igb/ixgbe: reset queue pointers after releasing

[dpdk.git] / lib / librte_pmd_e1000 / igb_rxtx.c

diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rxtx.c
index 74bfb1f..c11931f 100644 (file)
--- a/lib/librte_pmd_e1000/igb_rxtx.c
+++ b/lib/librte_pmd_e1000/igb_rxtx.c
@@ -1212,8 +1212,10 @@ eth_igb_tx_queue_setup(struct rte_eth_dev *dev,
                        "the TX WTHRESH value to 4, 8, or 16.\n");
 
        /* Free memory prior to re-allocation if needed */
-       if (dev->data->tx_queues[queue_idx] != NULL)
+       if (dev->data->tx_queues[queue_idx] != NULL) {
                igb_tx_queue_release(dev->data->tx_queues[queue_idx]);
+               dev->data->tx_queues[queue_idx] = NULL;
+       }
 
        /* First allocate the tx queue data structure */
        txq = rte_zmalloc("ethdev TX queue", sizeof(struct igb_tx_queue),