[asterisk-commits] mmichelson: branch 1.4 r114045 - /branches/1.4/channels/chan_sip.c

[SVN commits to the Asterisk project]

Author: mmichelson
Date: Thu Apr 10 14:55:33 2008
New Revision: 114045

URL: http://svn.digium.com/view/asterisk?view=rev&rev=114045
Log:
Be sure that we're not about to set bridgepvt NULL prior to dereferencing it.

(closes issue #11775)
Reported by: fujin


Modified:
    branches/1.4/channels/chan_sip.c

Modified: branches/1.4/channels/chan_sip.c
URL: http://svn.digium.com/view/asterisk/branches/1.4/channels/chan_sip.c?view=diff&rev=114045&r1=114044&r2=114045
==============================================================================
--- branches/1.4/channels/chan_sip.c (original)
+++ branches/1.4/channels/chan_sip.c Thu Apr 10 14:55:33 2008
@@ -14158,7 +14158,7 @@
 				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) {