From 88479ac51859b7b7cfeddccfed11e683991862cb Mon Sep 17 00:00:00 2001
From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Sat, 21 Oct 2017 13:09:06 +0200
Subject: [PATCH] Fix a shadowed variable wrt EINTR handling in
 isTCPSocketUsable()

This would have prevented us from looping as long as we keep getting
interrupted.
Reported by GCC with -Wshadow enabled.
---
 pdns/iputils.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdns/iputils.cc b/pdns/iputils.cc
index 6549431d1..d6facc029 100644
--- a/pdns/iputils.cc
+++ b/pdns/iputils.cc
@@ -425,7 +425,7 @@ bool isTCPSocketUsable(int sock)
       return false;
     }
     else {
-      int err = errno;
+      err = errno;
 
       if (err == EAGAIN || err == EWOULDBLOCK) {
         /* socket is usable, no data waiting */
-- 
2.40.0