linux-kernel - Re: [RFC PATCH v2] Bluetooth: btusb: Fix memory leak in play

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Message-ID: <596DDB63.6010206@rock-chips.com>
Date:   Tue, 18 Jul 2017 17:56:51 +0800
From:   jeffy <jeffy.chen@...k-chips.com>
To:     Oliver Neukum <oneukum@...e.com>,
        Marcel Holtmann <marcel@...tmann.org>
CC:     briannorris@...omium.org, dianders@...omium.org,
        Johan Hedberg <johan.hedberg@...il.com>,
        xiyou.wangcong@...il.com,
        "Gustavo F. Padovan" <gustavo@...ovan.org>,
        linux-bluetooth@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v2] Bluetooth: btusb: Fix memory leak in play_deferred

Hi Oliver,

On 07/18/2017 05:41 PM, Oliver Neukum wrote:
> Am Dienstag, den 18.07.2017, 17:36 +0800 schrieb jeffy:
>> Hi Oliver,
>>
>> On 07/18/2017 04:41 PM, Oliver Neukum wrote:
>>>
>>> Am Dienstag, den 18.07.2017, 16:08 +0800 schrieb jeffy:
>>>>
>>>>>
>>>>> I am afraid not. We cannot silently drop one part of a transmission.
>>>>> I am afraid that the correct algorithm, if we encounter an error at
>>>>> that stage, is to abort the operation and report an error.
>>>>>
>>>> so i should break the loop when error happens right?
>>>
>>> Yes
>> ok, i'll do that.
>>>
>>>
>>>>
>>>>
>>>> and i uploaded 2 version of patches, which one do you prefer to go on?
>>>
>>> Where to?
>> https://patchwork.kernel.org/patch/9847037
>> and
>> https://patchwork.kernel.org/patch/9846617
>
> I think that as soon as one URB fails, you should not even try
> to submit any other deferred URBs. You are taking one out from
> the middle of a sequence. That cannot be right.
ok, that make sense.

new patch sent :)
>
> 	Regards
> 		Oliver
>
>
>
>