linux-kernel - Re: [PATCH v2 14/16] remoteproc: look-up pre-registered carveout by name for carveout allocation

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Date:   Wed, 13 Dec 2017 21:34:56 -0800
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Loic Pallardy <loic.pallardy@...com>
Cc:     ohad@...ery.com, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org, arnaud.pouliquen@...com,
        benjamin.gaignard@...aro.org
Subject: Re: [PATCH v2 14/16] remoteproc: look-up pre-registered carveout by
 name for carveout allocation

On Thu 30 Nov 08:46 PST 2017, Loic Pallardy wrote:
> +	/* By name */
> +	mem = rproc_find_carveout_by_name(rproc, rsc->name);
> +	if (mem) {
> +		/*
> +		 * Update resource table with registered carevout information
> +		 */
> +		rsc->len = mem->len;

You should validate that len, da and pa are compatible.

> +		rsc->da = mem->da;
> +		rsc->pa = rproc_va_to_pa(mem->va);
> +		/* no need to register as already match one for one */
> +		return 0;
> +	}

Regards,
Bjorn