Hi, Dennis:
On Tue, 2020-03-03 at 18:58 +0800, Dennis YC Hsieh wrote:
> Return error code to client if send message fail,
> so that client has chance to error handling.
>
Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
> Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@xxxxxxxxxxxx>
> Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper")
> ---
> drivers/soc/mediatek/mtk-cmdq-helper.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
> index 2e1bc513569b..98f23ba3ba47 100644
> --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
> +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
> @@ -351,7 +351,9 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb,
> spin_unlock_irqrestore(&client->lock, flags);
> }
>
> - mbox_send_message(client->chan, pkt);
> + err = mbox_send_message(client->chan, pkt);
> + if (err < 0)
> + return err;
> /* We can send next packet immediately, so just call txdone. */
> mbox_client_txdone(client->chan, 0);
>
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