Re: [PATCH] ASoC: topology: fix stack corruption by code unification for creating standalone and widget controls

[Mark Brown]

On Mon, Sep 23, 2024 at 10:07:48AM +0200, H. Nikolaus Schaller wrote:

> You can't store a 64 bit pointer in an 32 bit unsigned int without getting into trouble
> on conversion back :) That is what uintptr_t is intended for, but it is also just an
> unsigned long in linux/types.h. AFAIK it is defined by C99 as "unsigned integer type
> capable of holding a pointer".

Practically speaking the kernel C code assumes that uintptr_t is the
same size as unsigned long and there's a whole bunch of porting would be
needed if you want to change that.  unintptr_t is a relatively new thing
compared to the C that the kernel originally targeted.

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