linux-kernel - Re: [PATCH] iommu-common: fix return type of iommu_tbl_range

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Message-ID: <20151021195640.GC14667@oracle.com>
Date:	Wed, 21 Oct 2015 15:56:40 -0400
From:	Sowmini Varadhan <sowmini.varadhan@...cle.com>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Andre Przywara <andre.przywara@....com>,
	Joerg Roedel <joro@...tes.org>,
	"David S. Miller" <davem@...emloft.net>,
	sparclinux <sparclinux@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Parisc List <linux-parisc@...r.kernel.org>,
	iommu@...ts.linux-foundation.org
Subject: Re: [PATCH] iommu-common: fix return type of iommu_tbl_range_alloc()

On (10/21/15 21:12), Geert Uytterhoeven wrote:
> 
> Does this function really need to return DMA_ERROR_CODE in case of
> failure?

fwiw, this came up very early in code review:

  http://marc.info/?l=linux-sparc&m=142613044704833&w=2

--Sowmini
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