fsl/fman: Fix missing put_device() call in fman_port_probe

[ Upstream commit bf2b09fedc17248b315f80fb249087b7d28a69a6 ]

The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore.
Add the corresponding 'put_device()' in the and error handling paths.

Fixes: 18a6c85fcc78 ("fsl/fman: Add FMan Port Support")
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>
This commit is contained in:
Miaoqian Lin 2021-12-30 12:26:27 +00:00 committed by Greg Kroah-Hartman
parent 120fb315a3
commit 35174d1179

View File

@ -1658,7 +1658,7 @@ static int fman_port_probe(struct platform_device *of_dev)
fman = dev_get_drvdata(&fm_pdev->dev);
if (!fman) {
err = -EINVAL;
goto return_err;
goto put_device;
}
err = of_property_read_u32(port_node, "cell-index", &val);
@ -1666,7 +1666,7 @@ static int fman_port_probe(struct platform_device *of_dev)
dev_err(port->dev, "%s: reading cell-index for %s failed\n",
__func__, port_node->full_name);
err = -EINVAL;
goto return_err;
goto put_device;
}
port_id = (u8)val;
port->dts_params.id = port_id;
@ -1700,7 +1700,7 @@ 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;
@ -1714,7 +1714,7 @@ 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;
}
@ -1724,7 +1724,7 @@ 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;
@ -1749,6 +1749,8 @@ 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: