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authorMiaoqian Lin <linmq006@gmail.com>2022-04-20 19:04:08 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-09 09:14:34 +0200
commit9cc897ca03df52a2fec8632b40d45862fa75d69e (patch)
tree0007a4e917689658d1ae388c52a67640a1999600 /net
parent72e7940b00b5a0f8d53747fd6c52a53afddd6728 (diff)
net: dsa: Add missing of_node_put() in dsa_port_link_register_of
[ Upstream commit fc06b2867f4cea543505acfb194c2be4ebf0c7d3 ] The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. of_node_put() will check for NULL value. Fixes: a20f997010c4 ("net: dsa: Don't instantiate phylink for CPU/DSA ports unless needed") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/dsa/port.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/dsa/port.c b/net/dsa/port.c
index 616330a16d31..63e88de96393 100644
--- a/net/dsa/port.c
+++ b/net/dsa/port.c
@@ -1201,8 +1201,10 @@ int dsa_port_link_register_of(struct dsa_port *dp)
if (ds->ops->phylink_mac_link_down)
ds->ops->phylink_mac_link_down(ds, port,
MLO_AN_FIXED, PHY_INTERFACE_MODE_NA);
+ of_node_put(phy_np);
return dsa_port_phylink_register(dp);
}
+ of_node_put(phy_np);
return 0;
}