rootston: handle backend creation failed

1 files changed, 7 insertions, 0 deletions

diff --git a/rootston/main.c b/rootston/main.c
index aa20dbba..2f913272 100644
--- a/rootston/main.c
+++ b/rootston/main.c
@@ -5,6 +5,7 @@
 #include <wayland-server.h>
 #include <wlr/backend.h>
 #include <wlr/backend/headless.h>
+#include <wlr/backend/multi.h>
 #include <wlr/render.h>
 #include <wlr/render/gles2.h>
 #include <wlr/util/log.h>
@@ -32,6 +33,12 @@ int main(int argc, char **argv) {
 
 	assert(server.backend = wlr_backend_autocreate(server.wl_display));
 
+	if (wlr_multi_is_empty(server.backend)) {
+		wlr_log(L_ERROR, "could not start backend");
+		wlr_backend_destroy(server.backend);
+		return 1;
+	}
+
 	assert(server.renderer = wlr_gles2_renderer_create(server.backend));
 	server.data_device_manager =
 		wlr_data_device_manager_create(server.wl_display);