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-rw-r--r--cpp/src/qpid/sys/rdma/RdmaIO.cpp18
1 files changed, 14 insertions, 4 deletions
diff --git a/cpp/src/qpid/sys/rdma/RdmaIO.cpp b/cpp/src/qpid/sys/rdma/RdmaIO.cpp
index e082fdc416..b5cedf3d70 100644
--- a/cpp/src/qpid/sys/rdma/RdmaIO.cpp
+++ b/cpp/src/qpid/sys/rdma/RdmaIO.cpp
@@ -634,10 +634,20 @@ namespace Rdma {
break;
case RDMA_CM_EVENT_REJECTED: {
// CONNECTING
- // Extract private data from event
- assert(conn_param.private_data && conn_param.private_data_len >= sizeof(NConnectionParams));
- const NConnectionParams* rcp = static_cast<const NConnectionParams*>(conn_param.private_data);
- ConnectionParams cp = *rcp;
+
+ // We can get this event if our peer is not running on the other side
+ // in this case we could get nearly anything in the private data:
+ // From private_data == 0 && private_data_len == 0 (Chelsio iWarp)
+ // to 148 bytes of zeros (Mellanox IB)
+ //
+ // So assume that if the the private data is absent or not the size of
+ // the connection parameters it isn't valid
+ ConnectionParams cp(0, 0, 0);
+ if (conn_param.private_data && conn_param.private_data_len == sizeof(NConnectionParams)) {
+ // Extract private data from event
+ const NConnectionParams* rcp = static_cast<const NConnectionParams*>(conn_param.private_data);
+ cp = *rcp;
+ }
rejectedCallback(ci, cp);
break;
}