[dpdk-dev] [PATCH v2] net/i40e: fix a bug in function i40evf_add_del_all_mac_addr

[henry]

check return value of rte_zmalloc

Signed-off-by: henry <caihe at huawei.com>
---
 drivers/net/i40e/i40e_ethdev_vf.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/i40e/i40e_ethdev_vf.c b/drivers/net/i40e/i40e_ethdev_vf.c
index 55fd344..fdb5be6 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -2014,6 +2014,12 @@ static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
 		}
 
 		list = rte_zmalloc("i40evf_del_mac_buffer", len, 0);
+		if (!list) {
+			PMD_DRV_LOG(ERR, "abort execute command %s",
+				    add ? "OP_ADD_ETHER_ADDRESS" :
+				    "OP_DEL_ETHER_ADDRESS");
+			return;
+		}
 
 		for (i = begin; i < next_begin; i++) {
 			addr = &dev->data->mac_addrs[i];
-- 
1.8.3.1