net/ixgbe: fix queue resource leak

In the ixgbevf_dev_start function, after initializing the rxtx queue, if
an exception occurs in the subsequent function, the rxtx queue needs to
be released. The patch solves the problem of queue resource leakage.

Fixes: 0eb609239efd ("ixgbe: enable Rx queue interrupts for PF and VF")
Cc: stable@dpdk.org
Signed-off-by: Qiming Chen <chenqiming_huawei@163.com>
Acked-by: Haiyue Wang <haiyue.wang@intel.com>

diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c
index 7b198d9..3371a7d 100644 (file)
--- a/drivers/net/ixgbe/ixgbe_ethdev.c
+++ b/drivers/net/ixgbe/ixgbe_ethdev.c
@@ -5362,8 +5362,10 @@ ixgbevf_dev_start(struct rte_eth_dev *dev)
                 * now only one vector is used for Rx queue
                 */
                intr_vector = 1;
-               if (rte_intr_efd_enable(intr_handle, intr_vector))
+               if (rte_intr_efd_enable(intr_handle, intr_vector)) {
+                       ixgbe_dev_clear_queues(dev);
                        return -1;
+               }
        }
 
        if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
@@ -5373,6 +5375,7 @@ ixgbevf_dev_start(struct rte_eth_dev *dev)
                if (intr_handle->intr_vec == NULL) {
                        PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
                                     " intr_vec", dev->data->nb_rx_queues);
+                       ixgbe_dev_clear_queues(dev);
                        return -ENOMEM;
                }
        }