* [dpdk-dev] [PATCH 1/2] net/avf: fix unchecked return value issue
@ 2018-01-30 5:54 Jingjing Wu
0 siblings, 0 replies; only message in thread
From: Jingjing Wu @ 2018-01-30 5:54 UTC (permalink / raw)
To: wenzhuo.lu; +Cc: jingjing.wu, dev
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..511715f 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
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