[Libva] [PATCH libva-intel-driver] Fix bound checking

[Zhao Yakui]

On Mon, 2014-04-14 at 20:20 -0600, Xiang, Haihao wrote:
> From: "Xiang, Haihao" <haihao.xiang at intel.com>
> 
> Otherwise it might result in buffer overflow.

LGTM.

Pushed.

Thanks.
> 
> Signed-off-by: Xiang, Haihao <haihao.xiang at intel.com>
> ---
>  src/i965_drv_video.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/src/i965_drv_video.c b/src/i965_drv_video.c
> index cc61ad3..9fa85af 100755
> --- a/src/i965_drv_video.c
> +++ b/src/i965_drv_video.c
> @@ -2326,7 +2326,7 @@ i965_encoder_render_misc_parameter_buffer(VADriverContextP ctx,
>  
>      param = (VAEncMiscParameterBuffer *)obj_buffer->buffer_store->buffer;
>  
> -    if (param->type > ARRAY_ELEMS(encode->misc_param))
> +    if (param->type >= ARRAY_ELEMS(encode->misc_param))
>          return VA_STATUS_ERROR_INVALID_PARAMETER;
>  
>      i965_release_buffer_store(&encode->misc_param[param->type]);