WARNING: line length of 88 exceeds 80 columns
#39: FILE: kernel/bpf/helpers.c:3123:
+				    int (callback_fn)(void *map, int *key, void *value),

WARNING: line length of 98 exceeds 80 columns
#50: FILE: kernel/bpf/helpers.c:3132:
+	return __bpf_async_set_callback(async, callback_fn, aux__magic, flags, BPF_ASYNC_TYPE_WQ);

WARNING: line length of 91 exceeds 80 columns
#81: FILE: kernel/bpf/verifier.c:557:
+	    (is_bpf_wq_set_callback_kfunc(insn->imm) || is_task_work_add_kfunc(insn->imm)))

total: 0 errors, 3 warnings, 0 checks, 133 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 b2c5b0ad3276 ("bpf: Re-define bpf_wq_set_callback as magic kfunc") 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, 133 lines checked