linux-kernel - Re: [PATCH] atm: lanai: dont run lanai_dev

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Date:   Mon, 01 Mar 2021 21:30:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Tong Zhang <ztong0001@...il.com>
Cc:     3chas3@...il.com, linux-atm-general@...ts.sourceforge.net,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] atm: lanai: dont run lanai_dev_close if not open

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Sat, 27 Feb 2021 22:55:50 -0500 you wrote:
> lanai_dev_open() can fail. When it fail, lanai->base is unmapped and the
> pci device is disabled. The caller, lanai_init_one(), then tries to run
> atm_dev_deregister(). This will subsequently call lanai_dev_close() and
> use the already released MMIO area.
> 
> To fix this issue, set the lanai->base to NULL if open fail,
> and test the flag in lanai_dev_close().
> 
> [...]

Here is the summary with links:
  - atm: lanai: dont run lanai_dev_close if not open
    https://git.kernel.org/netdev/net/c/a2bd45834e83

You are awesome, thank you!
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