WARNING: line length of 86 exceeds 80 columns
#62: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1194:
+	int err, map_fd, prog_fd, main_data_fd, fentry_data_fd, fexit_data_fd, i, val;

CHECK: Alignment should match open parenthesis
#71: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1203:
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,

WARNING: line length of 93 exceeds 80 columns
#90: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1222:
+		fentry_obj = bpf_object__open_file("tailcall_bpf2bpf_hierarchy_fentry.bpf.o",

WARNING: line length of 83 exceeds 80 columns
#117: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1249:
+		prog_array = bpf_object__find_map_by_name(fentry_obj, "jmp_table");

WARNING: line length of 83 exceeds 80 columns
#156: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1288:
+		fentry_obj = bpf_object__open_file("tailcall_bpf2bpf_fentry.bpf.o",

WARNING: line length of 81 exceeds 80 columns
#180: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1312:
+		fexit_obj = bpf_object__open_file("tailcall_bpf2bpf_fexit.bpf.o",

CHECK: Alignment should match open parenthesis
#224: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1356:
+		if (!ASSERT_GE(fentry_data_fd, 0,
+				  "find tailcall_bpf2bpf_fentry.bss map fd"))

CHECK: Alignment should match open parenthesis
#241: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1373:
+		if (!ASSERT_GE(fexit_data_fd, 0,
+				  "find tailcall_bpf2bpf_fexit.bss map fd"))

WARNING: Possible repeated word: 'entry'
#291: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1423:
+ *         subprog --tailcall-> entry
+ * entry <

CHECK: Alignment should match open parenthesis
#356: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1488:
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,

CHECK: Alignment should match open parenthesis
#448: FILE: tools/testing/selftests/bpf/prog_tests/tailcalls.c:1580:
+	LIBBPF_OPTS(bpf_test_run_opts, topts,
+		.data_in = buff,

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#546: 
new file mode 100644

CHECK: Please don't use multiple blank lines
#737: FILE: tools/testing/selftests/bpf/progs/tailcall_bpf2bpf_hierarchy_fentry.c:34:
+
+

total: 0 errors, 7 warnings, 6 checks, 671 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 337316d15877 ("selftests/bpf: Add testcases for tailcall hierarchy fixing") 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, 7 warnings, 6 checks, 671 lines checked