[net] net: lan966x: add missing fwnode_handle_put() for ports node
Commit Message
Since the "ethernet-ports" node is retrieved using
device_get_named_child_node(), it should be release after using it. Add
missing fwnode_handle_put() and move the code that retrieved the node
from device-tree to avoid complicated handling in case of error.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
---
.../net/ethernet/microchip/lan966x/lan966x_main.c | 13 ++++++++-----
1 file changed, 8 insertions(+), 5 deletions(-)
Comments
On Thu, 2023-01-12 at 17:13 +0100, Clément Léger wrote:
> Since the "ethernet-ports" node is retrieved using
> device_get_named_child_node(), it should be release after using it. Add
> missing fwnode_handle_put() and move the code that retrieved the node
> from device-tree to avoid complicated handling in case of error.
>
> Signed-off-by: Clément Léger <clement.leger@bootlin.com>
You should probably add a fixes tag to this:
Fixes: db8bcaad5393 ("net: lan966x: add the basic lan966x driver")
Other than that the patch itself looks good to me.
Reviewed-by: Alexander Duyck <alexanderduyck@fb.com>
Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.org>:
On Thu, 12 Jan 2023 17:13:11 +0100 you wrote:
> Since the "ethernet-ports" node is retrieved using
> device_get_named_child_node(), it should be release after using it. Add
> missing fwnode_handle_put() and move the code that retrieved the node
> from device-tree to avoid complicated handling in case of error.
>
> Signed-off-by: Clément Léger <clement.leger@bootlin.com>
>
> [...]
Here is the summary with links:
- [net] net: lan966x: add missing fwnode_handle_put() for ports node
https://git.kernel.org/netdev/net/c/925f3deb45df
You are awesome, thank you!
@@ -1043,11 +1043,6 @@ static int lan966x_probe(struct platform_device *pdev)
lan966x->base_mac[5] &= 0xf0;
}
- ports = device_get_named_child_node(&pdev->dev, "ethernet-ports");
- if (!ports)
- return dev_err_probe(&pdev->dev, -ENODEV,
- "no ethernet-ports child found\n");
-
err = lan966x_create_targets(pdev, lan966x);
if (err)
return dev_err_probe(&pdev->dev, err,
@@ -1125,6 +1120,11 @@ static int lan966x_probe(struct platform_device *pdev)
}
}
+ ports = device_get_named_child_node(&pdev->dev, "ethernet-ports");
+ if (!ports)
+ return dev_err_probe(&pdev->dev, -ENODEV,
+ "no ethernet-ports child found\n");
+
/* init switch */
lan966x_init(lan966x);
lan966x_stats_init(lan966x);
@@ -1162,6 +1162,8 @@ static int lan966x_probe(struct platform_device *pdev)
goto cleanup_ports;
}
+ fwnode_handle_put(ports);
+
lan966x_mdb_init(lan966x);
err = lan966x_fdb_init(lan966x);
if (err)
@@ -1191,6 +1193,7 @@ static int lan966x_probe(struct platform_device *pdev)
lan966x_fdb_deinit(lan966x);
cleanup_ports:
+ fwnode_handle_put(ports);
fwnode_handle_put(portnp);
lan966x_cleanup_ports(lan966x);