WARNING: line length of 90 exceeds 80 columns
#38: FILE: tools/lib/bpf/bpf.c:885:
+		attr.link_create.struct_ops.cookie = OPTS_GET(opts, struct_ops.cookie, 0);

WARNING: line length of 88 exceeds 80 columns
#71: FILE: tools/lib/bpf/libbpf.c:13117:
+						 const struct bpf_struct_ops_opts *opts)

ERROR: space prohibited before that ':' (ctx:WxV)
#107: FILE: tools/lib/bpf/libbpf.h:901:
+	size_t :0;
 	       ^

CHECK: Please use a blank line after function/struct/union/enum declarations
#109: FILE: tools/lib/bpf/libbpf.h:903:
+};
+#define bpf_struct_ops_opts__last_field cookie

WARNING: line length of 86 exceeds 80 columns
#111: FILE: tools/lib/bpf/libbpf.h:905:
+LIBBPF_API struct bpf_link *bpf_map__attach_struct_ops_opts(const struct bpf_map *map,

WARNING: line length of 100 exceeds 80 columns
#112: FILE: tools/lib/bpf/libbpf.h:906:
+							    const struct bpf_struct_ops_opts* opts);

ERROR: "foo* bar" should be "foo *bar"
#112: FILE: tools/lib/bpf/libbpf.h:906:
+							    const struct bpf_struct_ops_opts* opts);

total: 2 errors, 4 warnings, 1 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 fea69d6a2765 ("libbpf: Support link-based struct_ops attach with options") 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.