From 5bf61ca7edb658737f3ccbaed0a99f4779d329bb Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Sat, 5 Aug 2017 23:08:35 -0400
Subject: Check for multi backend before using it

---
 backend/multi/backend.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'backend')

diff --git a/backend/multi/backend.c b/backend/multi/backend.c
index a5913f5d..19839629 100644
--- a/backend/multi/backend.c
+++ b/backend/multi/backend.c
@@ -66,6 +66,10 @@ struct wlr_backend *wlr_multi_backend_create(struct wlr_session *session,
 	return backend;
 }
 
+bool wlr_backend_is_multi(struct wlr_backend *b) {
+	return b->impl == &backend_impl;
+}
+
 static void input_add_reemit(struct wl_listener *listener, void *data) {
 	struct subbackend_state *state = wl_container_of(listener,
 			state, input_add);
-- 
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