From 4ebd6f35070ba5a9a84f279dbe854613f415d468 Mon Sep 17 00:00:00 2001
From: Dan Robertson <danlrobertson89@gmail.com>
Date: Wed, 9 May 2018 16:32:55 +0000
Subject: [PATCH] Fix null deref in server_init

If the backend fails to be created, log an error and immidiately return
from server_init.
---
 sway/server.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sway/server.c b/sway/server.c
index 2793ca70..8c41ee87 100644
--- a/sway/server.c
+++ b/sway/server.c
@@ -48,6 +48,10 @@ bool server_init(struct sway_server *server) {
 	server->wl_event_loop = wl_display_get_event_loop(server->wl_display);
 	server->backend = wlr_backend_autocreate(server->wl_display);
 
+	if (!server->backend) {
+		wlr_log(L_ERROR, "Unable to create backend");
+		return false;
+	}
 	struct wlr_renderer *renderer = wlr_backend_get_renderer(server->backend);
 	assert(renderer);