Re: [PATCH] acpi: set return value to const char for some functions

[Joe Perches]

On Wed, 2015-10-14 at 20:53 +0000, Moore, Robert wrote:
> In ACPICA, we tend to be very careful concerning the "const" keyword in order to avoid a phenomenon known as "const pollution".
> 
> That is not to say that we won't use const in some limited cases.

Please describe the effects of "const pollution".

Why isn't it useful to update the functions that
don't modify function pointer arguments to const?


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