WARNING: line length of 98 exceeds 80 columns
#39: FILE: tools/lib/bpf/usdt.bpf.h:113:
+int __bpf_usdt_arg_spec(struct pt_regs *ctx, __u64 arg_num, struct __bpf_usdt_arg_spec **arg_spec)

total: 0 errors, 1 warnings, 0 checks, 73 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 618681b0ebb2 ("libbpf: implement bpf_usdt_arg_size BPF function") 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, 1 warnings, 0 checks, 73 lines checked