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As we always iterate through the entire die_map when expanding type strings, recursively processing referenced types in type_expand_child() is not actually necessary. Furthermore, the type_string kABI rule added in commitc9083467f7("gendwarfksyms: Add a kABI rule to override type strings") can fail to override type strings for structures due to a missing kabi_get_type_string() check in this function. Fix the issue by dropping the unnecessary recursion and moving the override check to type_expand(). Note that symbol versions are otherwise unchanged with this patch. Fixes:c9083467f7("gendwarfksyms: Add a kABI rule to override type strings") Reported-by: Giuliano Procida <gprocida@google.com> Signed-off-by: Sami Tolvanen <samitolvanen@google.com> Reviewed-by: Petr Pavlu <petr.pavlu@suse.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>