netdev - Re: [PATCH v1] NFC: reorganize the functions in nci

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Date:   Thu, 18 Nov 2021 04:30:08 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Lin Ma <linma@....edu.cn>
Cc:     netdev@...r.kernel.org, krzysztof.kozlowski@...onical.com,
        davem@...emloft.net, kuba@...nel.org, jirislaby@...nel.org,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] NFC: reorganize the functions in nci_request

Hello:

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

On Mon, 15 Nov 2021 22:56:00 +0800 you wrote:
> There is a possible data race as shown below:
> 
> thread-A in nci_request()       | thread-B in nci_close_device()
>                                 | mutex_lock(&ndev->req_lock);
> test_bit(NCI_UP, &ndev->flags); |
> ...                             | test_and_clear_bit(NCI_UP, &ndev->flags)
> mutex_lock(&ndev->req_lock);    |
>                                 |
> 
> [...]

Here is the summary with links:
  - [v1] NFC: reorganize the functions in nci_request
    https://git.kernel.org/netdev/net/c/86cdf8e38792

You are awesome, thank you!
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