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-rw-r--r--src/socket_base.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/socket_base.cpp b/src/socket_base.cpp
index 4cefb6f..abeddb9 100644
--- a/src/socket_base.cpp
+++ b/src/socket_base.cpp
@@ -619,7 +619,9 @@ zmq::session_t *zmq::socket_base_t::find_session (const blob_t &name_)
session_t *session = it->second;
// Prepare the session for subsequent attach command.
- session->inc_seqnum ();
+ // Note the connect sessions have NULL pointers registered here.
+ if (session)
+ session->inc_seqnum ();
sessions_sync.unlock ();
return session;