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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! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html
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