dpdk vrouter crash in rte_port_ethdev_writer_flush

closes-jira-bug: CEM-4321
out of bound array write in bond driver code.
Array bufs_slave_port_idxs was not defined properly.

Change-Id: I9bcfafafe7bd9106ecb8b9afb921f8269a330136

drivers/net/bonding/rte_eth_bond_pmd.c

@@ -297,7 +297,7 @@ bond_ethdev_tx_burst_8023ad_fast_queue(void *queue, struct rte_mbuf **bufs,
 	/* Number of mbufs for transmission on each slave */
 	uint16_t slave_nb_bufs[RTE_MAX_ETHPORTS] = { 0 };
 	/* Mapping array generated by hash function to map mbufs to slaves */
-	uint16_t bufs_slave_port_idxs[RTE_MAX_ETHPORTS] = { 0 };
+	uint16_t bufs_slave_port_idxs[nb_bufs];
 
 	uint16_t slave_tx_count;
 	uint16_t total_tx_count = 0, total_tx_fail_count = 0;
@@ -1272,7 +1272,7 @@ bond_ethdev_tx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
 	/* Number of mbufs for transmission on each slave */
 	uint16_t slave_nb_bufs[RTE_MAX_ETHPORTS] = { 0 };
 	/* Mapping array generated by hash function to map mbufs to slaves */
-	uint16_t bufs_slave_port_idxs[RTE_MAX_ETHPORTS] = { 0 };
+	uint16_t bufs_slave_port_idxs[nb_bufs];
 
 	uint16_t slave_tx_count;
 	uint16_t total_tx_count = 0, total_tx_fail_count = 0;