linux-kernel - Re: [PATCH v2] nfc/nci: fix race with opening and closing

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Date:   Fri, 18 Nov 2022 12:40:16 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Lin Ma <linma@....edu.cn>
Cc:     krzk@...nel.org, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, mudongliangabcd@...il.com,
        syzbot+43475bf3cfbd6e41f5b7@...kaller.appspotmail.com
Subject: Re: [PATCH v2] nfc/nci: fix race with opening and closing

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@...emloft.net>:

On Wed, 16 Nov 2022 21:02:49 +0800 you wrote:
> Previously we leverage NCI_UNREG and the lock inside nci_close_device to
> prevent the race condition between opening a device and closing a
> device. However, it still has problem because a failed opening command
> will erase the NCI_UNREG flag and allow another opening command to
> bypass the status checking.
> 
> This fix corrects that by making sure the NCI_UNREG is held.
> 
> [...]

Here is the summary with links:
  - [v2] nfc/nci: fix race with opening and closing
    https://git.kernel.org/netdev/net/c/0ad6bded175e

You are awesome, thank you!
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