[dpdk-stable] [dpdk-dev] [PATCH] net/hns3: fix out-of-bounds access

[wangyunjian <wangyunjian@huawei.com>]

From: Yunjian Wang <wangyunjian@huawei.com>

This patch fixes (out-of-bounds access) coverity issue.

Coverity issue: 349932
Fixes: 7d7f9f80bbfb ("net/hns3: support MAC address related operations")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
 drivers/net/hns3/hns3_ethdev.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/hns3/hns3_ethdev.c b/drivers/net/hns3/hns3_ethdev.c
index 81e773046..efe515221 100644
--- a/drivers/net/hns3/hns3_ethdev.c
+++ b/drivers/net/hns3/hns3_ethdev.c
@@ -1401,7 +1401,7 @@ hns3_add_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
 	struct hns3_adapter *hns = HNS3_DEV_HW_TO_ADAPTER(hw);
 	struct hns3_mac_vlan_tbl_entry_cmd req;
 	struct hns3_pf *pf = &hns->pf;
-	struct hns3_cmd_desc desc;
+	struct hns3_cmd_desc desc[3];
 	char mac_str[RTE_ETHER_ADDR_FMT_SIZE];
 	uint16_t egress_port = 0;
 	uint8_t vf_id;
@@ -1435,7 +1435,7 @@ hns3_add_uc_addr_common(struct hns3_hw *hw, struct rte_ether_addr *mac_addr)
 	 * it if the entry is inexistent. Repeated unicast entry
 	 * is not allowed in the mac vlan table.
 	 */
-	ret = hns3_lookup_mac_vlan_tbl(hw, &req, &desc, false);
+	ret = hns3_lookup_mac_vlan_tbl(hw, &req, desc, false);
 	if (ret == -ENOENT) {
 		if (!hns3_is_umv_space_full(hw)) {
 			ret = hns3_add_mac_vlan_tbl(hw, &req, NULL);
-- 
2.18.1