WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP
#45: FILE: include/linux/bpf.h:1520:
+	return -ENOTSUPP;

WARNING: ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP
#154: FILE: kernel/bpf/trampoline.c:614:
+	return -ENOTSUPP;

total: 0 errors, 2 warnings, 0 checks, 143 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 93901836f687 ("bpf: Set up update_prog scaffolding for bpf_tracing_link_lops") 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.
total: 0 errors, 2 warnings, 0 checks, 143 lines checked