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

WARNING: line length of 82 exceeds 80 columns
#69: FILE: tools/lib/bpf/libbpf_probes.c:434:
+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
#73: FILE: tools/lib/bpf/libbpf_probes.c:438:
+		BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, BPF_PSEUDO_KFUNC_CALL, 1, kfunc_id),

WARNING: line length of 88 exceeds 80 columns
#94: FILE: tools/lib/bpf/libbpf_probes.c:459:
+	ret = probe_prog_load(prog_type, insns, insn_cnt, btf_fd >= 0 ? fd_array : NULL,

WARNING: line length of 83 exceeds 80 columns
#106: FILE: tools/lib/bpf/libbpf_probes.c:471:
+	 * invalid in module BTF, it will emit "invalid module BTF fd specified" or

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

total: 0 errors, 5 warnings, 1 checks, 87 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 4224bfd6aa19 ("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, 5 warnings, 1 checks, 87 lines checked