[dpdk-stable] [PATCH] net/hinic: fix return value of null not checked

[wangyunjian <wangyunjian@huawei.com>]

From: Yunjian Wang <wangyunjian@huawei.com>

The function rte_zmalloc() could return NULL, the return
value need to be checked.

Fixes: f4ca3fd54c4d ("net/hinic: create and destroy flow director filter")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
 drivers/net/hinic/hinic_pmd_flow.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/net/hinic/hinic_pmd_flow.c b/drivers/net/hinic/hinic_pmd_flow.c
index a7bad570b..503a32fff 100644
--- a/drivers/net/hinic/hinic_pmd_flow.c
+++ b/drivers/net/hinic/hinic_pmd_flow.c
@@ -2977,6 +2977,10 @@ static struct rte_flow *hinic_flow_create(struct rte_eth_dev *dev,
 		if (!ret) {
 			ntuple_filter_ptr = rte_zmalloc("hinic_ntuple_filter",
 				sizeof(struct hinic_ntuple_filter_ele), 0);
+			if (ntuple_filter_ptr == NULL) {
+				PMD_DRV_LOG(ERR, "Failed to allocate ntuple_filter_ptr");
+				goto out;
+			}
 			rte_memcpy(&ntuple_filter_ptr->filter_info,
 				   &ntuple_filter,
 				   sizeof(struct rte_eth_ntuple_filter));
@@ -3003,6 +3007,10 @@ static struct rte_flow *hinic_flow_create(struct rte_eth_dev *dev,
 			ethertype_filter_ptr =
 				rte_zmalloc("hinic_ethertype_filter",
 				sizeof(struct hinic_ethertype_filter_ele), 0);
+			if (ethertype_filter_ptr == NULL) {
+				PMD_DRV_LOG(ERR, "Failed to allocate ethertype_filter_ptr");
+				goto out;
+			}
 			rte_memcpy(&ethertype_filter_ptr->filter_info,
 				&ethertype_filter,
 				sizeof(struct rte_eth_ethertype_filter));
@@ -3036,6 +3044,10 @@ static struct rte_flow *hinic_flow_create(struct rte_eth_dev *dev,
 		if (!ret) {
 			fdir_rule_ptr = rte_zmalloc("hinic_fdir_rule",
 				sizeof(struct hinic_fdir_rule_ele), 0);
+			if (fdir_rule_ptr == NULL) {
+				PMD_DRV_LOG(ERR, "Failed to allocate fdir_rule_ptr");
+				goto out;
+			}
 			rte_memcpy(&fdir_rule_ptr->filter_info, &fdir_rule,
 				sizeof(struct hinic_fdir_rule));
 			TAILQ_INSERT_TAIL(&nic_dev->filter_fdir_rule_list,
-- 
2.23.0