dnsdist: Properly close the cross-connections pipes in case of error

diff --git a/pdns/dnsdist-tcp.cc b/pdns/dnsdist-tcp.cc
index 7673eaacc6970f268f55b303d73f86d5014e4ba7..4e0fdec163c05c7ffe32e871704fc6eff9b9e7b8 100644 (file)
--- a/pdns/dnsdist-tcp.cc
+++ b/pdns/dnsdist-tcp.cc
@@ -178,6 +178,8 @@ void TCPClientCollection::addTCPClientThread()
 
     if (d_numthreads >= d_tcpclientthreads.size()) {
       vinfolog("Adding a new TCP client thread would exceed the vector size (%d/%d), skipping. Consider increasing the maximum amount of TCP client threads with setMaxTCPClientThreads() in the configuration.", d_numthreads.load(), d_tcpclientthreads.size());
+      close(crossProtocolFDs[0]);
+      close(crossProtocolFDs[1]);
       close(pipefds[0]);
       close(pipefds[1]);
       return;