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

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Message-Id: 
 <174683343349.3841790.11374991133112180926.git-patchwork-notify@kernel.org>
Date: Fri, 09 May 2025 23:30:33 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Andrew Jeffery <andrew@...econstruct.com.au>
Cc: jk@...econstruct.com.au, matt@...econstruct.com.au, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, horms@...nel.org,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: mctp: Ensure keys maintain only one ref to
 corresponding dev

Hello:

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

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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