zmq_msg_move called on uninitialised message in xrep_t::xrecv -- fixed

1 files changed, 4 insertions, 3 deletions

diff --git a/src/xrep.cpp b/src/xrep.cpp
index 5fd6cbb..f50e32e 100644
--- a/src/xrep.cpp
+++ b/src/xrep.cpp
@@ -190,9 +190,7 @@ int zmq::xrep_t::xsend (zmq_msg_t *msg_, int flags_)
 
 int zmq::xrep_t::xrecv (zmq_msg_t *msg_, int flags_)
 {
-    //  Deallocate old content of the message.
-    zmq_msg_close (msg_);
-
+    //  If there is a prefetched message, return it.
     if (prefetched) {
         zmq_msg_move (msg_, &prefetched_msg);
         more_in = msg_->flags & ZMQ_MSG_MORE;
@@ -200,6 +198,9 @@ int zmq::xrep_t::xrecv (zmq_msg_t *msg_, int flags_)
         return 0;
     }
 
+    //  Deallocate old content of the message.
+    zmq_msg_close (msg_);
+
     //  If we are in the middle of reading a message, just grab next part of it.
     if (more_in) {
         zmq_assert (inpipes [current_in].active);