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net: dsa: lantiq_gswip: Fix refcount leak in gswip_gphy_fw_list

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Every iteration of for_each_available_child_of_node() decrements
the reference count of the previous node.
when breaking early from a for_each_available_child_of_node() loop,
we need to explicitly call of_node_put() on the gphy_fw_np.
Add missing of_node_put() to avoid refcount leak.

Fixes: 14fceff477 ("net: dsa: Add Lantiq / Intel DSA driver for vrx200")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220605072335.11257-1-linmq006@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-06-05 11:23:34 +04:00 committed by Jakub Kicinski
parent 91ffb08932
commit 0737e018a0
1 changed files with 3 additions and 1 deletions
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4
drivers/net/dsa/lantiq_gswip.c
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@ -2070,8 +2070,10 @@ static int gswip_gphy_fw_list(struct gswip_priv *priv,
for_each_available_child_of_node(gphy_fw_list_np, gphy_fw_np) {
err = gswip_gphy_fw_probe(priv, &priv->gphy_fw[i],
gphy_fw_np, i);
if (err)
if (err) {
of_node_put(gphy_fw_np);
goto remove_gphy;
}
i++;
}