Re: [PATCHv2 7/7] IPVTAP: IP-VLAN based tap driver

From: Sainath Grandhi <redacted>
Date: Tue, 17 Jan 2017 16:03:06 -0800

+static void ipvtap_count_tx_dropped(struct tap_dev *tap)
+{
+	struct ipvl_dev *vlan = (struct ipvl_dev *)container_of(tap, struct ipvtap_dev, tap);

 ...

+static void ipvtap_count_rx_dropped(struct tap_dev *tap)
+{
+	struct ipvl_dev *vlan = (struct ipvl_dev *)container_of(tap, struct ipvtap_dev, tap);

 ...

+static void ipvtap_update_features(struct tap_dev *tap,
+				   netdev_features_t features)
+{
+	struct ipvl_dev *vlan = (struct ipvl_dev *)container_of(tap, struct ipvtap_dev, tap);

More unnecessary casts, please remove.