[dpdk-stable] [PATCH v2] net/bonding: check dequeue result before proceeding
Radu Nicolau
radu.nicolau at intel.com
Wed Jan 24 14:11:13 CET 2018
Fixes: 09150784a776 ("net/bonding: burst mode hash calculation")
Coverity issue: 257015
Cc: stable at dpdk.org
Signed-off-by: Radu Nicolau <radu.nicolau at intel.com>
---
v2: updated commit message
drivers/net/bonding/rte_eth_bond_pmd.c | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/net/bonding/rte_eth_bond_pmd.c b/drivers/net/bonding/rte_eth_bond_pmd.c
index 158f3aa..cc06ff4 100644
--- a/drivers/net/bonding/rte_eth_bond_pmd.c
+++ b/drivers/net/bonding/rte_eth_bond_pmd.c
@@ -1435,17 +1435,17 @@ bond_ethdev_tx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
if (likely(rte_ring_empty(port->tx_ring)))
continue;
- rte_ring_dequeue(port->tx_ring, (void **)&ctrl_pkt);
-
- slave_tx_count = rte_eth_tx_burst(slave_port_ids[i],
+ if (rte_ring_dequeue(port->tx_ring,
+ (void **)&ctrl_pkt) != -ENOENT) {
+ slave_tx_count = rte_eth_tx_burst(slave_port_ids[i],
bd_tx_q->queue_id, &ctrl_pkt, 1);
-
- /*
- * re-enqueue LAG control plane packets to buffering
- * ring if transmission fails so the packet isn't lost.
- */
- if (slave_tx_count != 1)
- rte_ring_enqueue(port->tx_ring, ctrl_pkt);
+ /*
+ * re-enqueue LAG control plane packets to buffering
+ * ring if transmission fails so the packet isn't lost.
+ */
+ if (slave_tx_count != 1)
+ rte_ring_enqueue(port->tx_ring, ctrl_pkt);
+ }
}
return total_tx_count;
--
2.7.5
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