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    SubjectRe: [PATCH] ptrdiff_t is not uintptr_t, damnit
    Date
    On Sunday 19 August 2007, Al Viro wrote:
    > On Mon, Aug 20, 2007 at 01:27:13AM +0100, Anton Altaparmakov wrote:
    >
    > > And what the cast was doing I can't remember. I may well have just
    > > copied it from the VFS or I was perhaps trying to silence a warning
    > > and this happened to work...
    >
    > ... due to sparse bug (it miscalculated address space of pointed to,
    > picking top-level qualifiers for some reason; __user pointer to char
    > and pointer to __user char gave the same result and so did __user long).
    > That cast still made no sense...

    I could believe that all came from sparse bugs. Fixed now?
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