xen/blkfront: Make sure that the device is fully ready before allowing release.
[ linux-2.6.18-xen changeset c1c57fea77e9 ] Signed-off-by: Wim Colgate <wim@xensource.com> Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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@ -997,7 +997,7 @@ static int blkif_release(struct inode *inode, struct file *filep)
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struct xenbus_device *dev = info->xbdev;
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enum xenbus_state state = xenbus_read_driver_state(dev->otherend);
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if (state == XenbusStateClosing)
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if (state == XenbusStateClosing && info->is_ready)
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blkfront_closing(dev);
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}
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return 0;
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