WARNING: line length of 85 exceeds 80 columns
#28: FILE: tools/lib/bpf/libbpf.c:7355:
+	if ((def & SEC_USDT) && kernel_supports(prog->obj, FEAT_UPROBE_MULTI_LINK)) {

WARNING: line length of 91 exceeds 80 columns
#29: FILE: tools/lib/bpf/libbpf.c:7356:
+		/* for BPF_TRACE_KPROBE_MULTI, user might want to query exected_attach_type

WARNING: line length of 89 exceeds 80 columns
#30: FILE: tools/lib/bpf/libbpf.c:7357:
+		 * in prog, and expected_attach_type we set in kenrel is from opts, so we

total: 0 errors, 3 warnings, 0 checks, 31 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 1a62248fda37 ("libbpf: Fix expected_attach_type set when kernel not support") 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, 3 warnings, 0 checks, 31 lines checked