From: Mark Michelson Date: Thu, 10 Apr 2008 19:55:33 +0000 (+0000) Subject: Be sure that we're not about to set bridgepvt NULL prior to dereferencing it. X-Git-Tag: 1.4.20-rc1~72 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=98b06bace462be37655574042f7e9d4338a6f75c;p=thirdparty%2Fasterisk.git Be sure that we're not about to set bridgepvt NULL prior to dereferencing it. (closes issue #11775) Reported by: fujin git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@114045 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- diff --git a/channels/chan_sip.c b/channels/chan_sip.c index ef7e5171b2..c21815e231 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -14158,7 +14158,7 @@ static int handle_request_invite(struct sip_pvt *p, struct sip_request *req, int struct ast_channel *bridgepeer = NULL; struct sip_pvt *bridgepvt = NULL; if ((bridgepeer = ast_bridged_channel(p->owner))) { - if (bridgepeer->tech == &sip_tech || bridgepeer->tech == &sip_tech_info) { + if ((bridgepeer->tech == &sip_tech || bridgepeer->tech == &sip_tech_info) && !ast_check_hangup(bridgepeer)) { bridgepvt = (struct sip_pvt*)bridgepeer->tech_pvt; /* Does the bridged peer have T38 ? */ if (bridgepvt->t38.state == T38_ENABLED) {