WARNING: line length of 85 exceeds 80 columns
#32: FILE: include/linux/bpf.h:1326:
+int bpf_dynptr_check_off_len(const struct bpf_dynptr_kern *ptr, u32 offset, u32 len);

WARNING: line length of 123 exceeds 80 columns
#46: FILE: include/uapi/linux/bpf.h:5809:
+ * long bpf_probe_read_kernel_dynptr(const struct bpf_dynptr *dst, u32 offset, u32 size, const void *unsafe_ptr, u64 flags)

WARNING: line length of 81 exceeds 80 columns
#54: FILE: include/uapi/linux/bpf.h:5817:
+ *		**-E2BIG** if *offset* + *len* exceeds the length of *src*'s data

WARNING: line length of 81 exceeds 80 columns
#56: FILE: include/uapi/linux/bpf.h:5819:
+ *		**-EINVAL** if *src* is an invalid dynptr or doesn't support this

WARNING: line length of 84 exceeds 80 columns
#89: FILE: kernel/bpf/helpers.c:1717:
+int bpf_dynptr_check_off_len(const struct bpf_dynptr_kern *ptr, u32 offset, u32 len)

CHECK: Alignment should match open parenthesis
#120: FILE: kernel/trace/bpf_trace.c:252:
+BPF_CALL_5(bpf_probe_read_kernel_dynptr, const struct bpf_dynptr_kern *, dst,
+	u32, offset, u32, size, void *, unsafe_ptr, u64, flags)

WARNING: line length of 85 exceeds 80 columns
#139: FILE: kernel/trace/bpf_trace.c:271:
+		return bpf_probe_read_kernel_common(dst->data + dst->offset + offset,

total: 0 errors, 6 warnings, 1 checks, 116 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 087cf69a0b71 ("bpf: Implement bpf_probe_read_kernel_dynptr helper") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE 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, 1 checks, 116 lines checked