WARNING: line length of 85 exceeds 80 columns
#111: FILE: tools/testing/selftests/bpf/prog_tests/tc_links.c:1830:
+	ASSERT_OK(system("ip link add dev foo type veth peer name bar"), "add veth");

WARNING: line length of 96 exceeds 80 columns
#117: FILE: tools/testing/selftests/bpf/prog_tests/tc_links.c:1836:
+	ASSERT_OK(system("tc filter add block 1 matchall action skbmod swap mac"), "add block");

WARNING: line length of 105 exceeds 80 columns
#125: FILE: tools/testing/selftests/bpf/prog_tests/tc_links.c:1844:
+	ASSERT_OK(system("tc filter add dev foo ingress matchall action skbmod swap mac"), "add filter");

total: 0 errors, 3 warnings, 0 checks, 85 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 fa9deab4f92e ("selftests/bpf: Extend tcx tests to cover late tcx_entry release") 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, 3 warnings, 0 checks, 85 lines checked