From da43df2df0bf504dbdbc472878b7128813118413 Mon Sep 17 00:00:00 2001
From: Christopher Faylor <me@cgf.cx>
Date: Mon, 1 Sep 2003 16:47:03 +0000
Subject: * net.cc (dup_ent): Restore check for NULL input.

---
 winsup/cygwin/net.cc | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'winsup/cygwin/net.cc')

diff --git a/winsup/cygwin/net.cc b/winsup/cygwin/net.cc
index 79adfc3f6..b888ab60c 100644
--- a/winsup/cygwin/net.cc
+++ b/winsup/cygwin/net.cc
@@ -449,6 +449,9 @@ dup_ent (void *old, void *src0, struct_type type)
       free (old);
     }
 
+  if (!src0)
+    return NULL;
+
   unionent *src = (unionent *) src0;
   debug_printf ("duping %sent \"%s\", %p", entnames[type],
 		src ? src->name : "<null!>", src);
-- 
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