diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/fman/fman_port.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/fman/fman_port.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c index 495190764155..b7295f21aa58 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.c +++ b/drivers/net/ethernet/freescale/fman/fman_port.c @@ -1744,6 +1744,7 @@ static int fman_port_probe(struct platform_device *of_dev) struct fman_port *port; struct fman *fman; struct device_node *fm_node, *port_node; + struct platform_device *fm_pdev; struct resource res; struct resource *dev_res; u32 val; @@ -1768,19 +1769,25 @@ static int fman_port_probe(struct platform_device *of_dev) goto return_err; } - fman = dev_get_drvdata(&of_find_device_by_node(fm_node)->dev); + fm_pdev = of_find_device_by_node(fm_node); of_node_put(fm_node); - if (!fman) { + if (!fm_pdev) { err = -EINVAL; goto return_err; } + fman = dev_get_drvdata(&fm_pdev->dev); + if (!fman) { + err = -EINVAL; + goto put_device; + } + err = of_property_read_u32(port_node, "cell-index", &val); if (err) { dev_err(port->dev, "%s: reading cell-index for %pOF failed\n", __func__, port_node); err = -EINVAL; - goto return_err; + goto put_device; } port_id = (u8)val; port->dts_params.id = port_id; @@ -1814,7 +1821,7 @@ static int fman_port_probe(struct platform_device *of_dev) } else { dev_err(port->dev, "%s: Illegal port type\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.type = port_type; @@ -1828,7 +1835,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: incorrect qman-channel-id\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.qman_channel_id = qman_channel_id; } @@ -1838,7 +1845,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: of_address_to_resource() failed\n", __func__); err = -ENOMEM; - goto return_err; + goto put_device; } port->dts_params.fman = fman; @@ -1863,6 +1870,8 @@ static int fman_port_probe(struct platform_device *of_dev) return 0; +put_device: + put_device(&fm_pdev->dev); return_err: of_node_put(port_node); free_port: |