call manager_event only if there is not null channel structure

(Closes issue ASTERISK-19298)
Reported by: robinfood
Patches:
        issue19298.patch uploaded by may213 (License #5415)
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Merged revisions 355136 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 355137 from http://svn.asterisk.org/svn/asterisk/branches/10

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@355138 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/addons/chan_ooh323.c b/addons/chan_ooh323.c
index 9e550fe..74b7a2f 100644 (file)
--- a/addons/chan_ooh323.c
+++ b/addons/chan_ooh323.c
@@ -476,8 +476,11 @@ static struct ast_channel *ooh323_new(struct ooh323_pvt *i, int state,
                        } 
                }
 
-               manager_event(EVENT_FLAG_SYSTEM, "ChannelUpdate", "Channel: %s\r\nChanneltype: %s\r\n"
+               if (ch) {
+                       manager_event(EVENT_FLAG_SYSTEM, "ChannelUpdate", 
+                               "Channel: %s\r\nChanneltype: %s\r\n"
                                "CallRef: %d\r\n", ast_channel_name(ch), "OOH323", i->call_reference);
+               }
        } else
                ast_log(LOG_WARNING, "Unable to allocate channel structure\n");