net/ixgbe: fix queue resource leak

[ upstream commit 3a732dc ]

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: 0eb6092 ("ixgbe: enable Rx queue interrupts for PF and VF")

Signed-off-by: Qiming Chen <chenqiming_huawei@163.com>
Acked-by: Haiyue Wang <haiyue.wang@intel.com>

drivers/net/ixgbe/ixgbe_ethdev.c

@@ -5409,8 +5409,10 @@ 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) {
@@ -5420,6 +5422,7 @@ 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;
 		}
 	}