[dpdk-dev] [PATCH] net/ring: fix return value check

[Ferruh Yigit]

'rte_eth_dev_get_port_by_name()' return value is not checked caught by
coverity, adding return value check.

Coverity issue: 305853
Fixes: 96cb19521147 ("net/ring: use EAL APIs in PMD specific API")
Cc: stable at dpdk.org

Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
 drivers/net/ring/rte_eth_ring.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
index 115a882b5..5ec646594 100644
--- a/drivers/net/ring/rte_eth_ring.c
+++ b/drivers/net/ring/rte_eth_ring.c
@@ -385,7 +385,11 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[],
 		return -1;
 	}
 
-	rte_eth_dev_get_port_by_name(ring_name, &port_id);
+	ret = rte_eth_dev_get_port_by_name(ring_name, &port_id);
+	if (ret) {
+		rte_errno = ENODEV;
+		return -1;
+	}
 
 	return port_id;
 }
-- 
2.20.1