WARNING: line length of 81 exceeds 80 columns
#36: FILE: tools/lib/bpf/libbpf_probes.c:155:
+		attach_prog_fd = bpf_prog_load(BPF_PROG_TYPE_SOCKET_FILTER, NULL,

WARNING: line length of 108 exceeds 80 columns
#44: FILE: tools/lib/bpf/libbpf_probes.c:162:
+		exp_msg = "FENTRY/FEXIT program can only be attached to another program annotated with BTF";

total: 0 errors, 2 warnings, 0 checks, 33 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 6f98cb59c8ad ("libbpf: provide a valid attach_prog_fd before probing BPF_PROG_TYPE_EXT type") 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, 2 warnings, 0 checks, 33 lines checked