WARNING: line length of 82 exceeds 80 columns
#73: FILE: tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c:36:
+	err = bpf_xdp_attach(IFINDEX_LO, prog_redir_fd, XDP_FLAGS_SKB_MODE, NULL);

WARNING: line length of 81 exceeds 80 columns
#152: FILE: tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c:171:
+	err = bpf_xdp_attach(ifindex_src, cm_fd_redir, XDP_FLAGS_DRV_MODE, NULL);

WARNING: line length of 88 exceeds 80 columns
#168: FILE: tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c:187:
+	ASSERT_EQ(info.id, val.bpf_prog.id, "Match program id to cpumap entry prog_id");

WARNING: line length of 82 exceeds 80 columns
#210: FILE: tools/testing/selftests/bpf/prog_tests/xdp_cpumap_attach.c:229:
+	if (test__start_subtest("CPUMAP attach with programs in entries on veth"))

total: 0 errors, 4 warnings, 0 checks, 174 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 ed93110207e1 ("selftests/bpf: make xdp_cpumap_attach keep redirect prog attached") 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, 4 warnings, 0 checks, 174 lines checked