Re: [PATCH 5/9] iommu: Make fault_param generic

[Baolu Lu <baolu.lu@xxxxxxxxxxxxxxx>]

On 2023/7/11 14:14, Tian, Kevin wrote:
> > From: Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>
> > Sent: Tuesday, July 11, 2023 9:07 AM
> >
> > @@ -299,7 +299,15 @@ static int dev_iommu_get(struct device *dev)
> >   		return -ENOMEM;
> >
> >   	mutex_init(&param->lock);
> > +	param->fault_param = kzalloc(sizeof(*param->fault_param),
> > GFP_KERNEL);
> > +	if (!param->fault_param) {
> > +		kfree(param);
> > +		return -ENOMEM;
> > +	}
> > +	mutex_init(&param->fault_param->lock);
> > +	INIT_LIST_HEAD(&param->fault_param->faults);
> >   	dev->iommu = param;
> > +
> >   	return 0;
> >   }
>
> Upon above changes is it slightly cleaner to call it dev_iommu_init()
> to better pair with dev_iommu_free()?

dev_iommu_init() was introduced in Jason's series. It's not landed yet.

https://lore.kernel.org/linux-iommu/0-v3-328044aa278c+45e49-iommu_probe_jgg@xxxxxxxxxx/

Sure. Should refine this code after above patches are landed.

Best regards,
baolu