WARNING: line length of 82 exceeds 80 columns
#45: FILE: tools/lib/bpf/libbpf.h:1700:
+				      int kfunc_id, int btf_fd, const void *opts);

WARNING: line length of 82 exceeds 80 columns
#67: FILE: tools/lib/bpf/libbpf_probes.c:436:
+int libbpf_probe_bpf_kfunc(enum bpf_prog_type prog_type, int kfunc_id, int btf_fd,

WARNING: line length of 88 exceeds 80 columns
#71: FILE: tools/lib/bpf/libbpf_probes.c:440:
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 1, kfunc_id),

WARNING: line length of 88 exceeds 80 columns
#95: FILE: tools/lib/bpf/libbpf_probes.c:464:
+	ret = probe_prog_load(prog_type, insns, insn_cnt, btf_fd >= 0 ? fd_array : NULL,

WARNING: line length of 83 exceeds 80 columns
#104: FILE: tools/lib/bpf/libbpf_probes.c:473:
+	 * invalid in module btf, it will emit "invalid module BTF fd specified" or

WARNING: line length of 87 exceeds 80 columns
#107: FILE: tools/lib/bpf/libbpf_probes.c:476:
+	if (ret == 0 && (strstr(buf, "not allowed") || strstr(buf, "not a function") ||

CHECK: Alignment should match open parenthesis
#108: FILE: tools/lib/bpf/libbpf_probes.c:477:
+	if (ret == 0 && (strstr(buf, "not allowed") || strstr(buf, "not a function") ||
+			(strstr(buf, "invalid module BTF fd")) ||

total: 0 errors, 6 warnings, 1 checks, 84 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 00cc538e96e3 ("libbpf: Add libbpf_probe_bpf_kfunc API") 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, 6 warnings, 1 checks, 84 lines checked