IPoIB: Avoid flushing the driver workqueue on dev_down
The driver should not flush the whole workqueue when only one work (the pkey poll one) needs to be cancelled. Use cancel_delayed_work_sync() instead. Signed-off-by: Erez Shitrit <erezsh@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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@ -749,10 +749,8 @@ int ipoib_ib_dev_down(struct net_device *dev, int flush)
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if (!test_bit(IPOIB_PKEY_ASSIGNED, &priv->flags)) {
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mutex_lock(&pkey_mutex);
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set_bit(IPOIB_PKEY_STOP, &priv->flags);
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cancel_delayed_work(&priv->pkey_poll_task);
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cancel_delayed_work_sync(&priv->pkey_poll_task);
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mutex_unlock(&pkey_mutex);
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if (flush)
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flush_workqueue(ipoib_workqueue);
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}
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ipoib_mcast_stop_thread(dev, flush);
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