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    SubjectRe: hotplug e1000 failed after 32 times
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    On Fri, 2004-09-17 at 13:14, Andrew Morton wrote:
    > Li Shaohua <shaohua.li@intel.com> wrote:
    > >
    > > I'm testing a hotplug driver. In my test, I will hot add/remove an e1000
    > > NIC frequently. The result is my hot add failed after 32 times hotadd.
    > > After looking at the code of e1000 driver, I found
    > > e1000_adapter->bd_number has maxium limitation of 32, and it increased
    > > one every hot add. Looks like the remove driver routine didn't free the
    > > 'bd_number', so hot add failed after 32 times. Below patch fixes this
    > > issue.
    >
    > Yeah. I think you'll find that damn near every net driver in the kernel
    > has this problem. I think it would be better to create a little suite of
    > library functions in net/core/dev.c to handle this situation.
    Thanks Andrew. That makes sense. I will add as you said.

    Thanks,
    Shaohua

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