WARNING: line length of 96 exceeds 80 columns
#96: FILE: kernel/bpf/helpers.c:1735:
+static int bpf_file_fetch_bytes(struct bpf_dynptr_file_impl *df, u64 offset, void *buf, u64 len)

WARNING: line length of 88 exceeds 80 columns
#132: FILE: kernel/bpf/helpers.c:2775:
+		err = bpf_file_fetch_bytes(ptr->data, offset, buffer__opt, buffer__szk);

WARNING: line length of 83 exceeds 80 columns
#162: FILE: kernel/bpf/helpers.c:4321:
+	state = bpf_mem_alloc(&bpf_global_ma, sizeof(struct bpf_dynptr_file_impl));

WARNING: line length of 84 exceeds 80 columns
#168: FILE: kernel/bpf/helpers.c:4327:
+	state->size = U64_MAX; /* Don't restrict size, as file may change anyways */

WARNING: line length of 98 exceeds 80 columns
#175: FILE: kernel/bpf/helpers.c:4334:
+__bpf_kfunc int bpf_dynptr_from_file(struct file *file, u32 flags, struct bpf_dynptr *ptr__uninit)

WARNING: line length of 91 exceeds 80 columns
#177: FILE: kernel/bpf/helpers.c:4336:
+	return make_file_dynptr(file, flags, false, (struct bpf_dynptr_kern *)ptr__uninit);

total: 0 errors, 6 warnings, 0 checks, 152 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 9a95ff394cab ("bpf: add kfuncs and helpers support for file dynptrs") 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, 6 warnings, 0 checks, 152 lines checked