Merge branch 'master' into windows
[ardour.git] / libs / ardour / io.cc
index 4e080b06d86953de5ddc0ef7be1edcec155481f0..1349d49a0ce1c36667c4cff1b57f151ebd188778 100644 (file)
@@ -1645,7 +1645,9 @@ IO::process_input (boost::shared_ptr<Processor> proc, framepos_t start_frame, fr
        }
 
        _buffers.get_jack_port_addresses (_ports, nframes);
-       proc->run (_buffers, start_frame, end_frame, nframes, true);
+       if (proc) {
+               proc->run (_buffers, start_frame, end_frame, nframes, true);
+       }
 }
 
 void