WARNING: line length of 81 exceeds 80 columns
#67: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:28:
+	err = bpf_struct_ops_associate_prog(map_a_fd, sys_enter_prog_a_fd, NULL);

WARNING: line length of 81 exceeds 80 columns
#75: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:36:
+	err = bpf_struct_ops_associate_prog(map_b_fd, sys_enter_prog_b_fd, NULL);

WARNING: line length of 81 exceeds 80 columns
#80: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_assoc.c:41:
+	err = bpf_struct_ops_associate_prog(map_b_fd, sys_enter_prog_a_fd, NULL);

WARNING: line length of 97 exceeds 80 columns
#235: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.c:1111:
+__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
#235: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.c:1111:
+__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
#260: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.c:1633:
+int bpf_kfunc_multi_st_ops_test_1_prog_arg(struct st_ops_args *args, void *aux__prog)

WARNING: line length of 93 exceeds 80 columns
#284: 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, 7 warnings, 0 checks, 228 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 52e60b686755 ("selftests/bpf: Test BPF_STRUCT_OPS_ASSOCIATE_PROG 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, 7 warnings, 0 checks, 228 lines checked