WARNING: line length of 88 exceeds 80 columns
#52: FILE: tools/lib/bpf/libbpf.c:13463:
+						 const struct bpf_struct_ops_opts *opts)

ERROR: space prohibited before that ':' (ctx:WxV)
#105: FILE: tools/lib/bpf/libbpf.h:930:
+	size_t :0;
 	       ^

CHECK: Please use a blank line after function/struct/union/enum declarations
#107: FILE: tools/lib/bpf/libbpf.h:932:
+};
+#define bpf_struct_ops_opts__last_field expected_revision

total: 1 errors, 1 warnings, 1 checks, 81 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 9e963c250603 ("libbpf: introduce bpf_map__attach_struct_ops_opts()") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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.