[dpdk-dev] [PATCHv2 2/4] igb/ixgbe: reset queue pointers after releasing

[Konstantin Ananyev]

Signed-off-by: Konstantin Ananyev <konstantin.ananyev at intel.com>
---
 lib/librte_pmd_e1000/igb_rxtx.c   | 4 +++-
 lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 8 ++++++--
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/lib/librte_pmd_e1000/igb_rxtx.c b/lib/librte_pmd_e1000/igb_rxtx.c
index e35649f..712086a 100644
--- 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),
diff --git a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c 
b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
index dc79c4b..99584b0 100644
--- a/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
+++ b/lib/librte_pmd_ixgbe/ixgbe_rxtx.c
@@ -1802,8 +1802,10 @@ ixgbe_dev_tx_queue_setup(struct rte_eth_dev *dev,
        }

        /* Free memory prior to re-allocation if needed... */
-       if (dev->data->tx_queues[queue_idx] != NULL)
+       if (dev->data->tx_queues[queue_idx] != NULL) {
                ixgbe_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_socket("ethdev TX queue", sizeof(struct igb_tx_queue),
@@ -2061,8 +2063,10 @@ ixgbe_dev_rx_queue_setup(struct rte_eth_dev *dev,
        }

        /* Free memory prior to re-allocation if needed... */
-       if (dev->data->rx_queues[queue_idx] != NULL)
+       if (dev->data->rx_queues[queue_idx] != NULL) {
                ixgbe_rx_queue_release(dev->data->rx_queues[queue_idx]);
+               dev->data->rx_queues[queue_idx] = NULL;
+       }

        /* First allocate the rx queue data structure */
        rxq = rte_zmalloc_socket("ethdev RX queue", sizeof(struct igb_rx_queue),
-- 
1.8.3.1