CHECK: Alignment should match open parenthesis
#45: FILE: tools/lib/bpf/libbpf.c:8464:
+static int libbpf_kallsyms_parse(kallsyms_cb_t cb, void *ctx,
+				bool skip_if_module)

WARNING: line length of 83 exceeds 80 columns
#120: FILE: tools/lib/bpf/libbpf.c:11554:
+		return append_to_file(tracefs_kprobe_events(), "%c:%s/%s %s+0x%zx",

CHECK: Blank lines aren't necessary after an open brace '{'
#173: FILE: tools/lib/bpf/libbpf.c:11702:
+	if (strcmp(sym_name, data->func_name) == 0) {
+

WARNING: line length of 95 exceeds 80 columns
#222: FILE: tools/lib/bpf/libbpf.c:11781:
+		pfd = perf_event_kprobe_open_legacy(legacy_probe, retprobe, optional_func_name,

WARNING: line length of 98 exceeds 80 columns
#239: FILE: tools/lib/bpf/libbpf.c:11799:
+		if ((err == -EADDRNOTAVAIL || (legacy && err == -EINVAL)) && optional_func_name) {

WARNING: line length of 85 exceeds 80 columns
#256: FILE: tools/lib/bpf/libbpf.c:11816:
+			err = libbpf_kallsyms_parse(find_kaddr_cb, &kaddr_ctx, true);

total: 0 errors, 4 warnings, 2 checks, 239 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 44a739d1a6ed ("libbpf: Handle duplicate kprobe symbols in attach_kprobe_opts") 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, 4 warnings, 2 checks, 239 lines checked