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From: Jingjing Wu <jingjing.wu@intel.com>
To: wenzhuo.lu@intel.com
Cc: jingjing.wu@intel.com, dev@dpdk.org
Subject: [dpdk-dev] [PATCH] net/avf: fix unchecked return value issue
Date: Tue, 30 Jan 2018 17:10:36 +0800	[thread overview]
Message-ID: <1517303436-57290-1-git-send-email-jingjing.wu@intel.com> (raw)

This patch fixes the coverity CHECKED_RETURN issue.

Coverity issue: 257045
Fixes: 48de41ca11f0 ("net/avf: enable link status update")

Reported-by: John McNamara <john.mcnamara@intel.com>
Signed-off-by: Jingjing Wu <jingjing.wu@intel.com>
---
 drivers/net/avf/avf_ethdev.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/avf/avf_ethdev.c b/drivers/net/avf/avf_ethdev.c
index cf7bbb2..3009f5d 100644
--- a/drivers/net/avf/avf_ethdev.c
+++ b/drivers/net/avf/avf_ethdev.c
@@ -609,9 +609,10 @@ avf_dev_link_update(struct rte_eth_dev *dev,
 	new_link.link_autoneg = !!(dev->data->dev_conf.link_speeds &
 				ETH_LINK_SPEED_FIXED);
 
-	rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
-			    *(uint64_t *)&dev->data->dev_link,
-			    *(uint64_t *)&new_link);
+	if (rte_atomic64_cmpset((uint64_t *)&dev->data->dev_link,
+				*(uint64_t *)&dev->data->dev_link,
+				*(uint64_t *)&new_link) == 0)
+		return -1;
 
 	return 0;
 }
-- 
2.4.11

             reply	other threads:[~2018-01-30  9:19 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-30  9:10 Jingjing Wu [this message]
2018-01-31 19:20 ` Ferruh Yigit
  -- strict thread matches above, loose matches on Subject: below --
2018-01-30  5:56 Jingjing Wu

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