Index: head/sys/dev/hyperv/vmbus/vmbus.c
===================================================================
--- head/sys/dev/hyperv/vmbus/vmbus.c
+++ head/sys/dev/hyperv/vmbus/vmbus.c
@@ -1202,6 +1202,7 @@
 	}
 	free(sc->vmbus_chmap, M_DEVBUF);
 	mtx_destroy(&sc->vmbus_scan_lock);
+	mtx_destroy(&sc->vmbus_chlist_lock);
 
 	return (ret);
 }
@@ -1283,6 +1284,8 @@
 
 	free(sc->vmbus_chmap, M_DEVBUF);
 	mtx_destroy(&sc->vmbus_scan_lock);
+	mtx_destroy(&sc->vmbus_chlist_lock);
+
 	return (0);
 }