[PATCH 5.10 47/70] net: stmmac: dwmac-sun8i: add missing of_node_put() in sun8i_dwmac_register_mdio_mux()

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From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

commit 1a15267b7be77e0792cf0c7b36ca65c8eb2df0d8 upstream.

The node pointer returned by of_get_child_by_name() with refcount incremented,
so add of_node_put() after using it.

Fixes: 634db83b8265 ("net: stmmac: dwmac-sun8i: Handle integrated/external MDIOs")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20220428095716.540452-1-yangyingliang@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
@@ -895,6 +895,7 @@ static int sun8i_dwmac_register_mdio_mux
 
 	ret = mdio_mux_init(priv->device, mdio_mux, mdio_mux_syscon_switch_fn,
 			    &gmac->mux_handle, priv, priv->mii);
+	of_node_put(mdio_mux);
 	return ret;
 }
 





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