Re: request_firmware API exhaust memory

From: Kay Sievers
Date: Wed Apr 28 2010 - 04:23:47 EST


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 @@
struct firmware {
size_t size;
const u8 *data;
+ struct page **pages;
};


Thanks,
Kay
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