From 8c2bf116f58e7bd4ad8fae6cd6f7bd25da72abf5 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Fri, 22 Sep 2023 08:26:22 -0600
Subject: [PATCH] fix crash when using OSC in a session with no master bus and
 no stripables selected

---
 libs/surfaces/osc/osc.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libs/surfaces/osc/osc.cc b/libs/surfaces/osc/osc.cc
index 824c4312aa..345437810c 100644
--- a/libs/surfaces/osc/osc.cc
+++ b/libs/surfaces/osc/osc.cc
@@ -4757,6 +4757,9 @@ OSC::_strip_select2 (std::shared_ptr<Stripable> s, OSCSurface *sur, lo_address a
 		}
 		_select = s;
 	}
+	if (!s) {
+		return 0;
+	}
 	if (s != old_sel) {
 		sur->select = s;
 	}