WARNING: line length of 90 exceeds 80 columns
#37: FILE: kernel/bpf/helpers.c:2651:
+__bpf_kfunc bool bpf_list_is_first(struct bpf_list_head *head, struct bpf_list_node *node)

WARNING: line length of 89 exceeds 80 columns
#48: FILE: kernel/bpf/helpers.c:2662:
+__bpf_kfunc bool bpf_list_is_last(struct bpf_list_head *head, struct bpf_list_node *node)

WARNING: line length of 81 exceeds 80 columns
#127: FILE: kernel/bpf/verifier.c:11476:
+		      kfunc_btf_id == special_kfunc_list[KF_bpf_list_is_first] ||

total: 0 errors, 3 warnings, 0 checks, 89 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 7c83bcb712da ("bpf: add bpf_list_is_first/last/empty kfuncs") 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, 89 lines checked