From: Joshua Colp <jcolp@digium.com>
Date: Wed, 15 Nov 2006 22:29:30 +0000 (+0000)
Subject: Make sure that the pvt structure exists before trying to do fixup on Local channels... 
X-Git-Tag: 1.2.14~51
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3de4d365324a239274a8226e26950bc4d2e1fa6;p=thirdparty%2Fasterisk.git

Make sure that the pvt structure exists before trying to do fixup on Local channels. (issue #7937 reported by mada123, fix by alamantia with mods by me)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@47711 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_local.c b/channels/chan_local.c
index 84fd9d220f..29c8565731 100644
--- a/channels/chan_local.c
+++ b/channels/chan_local.c
@@ -263,6 +263,10 @@ static int local_write(struct ast_channel *ast, struct ast_frame *f)
 static int local_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
 {
 	struct local_pvt *p = newchan->tech_pvt;
+
+	if (!p)
+		return -1;
+
 	ast_mutex_lock(&p->lock);
 
 	if ((p->owner != oldchan) && (p->chan != oldchan)) {