WARNING: line length of 81 exceeds 80 columns
#70: FILE: tools/testing/selftests/bpf/bpf_testmod/bpf_testmod_kfunc.h:148:
+struct task_struct *bpf_get_untrusted_task_test(struct task_struct *task) __ksym;

WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?
#74: 
new file mode 100644

CHECK: Comparison to NULL could be written "!trusted_task"
#136: FILE: tools/testing/selftests/bpf/progs/kfunc_obtain.c:42:
+	if (trusted_task == NULL)

CHECK: Comparison to NULL could be written "!trusted_task"
#158: FILE: tools/testing/selftests/bpf/progs/kfunc_obtain.c:64:
+	if (trusted_task == NULL)

total: 0 errors, 2 warnings, 2 checks, 115 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 5d706c0a5c4b ("selftests/bpf: Add tests for KF_OBTAIN kfunc") 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, 2 warnings, 2 checks, 115 lines checked