[dpdk-stable] [PATCH] examples/ethtool: fix unchecked return value

[Gargi Sau]

This checks the return value from the function
rte_eth_dev_set_vlan_offload.

Coverity issue: 350358
Fixes: bda68ab9d1e7 ("examples/ethtool: add user-space ethtool sample application")
Cc: stable at dpdk.org

Signed-off-by: Gargi Sau <gargi.sau at intel.com>
---
 examples/ethtool/lib/rte_ethtool.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/examples/ethtool/lib/rte_ethtool.c b/examples/ethtool/lib/rte_ethtool.c
index 667d7eaf2..db8150efd 100644
--- a/examples/ethtool/lib/rte_ethtool.c
+++ b/examples/ethtool/lib/rte_ethtool.c
@@ -402,7 +402,9 @@ rte_ethtool_net_set_rx_mode(uint16_t port_id)
 	}
 
 	/* Enable Rx vlan filter, VF unspport status is discard */
-	rte_eth_dev_set_vlan_offload(port_id, ETH_VLAN_FILTER_MASK);
+	ret = rte_eth_dev_set_vlan_offload(port_id, ETH_VLAN_FILTER_MASK);
+	if (ret != 0)
+		return ret;
 
 	return 0;
 }
-- 
2.17.1