Re: [PATCH] [prefetch.h] warning: pointer of type `void *' used in arithmetic'

[Vojtech Pavlik]

On Sat, Jul 03, 2004 at 05:18:11PM -0700, Andrew Morton wrote:
> Pawe__ Sikora <pluto@xxxxxxxxxxxxx> wrote:
> >
> > warning killed.
> 
> >  --- /var/tmp/linux/include/linux/prefetch.h.orig	2004-06-16 07:20:25.000000000 +0200
> >  +++ /var/tmp/linux/include/linux/prefetch.h	2004-07-03 18:28:10.478861720 +0200
> >  @@ -59,7 +59,7 @@
> >   {
> >   #ifdef ARCH_HAS_PREFETCH
> >   	char *cp;
> >  -	char *end = addr + len;
> >  +	char *end = (char *)addr + len;
> 
> What version of the compiler is generating this warning?

As far as I know, any gcc if and only if you pass "-Wpointer-arith" to
it. The kernel doesn't do that, leaving me wondering ...

-- 
Vojtech Pavlik
SuSE Labs, SuSE CR
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