collector: extra check on close_snmp_session()

To avoid: Can't call method "close" on an undefined value Signed-off-by: Jesper Dangaard Brouer <hawk@comx.dk>
netoptimizer · Jun 1, 2011 · bfe3739 · bfe3739
1 parent a48af2b
commit bfe3739
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/collector/lib/IPTV/Analyzer/snmptrap.pm b/collector/lib/IPTV/Analyzer/snmptrap.pm
@@ -68,7 +68,9 @@ sub open_snmp_session($$)
 
 sub close_snmp_session()
 {
-    $snmp_session->close();
+    if (defined $snmp_session) {
+	$snmp_session->close();
+    }
     $snmp_session = undef;
 }