WARNING: line length of 81 exceeds 80 columns
#57: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:18:
+	ASSERT_ERR(err, "bpf_program__assoc_struct_ops(test_1_a, st_ops_map_a)");

WARNING: line length of 86 exceeds 80 columns
#61: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:22:
+	ASSERT_OK(err, "bpf_program__assoc_struct_ops(syscall_prog_a, st_ops_map_a)");

WARNING: line length of 88 exceeds 80 columns
#65: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:26:
+	ASSERT_OK(err, "bpf_program__assoc_struct_ops(sys_enter_prog_a, st_ops_map_a)");

WARNING: line length of 86 exceeds 80 columns
#69: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:30:
+	ASSERT_OK(err, "bpf_program__assoc_struct_ops(syscall_prog_b, st_ops_map_b)");

WARNING: line length of 88 exceeds 80 columns
#73: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:34:
+	ASSERT_OK(err, "bpf_program__assoc_struct_ops(sys_enter_prog_b, st_ops_map_b)");

WARNING: line length of 89 exceeds 80 columns
#78: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:39:
+	ASSERT_ERR(err, "bpf_program__assoc_struct_ops(sys_enter_prog_a, st_ops_map_b)");

WARNING: line length of 88 exceeds 80 columns
#94: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:55:
+	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.syscall_prog_a), NULL);

WARNING: line length of 88 exceeds 80 columns
#97: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:58:
+	err = bpf_prog_test_run_opts(bpf_program__fd(skel->progs.syscall_prog_b), NULL);

WARNING: line length of 97 exceeds 80 columns
#231: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.c:1137:
+__bpf_kfunc int bpf_kfunc_multi_st_ops_test_1_prog_arg(struct st_ops_args *args, void *aux_prog);

WARNING: externs should be avoided in .c files
#231: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.c:1137:
+__bpf_kfunc int bpf_kfunc_multi_st_ops_test_1_prog_arg(struct st_ops_args *args, void *aux_prog);

WARNING: line length of 85 exceeds 80 columns
#256: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.c:1659:
+int bpf_kfunc_multi_st_ops_test_1_prog_arg(struct st_ops_args *args, void *aux__prog)

WARNING: line length of 92 exceeds 80 columns
#262: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.c:1665:
+	st_ops = (struct bpf_testmod_multi_st_ops *)bpf_prog_get_assoc_struct_ops(prog_aux);

WARNING: line length of 93 exceeds 80 columns
#280: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod_kfunc.h:165:
+int bpf_kfunc_multi_st_ops_test_1_prog_arg(struct st_ops_args *args, void *aux__prog) __ksym;

total: 0 errors, 13 warnings, 0 checks, 224 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 0863c53fe360 ("selftests/bpf: Test BPF_PROG_ASSOC_STRUCT_OPS command") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 13 warnings, 0 checks, 224 lines checked