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    SubjectRe: [Patch 7/9] fs/exec.c: fix wrong return value of prepare_binprm()
    On Thu, May 08, 2008 at 09:52:32PM +0800, WANG Cong wrote:
    > All prepare_binprm()'s callers assume that prepare_binprm() fails
    > when it returns negative. However, prepare_binprm() most probably returns
    > the return value of kernel_read(), which may return positive on failure!
    >
    > Thus this should be fixed.

    Since when does read return positive on failure?


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