From: Stephen Hemminger <sthemmin@microsoft.com>
Date: Wed, 26 Sep 2018 09:31:12 +0000 (+0100)
Subject: net/netvsc: check return from kvargs process
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=9ba102f6b0453e1a8f13b5940fa6268824c68471;p=dpdk.git

net/netvsc: check return from kvargs process

Should check return value from processing latency value.

Coverity issue: 322104
Fixes: a25d39a3eb69 ("net/netvsc: allow tuning latency with devargs")

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
---

diff --git a/drivers/net/netvsc/hn_ethdev.c b/drivers/net/netvsc/hn_ethdev.c
index 3092066ada..8e728d6390 100644
--- a/drivers/net/netvsc/hn_ethdev.c
+++ b/drivers/net/netvsc/hn_ethdev.c
@@ -167,6 +167,7 @@ static int hn_parse_args(const struct rte_eth_dev *dev)
 		NULL
 	};
 	struct rte_kvargs *kvlist;
+	int ret;
 
 	if (!devargs)
 		return 0;
@@ -180,9 +181,12 @@ static int hn_parse_args(const struct rte_eth_dev *dev)
 		return -EINVAL;
 	}
 
-	rte_kvargs_process(kvlist, "latency", hn_set_latency, hv);
+	ret = rte_kvargs_process(kvlist, "latency", hn_set_latency, hv);
+	if (ret)
+		PMD_DRV_LOG(ERR, "Unable to process latency arg\n");
+
 	rte_kvargs_free(kvlist);
-	return 0;
+	return ret;
 }
 
 /* Update link status.