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    SubjectRe: [PATCH] driver core: fix shutdown races with probe/remove(v2)
    On Mon, Jun 11, 2012 at 10:16 PM, Alan Stern <> wrote:

    >> +
    >> +             if (nonlocked)
    >> +                     dev_err(dev, "can't hold %slock for shutdown\n",
    >> +                                     nonlocked == 1 ? "" : "parent ");
    > Even if the parent can't be locked, you should still try to lock the
    > device.

    I have considered doing it, but which may consume another 1sec.

    Also if the parent lock has been held, it is very possibly that the
    device can't be probed or removed at the same time, so just logged
    the crazy thing and go ahead.

    Ming Lei
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