WARNING: line length of 86 exceeds 80 columns
#90: FILE: tools/testing/selftests/bpf/prog_tests/token.c:1060:
+		if (sscanf(ksyms->syms[i].name, "bpf_prog_%*[^_]_%255s", name) == 1 &&

WARNING: char * array declaration might be better as static const
#99: FILE: tools/testing/selftests/bpf/prog_tests/token.c:1069:
+	const char *func_names[] = { "xdp_main", "token_ksym_subprog" };

WARNING: Missing a blank line after declarations
#100: FILE: tools/testing/selftests/bpf/prog_tests/token.c:1070:
+	const char *func_names[] = { "xdp_main", "token_ksym_subprog" };
+	LIBBPF_OPTS(bpf_object_open_opts, opts);

WARNING: line length of 92 exceeds 80 columns
#152: FILE: tools/testing/selftests/bpf/prog_tests/token.c:1264:
+		sysctl_set("/proc/sys/kernel/perf_event_paranoid", perf_paranoid_orig, "0");

WARNING: line length of 86 exceeds 80 columns
#153: FILE: tools/testing/selftests/bpf/prog_tests/token.c:1265:
+		sysctl_set("/proc/sys/kernel/kptr_restrict", kptr_restrict_orig, "0");

WARNING: line length of 101 exceeds 80 columns
#158: FILE: tools/testing/selftests/bpf/prog_tests/token.c:1270:
+			sysctl_set("/proc/sys/kernel/perf_event_paranoid", NULL, perf_paranoid_orig);

WARNING: line length of 95 exceeds 80 columns
#160: FILE: tools/testing/selftests/bpf/prog_tests/token.c:1272:
+			sysctl_set("/proc/sys/kernel/kptr_restrict", NULL, kptr_restrict_orig);

total: 0 errors, 7 warnings, 0 checks, 199 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 cf3d001bd5d3 ("selftests/bpf: verify kallsyms entries for token-loaded subprograms") 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, 199 lines checked