linux-kernel - Re: [PATCH 01/13] genirq/msi: Add cpumask allocation to alloc_msi

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Message-ID: <20160919135007.GC28585@lst.de>
Date:   Mon, 19 Sep 2016 15:50:07 +0200
From:   Christoph Hellwig <hch@....de>
To:     Alexander Gordeev <agordeev@...hat.com>
Cc:     Christoph Hellwig <hch@....de>, axboe@...com, tglx@...utronix.de,
        keith.busch@...el.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 01/13] genirq/msi: Add cpumask allocation to
        alloc_msi_entry

On Mon, Sep 19, 2016 at 09:30:58AM +0200, Alexander Gordeev wrote:
> >  	INIT_LIST_HEAD(&desc->list);
> >  	desc->dev = dev;
> > +	desc->nvec_used = nvec;
> > +	if (affinity) {
> > +		desc->affinity = kmemdup(affinity,
> > +			nvec * sizeof(*desc->affinity), GFP_KERNEL);
> > +		if (!desc->affinity) {
> > +			kfree(desc);
> > +			return NULL;
> > +		}
> > +	}
> 
> nit - should not "desc" initialization follow "desc->affinity" allocation?

I can't parse that sentence.  Do you mean the desc->nvec_used setup?