[dpdk-stable] [PATCH v2] net/vhost: fix return value of vhost creates not checked

[Yunjian Wang <wangyunjian@huawei.com>]

The function eth_dev_vhost_create() could return errors,
the return value need to be checked.

Fixes: ee584e9710b9 ("vhost: add driver on top of the library")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
v2:
 -change function eth_dev_vhost_create return 0 on success
---
 drivers/net/vhost/rte_eth_vhost.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/net/vhost/rte_eth_vhost.c b/drivers/net/vhost/rte_eth_vhost.c
index 46f01a7..e927669 100644
--- a/drivers/net/vhost/rte_eth_vhost.c
+++ b/drivers/net/vhost/rte_eth_vhost.c
@@ -1302,7 +1302,7 @@ struct vhost_xstats_name_off {
 	}
 
 	rte_eth_dev_probing_finish(eth_dev);
-	return data->port_id;
+	return 0;
 
 error:
 	if (internal) {
@@ -1455,8 +1455,10 @@ struct vhost_xstats_name_off {
 	if (dev->device.numa_node == SOCKET_ID_ANY)
 		dev->device.numa_node = rte_socket_id();
 
-	eth_dev_vhost_create(dev, iface_name, queues, dev->device.numa_node,
-		flags, disable_flags);
+	ret = eth_dev_vhost_create(dev, iface_name, queues,
+				   dev->device.numa_node, flags, disable_flags);
+	if (ret == -1)
+		VHOST_LOG(ERR, "Failed to create %s", name);
 
 out_free:
 	rte_kvargs_free(kvlist);
-- 
1.8.3.1