Re: [RFC PATCH 05/12] s390/cio: add protected virtualization support to cio

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On Fri, 5 Apr 2019, Halil Pasic wrote:
> @@ -1593,20 +1609,29 @@ struct ccw_device * __init ccw_device_create_console(struct ccw_driver *drv)
>  		return ERR_CAST(sch);
>  
>  	io_priv = kzalloc(sizeof(*io_priv), GFP_KERNEL | GFP_DMA);
> -	if (!io_priv) {
> -		put_device(&sch->dev);
> -		return ERR_PTR(-ENOMEM);
> -	}
> +	if (!io_priv)
> +		goto err_priv;
> +	io_priv->dma_area = cio_dma_zalloc(sizeof(*io_priv->dma_area));

This is called very early - the dma pool is not yet initialized.




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