[dpdk-dev] [PATCH] net/hns3: fix out-of-bounds access
wangyunjian
wangyunjian at huawei.com
Mon Sep 7 03:46:33 CEST 2020
From: Yunjian Wang <wangyunjian at 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 at dpdk.org
Signed-off-by: Yunjian Wang <wangyunjian at 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
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