[alsa-devel] [PATCH] ASoC: qdsp6: qdafe: fix some off by one bugs

[Srinivas Kandagatla]

Thanks for the patch,

On 27/06/18 09:56, Dan Carpenter wrote:
> The > should be >= or we could read one element beyond the end of the
> port_maps[] array.
> 
> Fixes: 7fa2d70f9766 ("ASoC: qdsp6: q6afe: Add q6afe driver")
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
> 

Acked-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>

> diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c
> index 01f43218984b..69a7896cb713 100644
> --- a/sound/soc/qcom/qdsp6/q6afe.c
> +++ b/sound/soc/qcom/qdsp6/q6afe.c
> @@ -777,7 +777,7 @@ static int q6afe_callback(struct apr_device *adev, struct apr_resp_pkt *data)
>    */
>   int q6afe_get_port_id(int index)
>   {
> -	if (index < 0 || index > AFE_PORT_MAX)
> +	if (index < 0 || index >= AFE_PORT_MAX)
>   		return -EINVAL;
>   
>   	return port_maps[index].port_id;
> @@ -1014,7 +1014,7 @@ int q6afe_port_stop(struct q6afe_port *port)
>   
>   	port_id = port->id;
>   	index = port->token;
> -	if (index < 0 || index > AFE_PORT_MAX) {
> +	if (index < 0 || index >= AFE_PORT_MAX) {
>   		dev_err(afe->dev, "AFE port index[%d] invalid!\n", index);
>   		return -EINVAL;
>   	}
> @@ -1355,7 +1355,7 @@ struct q6afe_port *q6afe_port_get_from_id(struct device *dev, int id)
>   	unsigned long flags;
>   	int cfg_type;
>   
> -	if (id < 0 || id > AFE_PORT_MAX) {
> +	if (id < 0 || id >= AFE_PORT_MAX) {
>   		dev_err(dev, "AFE port token[%d] invalid!\n", id);
>   		return ERR_PTR(-EINVAL);
>   	}
>