IB/core: A small refactor in destroy WQ handler

Instead of having uverbs_uobject_put both in the error flow and the
good flow, we unite them.

Fixes: fd3c7904 ('IB/core: Change idr objects to use the new schema')
Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/core/uverbs_cmd.c

@@ -2989,18 +2989,12 @@ int ib_uverbs_ex_destroy_wq(struct ib_uverbs_file *file,
 	uverbs_uobject_get(uobj);
 
 	ret = uobj_remove_commit(uobj);
-	if (ret) {
-		uverbs_uobject_put(uobj);
-		return ret;
-	}
-
 	resp.events_reported = obj->uevent.events_reported;
 	uverbs_uobject_put(uobj);
-	ret = ib_copy_to_udata(ucore, &resp, resp.response_length);
 	if (ret)
 		return ret;
 
-	return 0;
+	return ib_copy_to_udata(ucore, &resp, resp.response_length);
 }
 
 int ib_uverbs_ex_modify_wq(struct ib_uverbs_file *file,