From: Sowmini Varadhan <sowmini.varadhan@oracle.com>
To: sparclinux@vger.kernel.org
Subject: Re: [PATCH] iommu-common: Fix error code used in iommu_tbl_range_{alloc,free}().
Date: Wed, 04 Nov 2015 19:59:53 +0000 [thread overview]
Message-ID: <20151104195953.GF14575@oracle.com> (raw)
In-Reply-To: <20151104.143417.1514217749334656481.davem@davemloft.net>
On (11/04/15 14:34), David Miller wrote:
>
> The value returned from iommu_tbl_range_alloc() (and the one passed
> in as a fourth argument to iommu_tbl_range_free) is not a DMA address,
> it is rather an index into the IOMMU page table.
>
> Therefore using DMA_ERROR_CODE is not appropriate.
>
> Use a more type matching error code define, IOMMU_ERROR_CODE, and
> update all users of this interface.
Acked-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
prev parent reply other threads:[~2015-11-04 19:59 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-04 19:34 [PATCH] iommu-common: Fix error code used in iommu_tbl_range_{alloc,free}() David Miller
2015-11-04 19:59 ` Sowmini Varadhan [this message]
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