Re: [PATCH net] net: mctp: Ensure keys maintain only one ref to corresponding dev

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Thu, 08 May 2025 14:16:00 +0930 you wrote:
> mctp_flow_prepare_output() is called in mctp_route_output(), which
> places outbound packets onto a given interface. The packet may represent
> a message fragment, in which case we provoke an unbalanced reference
> count to the underlying device. This causes trouble if we ever attempt
> to remove the interface:
> 
>     [   48.702195] usb 1-1: USB disconnect, device number 2
>     [   58.883056] unregister_netdevice: waiting for mctpusb0 to become free. Usage count = 2
>     [   69.022548] unregister_netdevice: waiting for mctpusb0 to become free. Usage count = 2
>     [   79.172568] unregister_netdevice: waiting for mctpusb0 to become free. Usage count = 2
>     ...
> 
> [...]

Here is the summary with links:
  - [net] net: mctp: Ensure keys maintain only one ref to corresponding dev
    https://git.kernel.org/netdev/net/c/e4f349bd6e58

You are awesome, thank you!
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