WARNING: line length of 93 exceeds 80 columns
#44: FILE: include/linux/bpf.h:796:
+				 | DYNPTR_TYPE_XDP | DYNPTR_TYPE_SKB_META | DYNPTR_TYPE_FILE)

WARNING: line length of 98 exceeds 80 columns
#65: FILE: kernel/bpf/helpers.c:4202:
+__bpf_kfunc int bpf_dynptr_from_file(struct file *file, u32 flags, struct bpf_dynptr *ptr__uninit)

WARNING: line length of 98 exceeds 80 columns
#153: FILE: kernel/bpf/verifier.c:13304:
+			} else if (meta->func_id == special_kfunc_list[KF_bpf_dynptr_from_file]) {

WARNING: line length of 101 exceeds 80 columns
#155: FILE: kernel/bpf/verifier.c:13306:
+			} else if (meta->func_id == special_kfunc_list[KF_bpf_dynptr_file_discard]) {

total: 0 errors, 4 warnings, 0 checks, 120 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 c35e54fa9eef ("bpf: add plumbing for file-backed dynptr") 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, 120 lines checked