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Message-ID: <aaa0979c-abd0-b3cf-ac3e-3813aaa84185@linaro.org>
Date:   Tue, 7 Jun 2022 14:44:48 +0200
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Subject: Re: [PATCH 1/1] nfc: nfcmrvl: Fix memory leak in
 nfcmrvl_play_deferred
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To:     Xiaohui Zhang <xiaohuizhang@ruc.edu.cn>,
        "David S . Miller" <davem@davemloft.net>, netdev@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20220607083230.6182-1-xiaohuizhang@ruc.edu.cn>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <20220607083230.6182-1-xiaohuizhang@ruc.edu.cn>
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On 07/06/2022 10:32, Xiaohui Zhang wrote:
> Similar to the handling of play_deferred in commit 19cfe912c37b
> ("Bluetooth: btusb: Fix memory leak in play_deferred"), we thought
> a patch might be needed here as well.
> 
> Currently usb_submit_urb is called directly to submit deferred tx
> urbs after unanchor them.
> 
> So the usb_giveback_urb_bh would failed to unref it in usb_unanchor_urb
> and cause memory leak.
> 
> Put those urbs in tx_anchor to avoid the leak, and also fix the error
> handling.
> 
> Signed-off-by: Xiaohui Zhang <xiaohuizhang@ruc.edu.cn>


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>


Best regards,
Krzysztof