switchdev: make struct switchdev_attr parameter const for attr_set calls

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/rocker/rocker.c

@@ -4374,7 +4374,7 @@ static int rocker_port_bridge_ageing_time(struct rocker_port *rocker_port,
 }
 
 static int rocker_port_attr_set(struct net_device *dev,
-				struct switchdev_attr *attr,
+				const struct switchdev_attr *attr,
 				struct switchdev_trans *trans)
 {
 	struct rocker_port *rocker_port = netdev_priv(dev);

include/net/switchdev.h

@@ -132,7 +132,7 @@ struct switchdev_ops {
 	int	(*switchdev_port_attr_get)(struct net_device *dev,
 					   struct switchdev_attr *attr);
 	int	(*switchdev_port_attr_set)(struct net_device *dev,
-					   struct switchdev_attr *attr,
+					   const struct switchdev_attr *attr,
 					   struct switchdev_trans *trans);
 	int	(*switchdev_port_obj_add)(struct net_device *dev,
 					  const struct switchdev_obj *obj,
@@ -171,7 +171,7 @@ void switchdev_deferred_process(void);
 int switchdev_port_attr_get(struct net_device *dev,
 			    struct switchdev_attr *attr);
 int switchdev_port_attr_set(struct net_device *dev,
-			    struct switchdev_attr *attr);
+			    const struct switchdev_attr *attr);
 int switchdev_port_obj_add(struct net_device *dev,
 			   const struct switchdev_obj *obj);
 int switchdev_port_obj_del(struct net_device *dev,
@@ -220,7 +220,7 @@ static inline int switchdev_port_attr_get(struct net_device *dev,
 }
 
 static inline int switchdev_port_attr_set(struct net_device *dev,
-					  struct switchdev_attr *attr)
+					  const struct switchdev_attr *attr)
 {
 	return -EOPNOTSUPP;
 }

net/dsa/slave.c

@@ -453,7 +453,7 @@ static int dsa_slave_stp_update(struct net_device *dev, u8 state)
 }
 
 static int dsa_slave_port_attr_set(struct net_device *dev,
-				   struct switchdev_attr *attr,
+				   const struct switchdev_attr *attr,
 				   struct switchdev_trans *trans)
 {
 	struct dsa_slave_priv *p = netdev_priv(dev);

net/switchdev/switchdev.c

@@ -215,7 +215,7 @@ int switchdev_port_attr_get(struct net_device *dev, struct switchdev_attr *attr)
 EXPORT_SYMBOL_GPL(switchdev_port_attr_get);
 
 static int __switchdev_port_attr_set(struct net_device *dev,
-				     struct switchdev_attr *attr,
+				     const struct switchdev_attr *attr,
 				     struct switchdev_trans *trans)
 {
 	const struct switchdev_ops *ops = dev->switchdev_ops;
@@ -274,7 +274,7 @@ static void switchdev_port_attr_set_work(struct work_struct *work)
 }
 
 static int switchdev_port_attr_set_defer(struct net_device *dev,
-					 struct switchdev_attr *attr)
+					 const struct switchdev_attr *attr)
 {
 	struct switchdev_attr_set_work *asw;
 
@@ -303,7 +303,8 @@ static int switchdev_port_attr_set_defer(struct net_device *dev,
  *	system is not left in a partially updated state due to
  *	failure from driver/device.
  */
-int switchdev_port_attr_set(struct net_device *dev, struct switchdev_attr *attr)
+int switchdev_port_attr_set(struct net_device *dev,
+			    const struct switchdev_attr *attr)
 {
 	struct switchdev_trans trans;
 	int err;