Hi Zhenhua,

On 08/30/2010 01:28 AM, Zhenhua Zhang wrote:
> To avoid signal 11 if no dial_req exists.
> ---
>  src/voicecall.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
> 
> diff --git a/src/voicecall.c b/src/voicecall.c
> index 6ad58ad..1313129 100644
> --- a/src/voicecall.c
> +++ b/src/voicecall.c
> @@ -220,6 +220,9 @@ static void dial_request_finish(struct ofono_voicecall *vc, gboolean callback)
>  {
>  	struct dial_request *dial_req = vc->dial_req;
>  
> +	if (dial_req == NULL)
> +		return;
> +
>  	if (callback && dial_req->cb)
>  		dial_req->cb(dial_req->call ? dial_req->call->call : NULL,
>  				dial_req->user_data);

I fixed it slightly differently.  Let me know if it still crashes.

Regards,
-Denis