diff options
| author | Peter Chen <peter.chen@nxp.com> | 2016-08-01 15:02:31 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-08-01 21:43:47 -0700 |
| commit | a94efbd7cc45e7a1f7a346b233c00878e8c19deb (patch) | |
| tree | 424c9f39ef0c9f787b3a18c9728438014eae1b84 /drivers/net | |
| parent | 9c52de036bcbd07596f0fa74eac1e653b7449de3 (diff) | |
| download | linux-a94efbd7cc45e7a1f7a346b233c00878e8c19deb.tar.gz | |
ethernet: arc: emac_main: add missing of_node_put after calling of_parse_phandle
of_node_put needs to be called when the device node which is got from of_parse_phandle has finished using. Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/arc/emac_main.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c index 586bedac457d..4bff0f3040df 100644 --- a/drivers/net/ethernet/arc/emac_main.c +++ b/drivers/net/ethernet/arc/emac_main.c @@ -749,14 +749,16 @@ int arc_emac_probe(struct net_device *ndev, int interface) err = of_address_to_resource(dev->of_node, 0, &res_regs); if (err) { dev_err(dev, "failed to retrieve registers base from device tree\n"); - return -ENODEV; + err = -ENODEV; + goto out_put_node; } /* Get IRQ from device tree */ irq = irq_of_parse_and_map(dev->of_node, 0); if (!irq) { dev_err(dev, "failed to retrieve <irq> value from device tree\n"); - return -ENODEV; + err = -ENODEV; + goto out_put_node; } ndev->netdev_ops = &arc_emac_netdev_ops; @@ -778,7 +780,7 @@ int arc_emac_probe(struct net_device *ndev, int interface) err = clk_prepare_enable(priv->clk); if (err) { dev_err(dev, "failed to enable clock\n"); - return err; + goto out_put_node; } clock_frequency = clk_get_rate(priv->clk); @@ -787,7 +789,8 @@ int arc_emac_probe(struct net_device *ndev, int interface) if (of_property_read_u32(dev->of_node, "clock-frequency", &clock_frequency)) { dev_err(dev, "failed to retrieve <clock-frequency> from device tree\n"); - return -EINVAL; + err = -EINVAL; + goto out_put_node; } } @@ -867,6 +870,7 @@ int arc_emac_probe(struct net_device *ndev, int interface) goto out_netif_api; } + of_node_put(phy_node); return 0; out_netif_api: @@ -877,6 +881,9 @@ out_mdio: out_clken: if (priv->clk) clk_disable_unprepare(priv->clk); +out_put_node: + of_node_put(phy_node); + return err; } EXPORT_SYMBOL_GPL(arc_emac_probe); |