From 7303e1380880c5506397bbd01db2cdff295c1cf2 Mon Sep 17 00:00:00 2001
From: Simon Ser <contact@emersion.fr>
Date: Tue, 21 Feb 2023 12:52:20 +0100
Subject: [PATCH] backend: avoid adding NULL backend in
 attempt_backend_by_name()

---
 backend/backend.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/backend/backend.c b/backend/backend.c
index 733a6ffd..c84cb063 100644
--- a/backend/backend.c
+++ b/backend/backend.c
@@ -277,6 +277,9 @@ static bool attempt_backend_by_name(struct wl_display *display,
 		wlr_log(WLR_ERROR, "unrecognized backend '%s'", name);
 		return false;
 	}
+	if (backend == NULL) {
+		return false;
+	}
 
 	return wlr_multi_backend_add(multi, backend);
 }