From cd3ef82ba453f32c56afb7b8346b7610316ce565 Mon Sep 17 00:00:00 2001 From: "Kevin P. Fleming" Date: Wed, 25 Apr 2007 22:24:59 +0000 Subject: [PATCH] handle a very bizarre race condition with channels being redirected before a simple switch can be started on them (issue #9286) git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@61913 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- channels/chan_zap.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/channels/chan_zap.c b/channels/chan_zap.c index 755e80661b..e67a73cc21 100644 --- a/channels/chan_zap.c +++ b/channels/chan_zap.c @@ -5389,6 +5389,16 @@ static void *ss_thread(void *data) int len = 0; int res; int index; + + /* in the bizarre case where the channel has become a zombie before we + even get started here, abort safely + */ + if (!p) { + ast_log(LOG_WARNING, "Channel became a zombie before simple switch could be started (%s)\n", chan->name); + ast_hangup(chan); + return NULL; + } + if (option_verbose > 2) ast_verbose( VERBOSE_PREFIX_3 "Starting simple switch on '%s'\n", chan->name); index = zt_get_index(chan, p, 1); -- 2.47.2