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net: stmmac: dwmac-sun8i: add missing of_node_put() in sun8i_dwmac_register_mdio_mux()

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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: 634db83b82 ("net: stmmac: dwmac-sun8i: Handle integrated/external MDIOs")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220428095716.540452-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Yang Yingliang 2022-04-28 17:57:16 +08:00 committed by Greg Kroah-Hartman
parent 2347e9c922
commit 4eee980950
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c
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@ -895,6 +895,7 @@ static int sun8i_dwmac_register_mdio_mux(struct stmmac_priv *priv)
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;
}