Re: [PATCH] ASoC: q6dsp: q6afe: remove unneeded dead-store initialization

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On Sun, Apr 25, 2021 at 3:12 AM Yang Li <yang.lee@xxxxxxxxxxxxxxxxx> wrote:
>
> Variables 'wait' and 'port_id' are being initialized, however the
> values are never read and updated later on, hence the redundant
> initializations can be removed.
>
> Cleans up clang warnings:
> sound/soc/qcom/qdsp6/q6afe.c:933:21: warning: Value stored to 'wait'
> during its initialization is never read
> sound/soc/qcom/qdsp6/q6afe.c:1186:6: warning: Value stored to 'port_id'
> during its initialization is never read
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>

Thanks for the patch, but it looks like this has already been fixed in:
https://lore.kernel.org/alsa-devel/20210218222916.89809-5-pierre-louis.bossart@xxxxxxxxxxxxxxx/


> ---
>  sound/soc/qcom/qdsp6/q6afe.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/qcom/qdsp6/q6afe.c b/sound/soc/qcom/qdsp6/q6afe.c
> index cad1cd1..442bf27 100644
> --- a/sound/soc/qcom/qdsp6/q6afe.c
> +++ b/sound/soc/qcom/qdsp6/q6afe.c
> @@ -930,7 +930,7 @@ int q6afe_get_port_id(int index)
>  static int afe_apr_send_pkt(struct q6afe *afe, struct apr_pkt *pkt,
>                             struct q6afe_port *port, uint32_t rsp_opcode)
>  {
> -       wait_queue_head_t *wait = &port->wait;
> +       wait_queue_head_t *wait;
>         struct aprv2_ibasic_rsp_result_t *result;
>         int ret;
>
> @@ -1183,7 +1183,7 @@ int q6afe_port_stop(struct q6afe_port *port)
>         struct afe_port_cmd_device_stop *stop;
>         struct q6afe *afe = port->afe;
>         struct apr_pkt *pkt;
> -       int port_id = port->id;
> +       int port_id;
>         int ret = 0;
>         int index, pkt_size;
>         void *p;
> --
> 1.8.3.1
>


-- 
Thanks,
~Nick Desaulniers



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