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mii_fdt: fix a set-but-not-used warning
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@ -257,13 +257,11 @@ static int
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miibus_fdt_attach(device_t dev)
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{
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struct mii_attach_args *ma;
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struct mii_data *sc;
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int i, error, nchildren;
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device_t parent, *children;
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phandle_t phy_node;
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parent = device_get_parent(dev);
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sc = device_get_softc(dev);
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error = device_get_children(dev, &children, &nchildren);
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if (error != 0 || nchildren == 0)
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