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    SubjectRe: [Compile Warning] 2.6.30-rc8 build
    > I don't think there's any way in which gcc can deduce that h->first is
    > non-zero on entry to that loop. Even if it inlines
    > serial_unlink_irq_chain() into serial8250_shutdown().

    Why does it care ?

    Suppose the list is empty, n is loaded with NULL

    That follows the BUG_ON path which expands to include a function marked
    as not returning

    gcc is just rather smarter than your average cc

     \ /
      Last update: 2009-06-06 00:09    [W:0.017 / U:43.060 seconds]
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