[dpdk-dev] [PATCH] net/qede:fix the bug about pointer params may NULL

[Rongqiang XIE]

In function qede_rss_reta_update(),the pointer params returned from
call to function rte_zmalloc() may be NULL and will be dereferenced.
So, should judge the params is NULL or not.

Signed-off-by: Rongqiang XIE <xie.rongqiang at zte.com.cn>
---
 drivers/net/qede/qede_ethdev.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c
index 0e05989..4e9e89f 100644
--- a/drivers/net/qede/qede_ethdev.c
+++ b/drivers/net/qede/qede_ethdev.c
@@ -2012,6 +2012,10 @@ int qede_rss_reta_update(struct rte_eth_dev *eth_dev,
 	memset(&vport_update_params, 0, sizeof(vport_update_params));
 	params = rte_zmalloc("qede_rss", sizeof(*params) * edev->num_hwfns,
 			     RTE_CACHE_LINE_SIZE);
+	if (params == NULL) {
+		DP_ERR(edev, "failed to allocate memory\n");
+		return -ENOMEM;
+	}
 
 	for (i = 0; i < reta_size; i++) {
 		idx = i / RTE_RETA_GROUP_SIZE;
-- 
1.8.3.1