WARNING: line length of 87 exceeds 80 columns
#133: FILE: tools/lib/bpf/btf_dump.c:1308:
+			pr_warn("not enough memory for decl stack: %s\n", errstr(err));

total: 0 errors, 1 warnings, 0 checks, 105 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 7c8ab646716f ("libbpf: stringify errno in log messages in btf*.c") 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, 105 lines checked