From: Al Viro <[EMAIL PROTECTED]>
Date: Mon, 13 Nov 2006 20:26:56 +0000

> On Mon, Nov 13, 2006 at 11:22:00PM +0300, Alexey Dobriyan wrote:
> > 6.5.7(5): The result of E1 >> E2 is E1 right-shifted E2 bit positions.
> >             ...
> >     If E1 has a signed type and a negative value, the resulting value
> >     is implementation defined.
> > 
> > So, cast -1 to unsigned type to make result well-defined.
> 
> Or just use ~0U and be done with that.

I've modified the patch based upon Al's suggestion and applied
it to 2.6.20, thanks everyone.
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