From: Beilei Xing <beilei.xing@intel.com>
Date: Thu, 8 Feb 2018 13:18:12 +0000 (+0800)
Subject: net/i40e: check multi-driver option parsing
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=7469a495aec98082bcd4219cf7a25c6c3867c11a;p=dpdk.git

net/i40e: check multi-driver option parsing

This patch fixes the coverity CHECKED_RETURN issue.

Coverity issue: 261779
Fixes: cfdfca493cae ("net/i40e: fix multiple driver support")
Cc: stable@dpdk.org

Reported-by: John McNamara <john.mcnamara@intel.com>
Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
---

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 65a4b7ad74..508b4171c0 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -1107,8 +1107,12 @@ i40e_support_multi_driver(struct rte_eth_dev *dev)
 			    "the first invalid or last valid one is used !",
 			    ETH_I40E_SUPPORT_MULTI_DRIVER);
 
-	rte_kvargs_process(kvlist, ETH_I40E_SUPPORT_MULTI_DRIVER,
-			   i40e_parse_multi_drv_handler, pf);
+	if (rte_kvargs_process(kvlist, ETH_I40E_SUPPORT_MULTI_DRIVER,
+			       i40e_parse_multi_drv_handler, pf) < 0) {
+		rte_kvargs_free(kvlist);
+		return -EINVAL;
+	}
+
 	rte_kvargs_free(kvlist);
 	return 0;
 }