From bd6528620f57fdc23cb4957f0879fb7301729198 Mon Sep 17 00:00:00 2001
From: Hanjie Wu <hanjiew@andrew.cmu.edu>
Date: Mon, 18 Dec 2023 03:21:08 -0500
Subject: fix readDataFrom

---
 src/SocketCore.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SocketCore.cc b/src/SocketCore.cc
index 37f6b397..efb5fc6a 100644
--- a/src/SocketCore.cc
+++ b/src/SocketCore.cc
@@ -1227,7 +1227,7 @@ ssize_t SocketCore::readDataFrom(void* data, size_t len, Endpoint& sender)
   socklen_t sockaddrlen = sizeof(sockaddr);
   ssize_t r;
   r = readDataFrom(data, len, sockaddr, sockaddrlen);
-  if (r != -1) {
+  if (r > 0 || (r == 0 && wantRead_ == false)) {
     sender = util::getNumericNameInfo(&sockaddr.sa, sockaddrlen);
   }
   return r;
-- 
cgit