1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index da6082739839..e7e5adf84e84 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -685,7 +685,8 @@ int ipoib_ib_dev_open(struct net_device *dev)
         queue_delayed_work(ipoib_workqueue, &priv->ah_reap_task,
                            round_jiffies_relative(HZ));
 
-        set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags);
+        if (!test_and_set_bit(IPOIB_FLAG_INITIALIZED, &priv->flags))
+                napi_enable(&priv->napi);
 
         return 0;
 }
@@ -804,7 +805,8 @@ int ipoib_ib_dev_stop(struct net_device *dev, int flush)
         struct ipoib_tx_buf *tx_req;
         int i;
 
-        clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags);
+        if (test_and_clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags))
+                napi_disable(&priv->napi);
 
         ipoib_cm_dev_stop(dev);