Commit 0be6bfac62 ("qdev: Implement variable length array properties")
added the DEFINE_PROP_ARRAY() macro with the following comment:

  * It is the responsibility of the device deinit code to free the
  * @_arrayfield memory.

Commit 68fbcc344e added:

  DEFINE_PROP_ARRAY("read-only", XlnxEFuse, ro_bits_cnt, ro_bits,
                    qdev_prop_uint32, uint32_t),

but forgot to free the 'ro_bits' array. Do it in the instance_finalize
handler.

Cc: qemu-stable@nongnu.org
Fixes: 68fbcc344e ("hw/nvram: Introduce Xilinx eFuse QOM") # v6.2.0+
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/nvram/xlnx-efuse.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/hw/nvram/xlnx-efuse.c b/hw/nvram/xlnx-efuse.c
index 655c40b8d1..f7b849f7de 100644
--- a/hw/nvram/xlnx-efuse.c
+++ b/hw/nvram/xlnx-efuse.c
@@ -224,6 +224,13 @@ static void efuse_realize(DeviceState *dev, Error **errp)
     }
 }
 
+static void efuse_finalize(Object *obj)
+{
+    XlnxEFuse *s = XLNX_EFUSE(obj);
+
+    g_free(s->ro_bits);
+}
+
 static void efuse_prop_set_drive(Object *obj, Visitor *v, const char *name,
                                  void *opaque, Error **errp)
 {
@@ -280,6 +287,7 @@ static const TypeInfo efuse_info = {
     .name          = TYPE_XLNX_EFUSE,
     .parent        = TYPE_DEVICE,
     .instance_size = sizeof(XlnxEFuse),
+    .instance_finalize = efuse_finalize,
     .class_init    = efuse_class_init,
 };
 
-- 
2.41.0