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DateMon, 12 May 2008 14:33:50 +0800
From"Bryan Wu" <>
SubjectRe: [PATCH 1/1] Input/Touchscreen Driver: add support AD7877touchscreen driver
On Wed, Apr 9, 2008 at 1:13 AM, Hennerich, Michael
<Michael.Hennerich@analog.com> wrote:
>>>>-----Original Message----->>From: Dmitry Torokhov [mailto:dmitry.torokhov@gmail.com]
>>Sent: Montag, 7. April 2008 22:16>>To: Bryan Wu>>Cc: linux-input@vger.kernel.org; linux-kernel@vger.kernel.org; Michael
>>Hennerich>>Subject: Re: [PATCH 1/1] Input/Touchscreen Driver: add support
>>AD7877touchscreen driver>>>>Hi Bryan, Michael,>>>>On Thu, Feb 14, 2008 at 05:17:28PM +0800, Bryan Wu wrote:
>>> From: Michael Hennerich <michael.hennerich@analog.com>
>>>
>>> [try #3] Changlog (Add feedback from Dmitry Torokhov):
>>>  - Change handling of spi_sync / spi_async return value handling
>>>  - Remove depreciated dev->power.power_state
>>>  - Fix error return path in ad7877_probe
>>>  - delete pending kernel timer
>>>  - Some minor cleanup (indention, use dev_err etc.)>>>>Sorry for the long silence... I have a couple of comments at the moment
>>but I am sure i will have more ;)>>>>> +>>> +    status = spi_sync(spi, &req->msg);>>> +>>> +    if (status == 0)>>> +            status = req->msg.status;>>> +>>> +    kfree(req);>>> +    return status ? status : req->sample;>>>>Use after free here.>> Yeah this is definitely broken.>>>>>> +>>> +    ts->irq_disabled = 1;>>> +    disable_irq(spi->irq);>>>>I am a bit uneasy here... do we need to wait for an async spi> completion>>here before proceeding? Overall I have some concerns about the
>>irq/spi/removal/sysfs iteractions, I will need some more time to look
>>through the driver.>>> I think you are right - let me come up with a patch.
>> Thanks and best regards,> Michael>>>

Hi Dmitry,

Sorry for no updates, I forget to send out that patch, although
Michael fixed the driver as your review.

So need I send out one updated patch including Michael's fixing or
just send out his incremental patch?

Thanks
-Bryan


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