Fix potential call feature race
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@911 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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@ -2925,6 +2925,9 @@ struct ast_frame *zt_exception(struct ast_channel *ast)
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int res;
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int usedindex=-1;
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int index;
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struct ast_frame *f;
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ast_pthread_mutex_lock(&p->lock);
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index = zt_get_index(ast, p, 1);
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@ -3001,15 +3004,21 @@ struct ast_frame *zt_exception(struct ast_channel *ast)
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default:
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ast_log(LOG_WARNING, "Don't know how to absorb event %s\n", event2str(res));
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}
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return &p->subs[index].f;
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f = &p->subs[index].f;
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ast_pthread_mutex_unlock(&p->lock);
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return f;
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}
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if (!p->radio) ast_log(LOG_DEBUG, "Exception on %d, channel %d\n", ast->fds[0],p->channel);
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/* If it's not us, return NULL immediately */
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if (ast != p->owner) {
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ast_log(LOG_WARNING, "We're %s, not %s\n", ast->name, p->owner->name);
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return &p->subs[index].f;
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f = &p->subs[index].f;
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ast_pthread_mutex_unlock(&p->lock);
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return f;
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}
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return zt_handle_event(ast);
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f = zt_handle_event(ast);
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ast_pthread_mutex_unlock(&p->lock);
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return f;
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}
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struct ast_frame *zt_read(struct ast_channel *ast)
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@ -3133,8 +3142,9 @@ struct ast_frame *zt_read(struct ast_channel *ast)
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}
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if (res != (p->subs[index].linear ? READ_SIZE * 2 : READ_SIZE)) {
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ast_log(LOG_DEBUG, "Short read (%d/%d), must be an event...\n", res, p->subs[index].linear ? READ_SIZE * 2 : READ_SIZE);
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f = zt_handle_event(ast);
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pthread_mutex_unlock(&p->lock);
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return zt_handle_event(ast);
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return f;
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}
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if (p->tdd) { /* if in TDD mode, see if we receive that */
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int c;
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