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00829ae384
When specifying lbr_fmt=VALUE in cpu options with an invalid VALUE, error_setg() gets triggered twice, causing an assertion failure in error_setv() which requires *errp to be NULL, preventing meaningful error messages from being displayed.
Fix this by checking visit_type_uint64()'s return value and returning early on failure, consistent with other property setters like set_string().
Fixes: 18c22d7112 (qdev-properties: Add a new macro with bitmask check for uint64_t property)
Cc: qemu-stable@nongnu.org
Signed-off-by: Zesen Liu <ftyghome@gmail.com>
Message-ID: <20251217-qdev-fix-v1-1-bd33ea463220@gmail.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[Add Fixes: and Cc:]
Signed-off-by: Markus Armbruster <armbru@redhat.com>