Re: [PATCH v14 17/25] virt: gunyah: Translate gh_rm_hyp_resource into gunyah_resource

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On Tue, Jun 13, 2023 at 10:20:45AM -0700, Elliot Berman wrote:
> diff --git a/drivers/virt/gunyah/rsc_mgr.c b/drivers/virt/gunyah/rsc_mgr.c
[..]
> +struct gh_resource *gh_rm_alloc_resource(struct gh_rm *rm, struct gh_rm_hyp_resource *hyp_resource)
> +{
> +	struct gh_resource *ghrsc;
> +	int ret;
> +
> +	ghrsc = kzalloc(sizeof(*ghrsc), GFP_KERNEL);
> +	if (!ghrsc)
> +		return NULL;
> +
> +	ghrsc->type = hyp_resource->type;
> +	ghrsc->capid = le64_to_cpu(hyp_resource->cap_id);
> +	ghrsc->irq = IRQ_NOTCONNECTED;
> +	ghrsc->rm_label = le32_to_cpu(hyp_resource->resource_label);
> +	if (hyp_resource->virq) {
> +		struct gh_irq_chip_data irq_data = {
> +			.gh_virq = le32_to_cpu(hyp_resource->virq),
> +		};
> +
> +		ret = irq_domain_alloc_irqs(rm->irq_domain, 1, NUMA_NO_NODE, &irq_data);
> +		if (ret < 0) {
> +			dev_err(rm->dev,
> +				"Failed to allocate interrupt for resource %d label: %d: %d\n",
> +				ghrsc->type, ghrsc->rm_label, ret);
> +			kfree(ghrsc);
> +			return NULL;
> +		} else {

No need for the else here, the failure case has already returned.

> +			ghrsc->irq = ret;
> +		}
> +	}
> +
> +	return ghrsc;
> +}
[..]
> diff --git a/include/linux/gunyah.h b/include/linux/gunyah.h
> index 982e27d10d57f..4b398b59c2c5a 100644
> --- a/include/linux/gunyah.h
> +++ b/include/linux/gunyah.h
> @@ -27,6 +27,9 @@ struct gh_resource {
>  	enum gh_resource_type type;
>  	u64 capid;
>  	unsigned int irq;
> +
> +	struct list_head list;

This is unused.

Regards,
Bjorn



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