Re: request_firmware API exhaust memory

From: Tomas Winkler
Date: Wed Apr 28 2010 - 09:07:44 EST


On Wed, Apr 28, 2010 at 11:23 AM, Kay Sievers <kay.sievers@xxxxxxxx> wrote:
> On Tue, Apr 27, 2010 at 15:34, Kay Sievers <kay.sievers@xxxxxxxx> wrote:
>> On Tue, Apr 27, 2010 at 14:43, David Woodhouse <dwmw2@xxxxxxxxxxxxx> wrote:
>>> This untested patch attempts to put the page array into the 'struct
>>> firmware' so that we can free it from release_firmware().
>>
>> Looks good. Seems to work without problems and without leaking memory.
>>
>> Misses only the member in the struct firmware though. :)
>
> Thomas, any chance to test David's patch, if that solves the issues you've seen?
>
> Just add the missing line:
>
> --- a/include/linux/firmware.h
> +++ b/include/linux/firmware.h
> @@ -12,6 +12,7 @@
> Âstruct firmware {
> Â Â Â Âsize_t size;
> Â Â Â Âconst u8 *data;
> + Â Â Â struct page **pages;
> Â};
>
>
In progress. Will post results later today (timezone:GMT+2)

Thanks
Tomas
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