WARNING: line length of 81 exceeds 80 columns
#122: FILE: tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c:174:
+	err = bpf_xdp_attach(val.ifindex, dm_fd_redir, XDP_FLAGS_DRV_MODE, NULL);

WARNING: line length of 88 exceeds 80 columns
#138: FILE: tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c:190:
+	ASSERT_EQ(info.id, val.bpf_prog.id, "Match program id to devmap entry prog_id");

total: 0 errors, 2 warnings, 0 checks, 151 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 efba7157f3ba ("bpf: selftests: send packet to devmap redirect XDP") 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, 2 warnings, 0 checks, 151 lines checked