WARNING: line length of 88 exceeds 80 columns
#72: FILE: tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.h:42:
+	struct task_struct *(*test_return_ref_kptr)(int dummy, struct task_struct *task,

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#78: 
new file mode 100644

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#83: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_kptr_return.c:1:
+#include <test_progs.h>

WARNING: line length of 86 exceeds 80 columns
#113: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_kptr_return.c:31:
+	if (ASSERT_ERR_PTR(skel, "struct_ops_module_fail__wrong_type__open_and_load"))

WARNING: line length of 90 exceeds 80 columns
#125: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_kptr_return.c:43:
+	if (ASSERT_ERR_PTR(skel, "struct_ops_module_fail__invalid_scalar__open_and_load"))

WARNING: line length of 85 exceeds 80 columns
#131: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_kptr_return.c:49:
+/* Test that the verifier rejects a program that returns kptr with non-zero offset */

WARNING: line length of 90 exceeds 80 columns
#137: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_kptr_return.c:55:
+	if (ASSERT_ERR_PTR(skel, "struct_ops_module_fail__nonzero_offset__open_and_load"))

WARNING: line length of 86 exceeds 80 columns
#149: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_kptr_return.c:67:
+	if (ASSERT_ERR_PTR(skel, "struct_ops_module_fail__local_kptr__open_and_load"))

CHECK: Please don't use multiple blank lines
#169: FILE: tools/testing/selftests/bpf/prog_tests/test_struct_ops_kptr_return.c:87:
+
+

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#176: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return.c:1:
+#include <vmlinux.h>

WARNING: line length of 83 exceeds 80 columns
#184: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return.c:9:
+/* This test struct_ops BPF programs returning referenced kptr. The verifier should

WARNING: line length of 86 exceeds 80 columns
#185: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return.c:10:
+ * allow a referenced kptr or a NULL pointer to be returned. A referenced kptr to task

CHECK: Please don't use multiple blank lines
#204: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return.c:29:
+
+

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#211: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return_fail__invalid_scalar.c:1:
+#include <vmlinux.h>

WARNING: line length of 83 exceeds 80 columns
#220: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return_fail__invalid_scalar.c:10:
+/* This test struct_ops BPF programs returning referenced kptr. The verifier should

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#241: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return_fail__local_kptr.c:1:
+#include <vmlinux.h>

WARNING: line length of 83 exceeds 80 columns
#251: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return_fail__local_kptr.c:11:
+/* This test struct_ops BPF programs returning referenced kptr. The verifier should

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#277: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return_fail__nonzero_offset.c:1:
+#include <vmlinux.h>

WARNING: line length of 83 exceeds 80 columns
#286: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return_fail__nonzero_offset.c:10:
+/* This test struct_ops BPF programs returning referenced kptr. The verifier should

WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
#306: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return_fail__wrong_type.c:1:
+#include <vmlinux.h>

WARNING: line length of 83 exceeds 80 columns
#315: FILE: tools/testing/selftests/bpf/progs/struct_ops_kptr_return_fail__wrong_type.c:10:
+/* This test struct_ops BPF programs returning referenced kptr. The verifier should

WARNING: From:/Signed-off-by: email address mismatch: 'From: Amery Hung <ameryhung@gmail.com>' != 'Signed-off-by: Amery Hung <amery.hung@bytedance.com>'

total: 0 errors, 20 warnings, 2 checks, 256 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 99577e188b5d ("selftests/bpf: Test returning referenced kptr from struct_ops programs") 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, 20 warnings, 2 checks, 256 lines checked