WARNING: line length of 121 exceeds 80 columns
#31: FILE: include/uapi/linux/bpf.h:5824:
+ * long bpf_probe_read_user_dynptr(const struct bpf_dynptr *dst, u32 offset, u32 size, const void *unsafe_ptr, u64 flags)

WARNING: line length of 81 exceeds 80 columns
#39: FILE: include/uapi/linux/bpf.h:5832:
+ *		**-E2BIG** if *offset* + *len* exceeds the length of *src*'s data

WARNING: line length of 81 exceeds 80 columns
#41: FILE: include/uapi/linux/bpf.h:5834:
+ *		**-EINVAL** if *src* is an invalid dynptr or doesn't support this

CHECK: Alignment should match open parenthesis
#86: FILE: kernel/trace/bpf_trace.c:185:
+static int bpf_probe_read_check_dynptr(const struct bpf_dynptr_kern *dst,
+	u32 offset, u32 size, u64 flags)

CHECK: Alignment should match open parenthesis
#123: FILE: kernel/trace/bpf_trace.c:230:
+BPF_CALL_5(bpf_probe_read_user_dynptr, const struct bpf_dynptr_kern *, dst,
+	u32, offset, u32, size, void *, unsafe_ptr, u64, flags)

WARNING: line length of 82 exceeds 80 columns
#127: FILE: kernel/trace/bpf_trace.c:234:
+	return ret ?: bpf_probe_read_user_common(dst->data + dst->offset + offset,

WARNING: line length of 84 exceeds 80 columns
#168: FILE: kernel/trace/bpf_trace.c:306:
+	return ret ?: bpf_probe_read_kernel_common(dst->data + dst->offset + offset,

total: 0 errors, 5 warnings, 2 checks, 139 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 0b62cc1764be ("bpf: Implement bpf_probe_read_user_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, 5 warnings, 2 checks, 139 lines checked