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path: root/drivers/net/ehea/ehea_ethtool.c
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Diffstat (limited to 'drivers/net/ehea/ehea_ethtool.c')
-rw-r--r--drivers/net/ehea/ehea_ethtool.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ehea/ehea_ethtool.c b/drivers/net/ehea/ehea_ethtool.c
index afebf2075779..3e2e734fecb7 100644
--- a/drivers/net/ehea/ehea_ethtool.c
+++ b/drivers/net/ehea/ehea_ethtool.c
@@ -265,6 +265,13 @@ static void ehea_get_ethtool_stats(struct net_device *dev,
static int ehea_set_flags(struct net_device *dev, u32 data)
{
+ /* Avoid changing the VLAN flags */
+ if ((data & (ETH_FLAG_RXVLAN | ETH_FLAG_TXVLAN)) !=
+ (ethtool_op_get_flags(dev) & (ETH_FLAG_RXVLAN |
+ ETH_FLAG_TXVLAN))){
+ return -EINVAL;
+ }
+
return ethtool_op_set_flags(dev, data, ETH_FLAG_LRO
| ETH_FLAG_TXVLAN
| ETH_FLAG_RXVLAN);