net: make dev_disable_lro use physical device if passed a vlan dev (v2)
If the device passed into dev_disable_lro is a vlan, then repoint the dev
poniter so that we actually modify the underlying physical device.
Signed-of-by: Neil Horman <nhorman@tuxdriver.com>
CC: davem@davemloft.net
CC: bhutchings@solarflare.com
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index ec11d75..c7e305d 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1308,6 +1308,13 @@
{
u32 flags;
+ /*
+ * If we're trying to disable lro on a vlan device
+ * use the underlying physical device instead
+ */
+ if (is_vlan_dev(dev))
+ dev = vlan_dev_real_dev(dev);
+
if (dev->ethtool_ops && dev->ethtool_ops->get_flags)
flags = dev->ethtool_ops->get_flags(dev);
else