From: Chengwen Feng <fengchengwen@huawei.com>
Date: Wed, 21 Apr 2021 02:14:18 +0000 (+0800)
Subject: net/kni: check init result
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=7fa949fd1122b2e529c538489e2287736f1540e3;p=dpdk.git

net/kni: check init result

This patch adds checking for rte_kni_init() result.

Fixes: 75e2bc54c018 ("net/kni: add KNI PMD")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Acked-by: Ferruh Yigit <ferruh.yigit@intel.com>
---

diff --git a/drivers/net/kni/rte_eth_kni.c b/drivers/net/kni/rte_eth_kni.c
index 9ce74e549b..4d2a42ddab 100644
--- a/drivers/net/kni/rte_eth_kni.c
+++ b/drivers/net/kni/rte_eth_kni.c
@@ -406,8 +406,13 @@ eth_kni_create(struct rte_vdev_device *vdev,
 static int
 kni_init(void)
 {
-	if (is_kni_initialized == 0)
-		rte_kni_init(MAX_KNI_PORTS);
+	int ret;
+
+	if (is_kni_initialized == 0) {
+		ret = rte_kni_init(MAX_KNI_PORTS);
+		if (ret < 0)
+			return ret;
+	}
 
 	is_kni_initialized++;