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net: ethernet: ti: add missing of_node_put before return

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[ Upstream commit be565ec71d ]

Fix following coccicheck warning:
WARNING: Function "for_each_child_of_node"
should have of_node_put() before return.

Early exits from for_each_child_of_node should decrement the
node reference counter.

Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wang Qing
2021-12-13 01:44:36 -08:00
committed by Greg Kroah-Hartman
parent 80c81aafc9
commit 1198484164
1 changed files with 20 additions and 9 deletions
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29
drivers/net/ethernet/ti/am65-cpsw-nuss.c
View File

@@ -1724,13 +1724,14 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
if (ret < 0) {
dev_err(dev, "%pOF error reading port_id %d\n",
port_np, ret);
return ret;
goto of_node_put;
}
if (!port_id || port_id > common->port_num) {
dev_err(dev, "%pOF has invalid port_id %u %s\n",
port_np, port_id, port_np->name);
return -EINVAL;
ret = -EINVAL;
goto of_node_put;
}
port = am65_common_get_port(common, port_id);
@@ -1746,8 +1747,10 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
(AM65_CPSW_NU_FRAM_PORT_OFFSET * (port_id - 1));
port->slave.mac_sl = cpsw_sl_get("am65", dev, port->port_base);
if (IS_ERR(port->slave.mac_sl))
return PTR_ERR(port->slave.mac_sl);
if (IS_ERR(port->slave.mac_sl)) {
ret = PTR_ERR(port->slave.mac_sl);
goto of_node_put;
}
port->disabled = !of_device_is_available(port_np);
if (port->disabled)
@@ -1758,7 +1761,7 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
ret = PTR_ERR(port->slave.ifphy);
dev_err(dev, "%pOF error retrieving port phy: %d\n",
port_np, ret);
return ret;
goto of_node_put;
}
port->slave.mac_only =
@@ -1767,10 +1770,12 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
/* get phy/link info */
if (of_phy_is_fixed_link(port_np)) {
ret = of_phy_register_fixed_link(port_np);
if (ret)
return dev_err_probe(dev, ret,
if (ret) {
ret = dev_err_probe(dev, ret,
"failed to register fixed-link phy %pOF\n",
port_np);
goto of_node_put;
}
port->slave.phy_node = of_node_get(port_np);
} else {
port->slave.phy_node =
@@ -1780,14 +1785,15 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
if (!port->slave.phy_node) {
dev_err(dev,
"slave[%d] no phy found\n", port_id);
return -ENODEV;
ret = -ENODEV;
goto of_node_put;
}
ret = of_get_phy_mode(port_np, &port->slave.phy_if);
if (ret) {
dev_err(dev, "%pOF read phy-mode err %d\n",
port_np, ret);
return ret;
goto of_node_put;
}
mac_addr = of_get_mac_address(port_np);
@@ -1804,6 +1810,11 @@ static int am65_cpsw_nuss_init_slave_ports(struct am65_cpsw_common *common)
of_node_put(node);
return 0;
of_node_put:
of_node_put(port_np);
of_node_put(node);
return ret;
}
static void am65_cpsw_pcpu_stats_free(void *data)