Bug #736: Better checking to avoid chan_zap segfault re: ss_thread and zt_new()
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1907 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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@ -3050,11 +3050,13 @@ static struct ast_frame *zt_handle_event(struct ast_channel *ast)
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if (res)
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ast_log(LOG_WARNING, "Unable to start dial recall tone on channel %d\n", p->channel);
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p->owner = chan;
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if (pthread_create(&threadid, &attr, ss_thread, chan)) {
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if (chan && pthread_create(&threadid, &attr, ss_thread, chan)) {
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ast_log(LOG_WARNING, "Unable to start simple switch on channel %d\n", p->channel);
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res = tone_zone_play_tone(p->subs[SUB_REAL].zfd, ZT_TONE_CONGESTION);
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zt_enable_ec(p);
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ast_hangup(chan);
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} else if (!chan) {
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ast_log(LOG_WARNING, "Cannot allocate new structure on channel %d\n", p->channel);
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} else {
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if (option_verbose > 2)
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ast_verbose(VERBOSE_PREFIX_3 "Started three way call on channel %d\n", p->channel);
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@ -4675,12 +4677,14 @@ static int handle_init_event(struct zt_pvt *i, int event)
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case SIG_SF:
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/* Check for callerid, digits, etc */
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chan = zt_new(i, AST_STATE_RING, 0, SUB_REAL, 0, 0);
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if (pthread_create(&threadid, &attr, ss_thread, chan)) {
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if (chan && pthread_create(&threadid, &attr, ss_thread, chan)) {
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ast_log(LOG_WARNING, "Unable to start simple switch thread on channel %d\n", i->channel);
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res = tone_zone_play_tone(i->subs[SUB_REAL].zfd, ZT_TONE_CONGESTION);
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if (res < 0)
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ast_log(LOG_WARNING, "Unable to play congestion tone on channel %d\n", i->channel);
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ast_hangup(chan);
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} else if (!chan) {
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ast_log(LOG_WARNING, "Cannot allocate new structure on channel %d\n", i->channel);
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}
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#if 0
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printf("Created thread %ld detached in switch(2)\n", threadid);
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