switchdev: move transaction phase enum under transaction structure

Before it disappears completely, move transaction phase enum under
transaction structure and make attr/obj structures a bit cleaner.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 35e2967..d1c7d51 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -240,7 +240,7 @@
 	 * but should not commit the attr.
 	 */
 
-	attr->trans_ph = SWITCHDEV_TRANS_PREPARE;
+	trans.ph = SWITCHDEV_TRANS_PREPARE;
 	err = __switchdev_port_attr_set(dev, attr, &trans);
 	if (err) {
 		/* Prepare phase failed: abort the transaction.  Any
@@ -249,7 +249,7 @@
 		 */
 
 		if (err != -EOPNOTSUPP) {
-			attr->trans_ph = SWITCHDEV_TRANS_ABORT;
+			trans.ph = SWITCHDEV_TRANS_ABORT;
 			__switchdev_port_attr_set(dev, attr, &trans);
 			switchdev_trans_items_destroy(&trans);
 		}
@@ -262,7 +262,7 @@
 	 * because the driver said everythings was OK in phase I.
 	 */
 
-	attr->trans_ph = SWITCHDEV_TRANS_COMMIT;
+	trans.ph = SWITCHDEV_TRANS_COMMIT;
 	err = __switchdev_port_attr_set(dev, attr, &trans);
 	WARN(err, "%s: Commit of attribute (id=%d) failed.\n",
 	     dev->name, attr->id);
@@ -326,7 +326,7 @@
 	 * but should not commit the obj.
 	 */
 
-	obj->trans_ph = SWITCHDEV_TRANS_PREPARE;
+	trans.ph = SWITCHDEV_TRANS_PREPARE;
 	err = __switchdev_port_obj_add(dev, obj, &trans);
 	if (err) {
 		/* Prepare phase failed: abort the transaction.  Any
@@ -335,7 +335,7 @@
 		 */
 
 		if (err != -EOPNOTSUPP) {
-			obj->trans_ph = SWITCHDEV_TRANS_ABORT;
+			trans.ph = SWITCHDEV_TRANS_ABORT;
 			__switchdev_port_obj_add(dev, obj, &trans);
 			switchdev_trans_items_destroy(&trans);
 		}
@@ -348,7 +348,7 @@
 	 * because the driver said everythings was OK in phase I.
 	 */
 
-	obj->trans_ph = SWITCHDEV_TRANS_COMMIT;
+	trans.ph = SWITCHDEV_TRANS_COMMIT;
 	err = __switchdev_port_obj_add(dev, obj, &trans);
 	WARN(err, "%s: Commit of object (id=%d) failed.\n", dev->name, obj->id);
 	switchdev_trans_items_warn_destroy(dev, &trans);