[PATCH v3] ethdev: fix the bug where the flag variables are assigned

[Sunyang Wu <sunyang.wu@jaguarmicro.com>]

Set the values of the promiscuous and all_multicast variables
according to the return value.

Fixes: af75078fece3 ("first public release")
Fixes: de5ccf0775ae ("ethdev: do nothing if all-multicast mode is
applied again")
Cc: stable@dpdk.org

Signed-off-by: Morten Brørup <mb@smartsharesystems.com>
Signed-off-by: Sunyang Wu <sunyang.wu@jaguarmicro.com>
---
 lib/ethdev/rte_ethdev.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index d4197322a0..c27d3e5041 100644
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -3044,10 +3044,9 @@ rte_eth_promiscuous_disable(uint16_t port_id)
 	if (dev->dev_ops->promiscuous_disable == NULL)
 		return -ENOTSUP;
 
-	dev->data->promiscuous = 0;
 	diag = dev->dev_ops->promiscuous_disable(dev);
-	if (diag != 0)
-		dev->data->promiscuous = 1;
+	if (!diag)
+		dev->data->promiscuous = 0;
 
 	diag = eth_err(port_id, diag);
 
@@ -3112,10 +3111,10 @@ rte_eth_allmulticast_disable(uint16_t port_id)
 
 	if (dev->dev_ops->allmulticast_disable == NULL)
 		return -ENOTSUP;
-	dev->data->all_multicast = 0;
+
 	diag = dev->dev_ops->allmulticast_disable(dev);
-	if (diag != 0)
-		dev->data->all_multicast = 1;
+	if (!diag)
+		dev->data->all_multicast = 0;
 
 	diag = eth_err(port_id, diag);
 
-- 
2.19.0.rc0.windows.1