CHECK: Macro argument 'offset' may be better as '(offset)' to avoid precedence issues
#36: FILE: tools/net/ynl/lib/ynl-priv.h:216:
+#define ynl_attr_for_each_nested_off(attr, outer, offset)		\
 	for ((attr) = ynl_attr_first(outer, outer->nla_len,		\
+				     sizeof(struct nlattr) + offset);	\
+	     attr;							\
 	     (attr) = ynl_attr_next(ynl_attr_data_end(outer), attr))

total: 0 errors, 0 warnings, 1 checks, 105 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 6294470a6d8d ("tools: ynl-gen: support weird sub-message formats") 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, 0 warnings, 1 checks, 105 lines checked