diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index 9123f1635843..1ffed7b74d3f 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -1073,6 +1073,9 @@ int gether_set_dev_addr(struct net_device *net, const char *dev_addr)
 	struct eth_dev *dev;
 	u8 new_addr[ETH_ALEN];
 
+	if (!net)
+		return -ENODEV;
+
 	dev = netdev_priv(net);
 	if (get_ether_addr(dev_addr, new_addr))
 		return -EINVAL;
@@ -1085,6 +1088,9 @@ int gether_get_dev_addr(struct net_device *net, char *dev_addr, int len)
 {
 	struct eth_dev *dev;
 
+	if (!net)
+		return -ENODEV;
+
 	dev = netdev_priv(net);
 	return get_ether_addr_str(dev->dev_mac, dev_addr, len);
 }
@@ -1095,6 +1101,9 @@ int gether_set_host_addr(struct net_device *net, const char *host_addr)
 	struct eth_dev *dev;
 	u8 new_addr[ETH_ALEN];
 
+	if (!net)
+		return -ENODEV;
+
 	dev = netdev_priv(net);
 	if (get_ether_addr(host_addr, new_addr))
 		return -EINVAL;
@@ -1107,6 +1116,9 @@ int gether_get_host_addr(struct net_device *net, char *host_addr, int len)
 {
 	struct eth_dev *dev;
 
+	if (!net)
+		return -ENODEV;
+
 	dev = netdev_priv(net);
 	return get_ether_addr_str(dev->host_mac, host_addr, len);
 }
@@ -1139,6 +1151,9 @@ void gether_set_qmult(struct net_device *net, unsigned qmult)
 {
 	struct eth_dev *dev;
 
+	if (!net)
+		return;
+
 	dev = netdev_priv(net);
 	dev->qmult = qmult;
 }
@@ -1148,6 +1163,9 @@ unsigned gether_get_qmult(struct net_device *net)
 {
 	struct eth_dev *dev;
 
+	if (!net)
+		return -ENODEV;
+
 	dev = netdev_priv(net);
 	return dev->qmult;
 }
@@ -1155,6 +1173,9 @@ EXPORT_SYMBOL_GPL(gether_get_qmult);
 
 int gether_get_ifname(struct net_device *net, char *name, int len)
 {
+	if (!net)
+		return -ENODEV;
+
 	rtnl_lock();
 	strlcpy(name, netdev_name(net), len);
 	rtnl_unlock();