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net: dsa: Add missing of_node_put() in dsa_port_parse_of

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[ Upstream commit cb0b430b4e3acc88c85e0ad2e25f2a25a5765262 ]

The device_node pointer is returned by of_parse_phandle()  with refcount
incremented. We should use of_node_put() on it when done.

Fixes: 6d4e5c570c ("net: dsa: get port type at parse time")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220316082602.10785-1-linmq006@gmail.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Miaoqian Lin 2022-03-16 08:26:02 +00:00 committed by Greg Kroah-Hartman
parent a630ad5e8b
commit ba50073cf4
1 changed files with 1 additions and 0 deletions
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net/dsa/dsa2.c
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@ -766,6 +766,7 @@ static int dsa_port_parse_of(struct dsa_port *dp, struct device_node *dn)
struct net_device *master;
master = of_find_net_device_by_node(ethernet);
of_node_put(ethernet);
if (!master)
return -EPROBE_DEFER;