From 67737f1d4a6c9345c731551a4d8d5fc21475a050 Mon Sep 17 00:00:00 2001
From: Corentin Wallez <cwallez@chromium.org>
Date: Fri, 7 Dec 2018 16:25:36 +0000
Subject: [PATCH] WireServer: Don't allow freeing the Device

BUG=chromium:907278
BUG=chromium:911155

Change-Id: I6ec721b34b214bb242ac0d217e6ab12832c7323a
Reviewed-on: https://dawn-review.googlesource.com/c/2842
Reviewed-by: Stephen White <senorblanco@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
---
 generator/templates/dawn_wire/WireServer.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/generator/templates/dawn_wire/WireServer.cpp b/generator/templates/dawn_wire/WireServer.cpp
index af34f6eb05..34a2daad8d 100644
--- a/generator/templates/dawn_wire/WireServer.cpp
+++ b/generator/templates/dawn_wire/WireServer.cpp
@@ -625,6 +625,12 @@ namespace dawn_wire {
                     //* reference / release and only send destroy on refcount = 0.
                     {% set Suffix = as_MethodSuffix(type.name, Name("destroy")) %}
                     bool Handle{{Suffix}}(const char** commands, size_t* size) {
+
+                        //* Freeing the device has to be done out of band.
+                        {% if type.name.canonical_case() == "device" %}
+                            return false;
+                        {% endif %}
+
                         const auto* cmd = GetCommand<{{Suffix}}Cmd>(commands, size);
                         if (cmd == nullptr) {
                             return false;