WARNING: line length of 85 exceeds 80 columns
#46: FILE: tools/testing/selftests/bpf/prog_tests/changes_pkt_data.c:33:
+	main_prog = bpf_object__find_program_by_name(main_data->obj, main_prog_name);

total: 0 errors, 1 warnings, 0 checks, 34 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 038789c1b659 ("bpf: changes_pkt_data: correct the 'main' error") 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, 34 lines checked