Fix Preload with nil pointer

callbacks.go

@@ -110,7 +110,6 @@ func (p *processor) Execute(db *DB) {
 		for stmt.ReflectValue.Kind() == reflect.Ptr {
 			if stmt.ReflectValue.IsNil() && stmt.ReflectValue.CanAddr() {
 				stmt.ReflectValue.Set(reflect.New(stmt.ReflectValue.Type().Elem()))
-				break
 			}
 
 			stmt.ReflectValue = stmt.ReflectValue.Elem()

callbacks/preload.go

@@ -27,7 +27,6 @@ func preload(db *gorm.DB, rel *schema.Relationship, conds []interface{}, preload
 	})
 
 	if rel.JoinTable != nil {
-
 		var (
 			joinForeignFields    = make([]*schema.Field, 0, len(rel.References))
 			joinRelForeignFields = make([]*schema.Field, 0, len(rel.References))

tests/preload_test.go

@@ -63,12 +63,15 @@ func TestNestedPreload(t *testing.T) {
 
 	var user2 User
 	DB.Preload("Pets.Toy").Find(&user2, "id = ?", user.ID)
-
 	CheckUser(t, user2, user)
 
 	var user3 User
 	DB.Preload(clause.Associations+"."+clause.Associations).Find(&user3, "id = ?", user.ID)
 	CheckUser(t, user3, user)
+
+	var user4 *User
+	DB.Preload("Pets.Toy").Find(&user4, "id = ?", user.ID)
+	CheckUser(t, *user4, user)
 }
 
 func TestNestedPreloadForSlice(t *testing.T) {