WARNING: line length of 81 exceeds 80 columns
#37: FILE: tools/testing/selftests/bpf/prog_tests/prog_update_tracing.c:10:
+				 const struct prog_update_tracing__bss *expected)

CHECK: Alignment should match open parenthesis
#41: FILE: tools/testing/selftests/bpf/prog_tests/prog_update_tracing.c:14:
+	LIBBPF_OPTS(bpf_test_run_opts, topts_skb,
+		.data_in = &pkt_v4,

total: 0 errors, 1 warnings, 1 checks, 593 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 766e0c868033 ("selftests/bpf: Test BPF_LINK_UPDATE behavior for tracing links") 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, 1 warnings, 1 checks, 593 lines checked