Don't crash when bridge->tech_pvt == NULL

This is a similar solution to what is in place for chan_agent

(closes issue #16003)
Reported by: atis
Tested by: twilson

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@229015 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_local.c b/channels/chan_local.c
index f26084b..4533753 100644 (file)
--- a/channels/chan_local.c
+++ b/channels/chan_local.c
@@ -183,6 +183,12 @@ static struct ast_channel *local_bridgedchannel(struct ast_channel *chan, struct
        struct local_pvt *p = bridge->tech_pvt;
        struct ast_channel *bridged = bridge;
 
+       if (!p) {
+               ast_debug(1, "Asked for bridged channel on '%s'/'%s', returning <none>\n",
+                       chan->name, bridge->name);
+               return NULL;
+       }
+
        ast_mutex_lock(&p->lock);
 
        if (ast_test_flag(p, LOCAL_BRIDGE)) {