return -1 (DONE flag) if source or sink sees an error

[debian/gnuradio] / gr-usrp2 / src / usrp2_sink_32fc.cc

diff --git a/gr-usrp2/src/usrp2_sink_32fc.cc b/gr-usrp2/src/usrp2_sink_32fc.cc
index fbb56e70706b23b341e9bcfd620bc62dc08cee2b..f630c964bbb88cc28e3ec2c249f60b6b3546cb02 100644 (file)
--- a/gr-usrp2/src/usrp2_sink_32fc.cc
+++ b/gr-usrp2/src/usrp2_sink_32fc.cc
@@ -64,8 +64,10 @@ usrp2_sink_32fc::work(int noutput_items,
 
   bool ok = d_u2->tx_32fc(0,  // FIXME: someday, streams will have channel numbers
                          in, noutput_items, &metadata);
-  if (!ok)
+  if (!ok){
     std::cerr << "usrp2_sink_32fc: tx_32fc failed" << std::endl;
+    return -1; // say we're done
+  }
 
   return noutput_items;
 }