Re: [PATCH 20/30] microblaze_mmu_v1: uaccess MMU update

[Andrew Morton]

On Mon, 27 Apr 2009 10:32:09 +0200 monstr@xxxxxxxxx wrote:

> +#define __clear_user(addr, n)	(memset((void *)(addr), 0, (n)), 0)

__clear_user() already takes a void* argument, so the cast is hopefully
unneeded and undesirable.  The same applies to many other
architectures.  If someone is passing a non-pointer type to
__clear_user() then that's potentially a bad thing which we want to
know about.

IOW, someone screwed up and everyone copied it :(

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