From c60ef75070aeb5686f0c368b1ff6a7c01bbedeb4 Mon Sep 17 00:00:00 2001
From: Jitpanu Maneeratpongsuk <jitpanu.maneeratpongsuk@rwth-aachen.de>
Date: Thu, 30 Jan 2025 15:07:12 +0000
Subject: [PATCH] fix: Broken error checking

Signed-off-by: Jitpanu Maneeratpongsuk <jitpanu.maneeratpongsuk@rwth-aachen.de>
---
 lib/nodes/socket.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/nodes/socket.cpp b/lib/nodes/socket.cpp
index 09c356a83..092959ceb 100644
--- a/lib/nodes/socket.cpp
+++ b/lib/nodes/socket.cpp
@@ -340,7 +340,7 @@ int villas::node::socket_stop(NodeCompat *n) {
   if (s->sd >= 0) {
     // Close client socket descriptor.
     if (s->layer == SocketLayer::TCP_SERVER) {
-      close(s->clt_sd);
+      ret = close(s->clt_sd);
       if (ret)
         throw SystemError("Failed to close TCP client socket descriptor");
     }