WARNING: line length of 101 exceeds 80 columns
#28: FILE: tools/testing/selftests/bpf/progs/syscall.c:80:
+			.str_off = offsetof(struct btf_blob, str) - offsetof(struct btf_blob, types),

total: 0 errors, 1 warnings, 0 checks, 12 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 05d13d9945ca ("selftest/bpf: replace magic constants by macros") 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, 12 lines checked