From c2c6b2f17b921e51878f7f253256dcddd5e8048f Mon Sep 17 00:00:00 2001
From: tswaehn <sven.ginka@gmail.com>
Date: Sat, 8 Jan 2022 14:50:44 +0100
Subject: [PATCH] fix: device_manager not found => SIGSEV

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

diff --git a/dbus/gattlib.c b/dbus/gattlib.c
index d63a19c..627cf2a 100644
--- a/dbus/gattlib.c
+++ b/dbus/gattlib.c
@@ -205,6 +205,9 @@ gatt_connection_t *gattlib_connect(void* adapter, const char *dst, unsigned long
 
 	// Get list of objects belonging to Device Manager
 	device_manager = get_device_manager_from_adapter(conn_context->adapter);
+    if (device_manager == NULL) {
+        goto FREE_DEVICE;
+    }
 	conn_context->dbus_objects = g_dbus_object_manager_get_objects(device_manager);
 
 	// Set up a new GMainLoop to handle notification/indication events.