[lkml]   [2009]   [Jun]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    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:85.084 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site