Re: [PATCH] net: dsa: loop: release netdev reference on registration failure

[Andrew Lunn]

On Tue, Nov 03, 2026 at 10:05:29AM +0000, Wentao Liang wrote:
> dsa_loop_drv_probe() takes a reference on the CPU net_device with
> dev_get_by_name() before calling dsa_register_switch(). The matching
> dev_put() is only done in dsa_loop_drv_remove(), which the driver core
> does not call after a failed probe, so every failed registration leaks
> the reference.

Please read:

https://www.kernel.org/doc/html/latest/process/maintainer-netdev.html

You must indicate which tree this is for.

And please think carefully about which tree you pick. Does the issue
actually bother anybody?

    Andrew

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