: line length of 86 exceeds 80 columns
#67: FILE: tools/testing/selftests/bpf/prog_tests/rhash.c:76:
+		err = bpf_map_lookup_elem_flags(args->map_fd, &key, &val, BPF_F_LOCK);

WARNING: line length of 83 exceeds 80 columns
#118: FILE: tools/testing/selftests/bpf/prog_tests/rhash.c:127:
+		if (!ASSERT_OK(pthread_join(thread_id[i], &ret), "pthread_join") ||

total: 0 errors, 3 warnings, 1 checks, 153 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 bc06661765fa ("selftests/bpf: Resizable hashtab BPF_F_LOCK tests") 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, 3 warnings, 1 checks, 153 lines checked