WARNING: line length of 81 exceeds 80 columns
#57: FILE: tools/testing/selftests/bpf/benchs/bench_xdp_traits.c:66:
+		key = syscall(__NR_bpf, BPF_REGISTER_TRAIT, &attr, sizeof(attr));

WARNING: line length of 83 exceeds 80 columns
#79: FILE: tools/testing/selftests/bpf/benchs/bench_xdp_traits.c:100:
+		err = syscall(__NR_bpf, BPF_UNREGISTER_TRAIT, &attr, sizeof(attr));

WARNING: line length of 86 exceeds 80 columns
#81: FILE: tools/testing/selftests/bpf/benchs/bench_xdp_traits.c:102:
+			fprintf(stderr, "couldn't unregister trait %d: %d\n", i, err);

WARNING: line length of 81 exceeds 80 columns
#128: FILE: tools/testing/selftests/bpf/prog_tests/xdp_traits.c:16:
+		key = syscall(__NR_bpf, BPF_REGISTER_TRAIT, &attr, sizeof(attr));

WARNING: line length of 83 exceeds 80 columns
#143: FILE: tools/testing/selftests/bpf/prog_tests/xdp_traits.c:42:
+		err = syscall(__NR_bpf, BPF_UNREGISTER_TRAIT, &attr, sizeof(attr));

total: 0 errors, 5 warnings, 0 checks, 107 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 9f1fac63a50d ("trait: register traits in benchmarks and tests") 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, 5 warnings, 0 checks, 107 lines checked