1 files changed, 6 insertions, 2 deletions
diff --git a/src/socket.c b/src/socket.c
index 8b25073..6c56817 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -423,16 +423,20 @@ register_socket (int socktype, int fd)
   return 0;
 }
 
-int
+void
 disable_socket (int fd)
 {
+  if (fd < 0)
+    return;
   debug (2, (_("disabling fd %d"), fd));
   FD_CLR (fd, &listenset);
 }
 
-int
+void
 enable_socket (int fd)
 {
+  if (fd < 0)
+    return;
   debug (2, (_("enabling fd %d"), fd));
   FD_SET (fd, &listenset);
 }