WARNING: line length of 82 exceeds 80 columns
#79: FILE: tools/testing/selftests/bpf/progs/struct_ops_multi_args.c:23:
+	/* ctx[2] is used because the refcounted variable is the third argument */

WARNING: line length of 96 exceeds 80 columns
#100: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.c:1414:
+static int bpf_testmod_ops__test_refcounted_multi(int dummy, struct task_struct *task__nullable,

WARNING: line length of 86 exceeds 80 columns
#125: FILE: tools/testing/selftests/bpf/test_kmods/bpf_testmod.h:42:
+	/* Used to test checking of __ref arguments when it not the first argument. */

total: 0 errors, 3 warnings, 0 checks, 72 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 a44fd12b3a62 ("selftests/bpf: Add test for struct_ops __ref argument in any position") 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, 3 warnings, 0 checks, 72 lines checked