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    SubjectRe: [resend][PATCH] avoid signed vs unsigned comparison in efi_range_is_wc()
    Jesper Juhl <juhl-lkml@dif.dk> wrote:
    >
    > I send in the patch below a while back but never recieved any response.
    > Now I'm resending it in the hope that it might be added to -mm.

    There are surely many warnings in the tree, hence I'm not really interested
    in patches which only fix `gcc -W' warnings.

    How many are there?

    > It looks to me like a significantly large 'len' passed in could cause the
    > loop to never end. Isn't it safer to make 'i' an unsigned long as well?

    Nope. All operations which mix signed and unsigned types promote the
    signed type to unsigned.

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