WARNING: line length of 90 exceeds 80 columns
#25: FILE: kernel/bpf/helpers.c:4366:
+BTF_ID_FLAGS(func, bpf_iter_wakeup_source_next, KF_ITER_NEXT | KF_RET_NULL | KF_SLEEPABLE)

WARNING: line length of 82 exceeds 80 columns
#26: FILE: kernel/bpf/helpers.c:4367:
+BTF_ID_FLAGS(func, bpf_iter_wakeup_source_destroy, KF_ITER_DESTROY | KF_SLEEPABLE)

WARNING: line length of 96 exceeds 80 columns
#53: FILE: kernel/bpf/wakeup_source_iter.c:108:
+__bpf_kfunc struct wakeup_source *bpf_iter_wakeup_source_next(struct bpf_iter_wakeup_source *it)

WARNING: line length of 82 exceeds 80 columns
#65: FILE: kernel/bpf/wakeup_source_iter.c:120:
+__bpf_kfunc void bpf_iter_wakeup_source_destroy(struct bpf_iter_wakeup_source *it)

total: 0 errors, 4 warnings, 0 checks, 49 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 2ad5109bfbfb ("bpf: Open coded BPF for wakeup_sources") 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, 4 warnings, 0 checks, 49 lines checked