WARNING: line length of 87 exceeds 80 columns
#33: FILE: tools/lib/bpf/libbpf.h:1799:
+LIBBPF_API struct bpf_linker *bpf_linker__new_fd(int fd, struct bpf_linker_opts *opts);

WARNING: line length of 87 exceeds 80 columns
#39: FILE: tools/lib/bpf/libbpf.h:1805:
+LIBBPF_API int bpf_linker__add_buf(struct bpf_linker *linker, void *buf, size_t buf_sz,

WARNING: line length of 83 exceeds 80 columns
#208: FILE: tools/lib/bpf/linker.c:532:
+		pr_warn("failed to open file '%s': %s\n", filename, errstr(errno));

WARNING: line length of 86 exceeds 80 columns
#257: FILE: tools/lib/bpf/linker.c:581:
+		pr_warn("failed to create memfd '%s': %s\n", filename, errstr(errno));

WARNING: line length of 87 exceeds 80 columns
#265: FILE: tools/lib/bpf/linker.c:589:
+			pr_warn("failed to write '%s': %s\n", filename, errstr(errno));

total: 0 errors, 5 warnings, 0 checks, 246 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 46f92d4f19e1 ("libbpf: Extend linker API to support in-memory ELF files") 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, 5 warnings, 0 checks, 246 lines checked