Make sure that the pvt structure exists before trying to do fixup on Local channels...

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 84fd9d220f7a3aba66b4f57996b65f365affa858..29c856573124bdcae97bfce596e0e15f5a7dcf64 100644 (file)
--- 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)) {