Prevent undef warnings on perl socket read nbytes test

Signed-off-by: Bill Erickson <berick@esilibrary.com>

diff --git a/src/perl/lib/OpenSRF/Transport/SlimJabber/XMPPReader.pm b/src/perl/lib/OpenSRF/Transport/SlimJabber/XMPPReader.pm
index b8a5da1..b68e418 100644 (file)
--- a/src/perl/lib/OpenSRF/Transport/SlimJabber/XMPPReader.pm
+++ b/src/perl/lib/OpenSRF/Transport/SlimJabber/XMPPReader.pm
@@ -226,7 +226,7 @@ sub wait {
         $first_read = 0;
     }
 
-    if ($nbytes == 0 and $first_read) {
+    if ($first_read and defined $nbytes and $nbytes == 0) {
         # if the first read on an active socket is 0 bytes, 
         # the socket has been disconnected from the remote end. 
         $logger->error("Disconnected from Jabber server");