Re: [PATCH v2] mISDN: hfcpci: Fix potential deadlock on &hc->lock

[patchwork-bot+netdevbpf]

Hello:

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

On Thu, 27 Jul 2023 08:56:19 +0000 you wrote:
> As &hc->lock is acquired by both timer _hfcpci_softirq() and hardirq
> hfcpci_int(), the timer should disable irq before lock acquisition
> otherwise deadlock could happen if the timmer is preemtped by the hadr irq.
> 
> Possible deadlock scenario:
> hfcpci_softirq() (timer)
>     -> _hfcpci_softirq()
>     -> spin_lock(&hc->lock);
>         <irq interruption>
>         -> hfcpci_int()
>         -> spin_lock(&hc->lock); (deadlock here)
> 
> [...]

Here is the summary with links:
  - [v2] mISDN: hfcpci: Fix potential deadlock on &hc->lock
    https://git.kernel.org/netdev/net/c/56c6be35fcbe

You are awesome, thank you!
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