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Date: Mon, 17 Feb 2020 20:38:58 +0100 From: Joerg Roedel <joro@...tes.org> To: Lu Baolu <baolu.lu@...ux.intel.com>, David Woodhouse <dwmw2@...radead.org> Cc: Joerg Roedel <joro@...tes.org>, jroedel@...e.de, iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org Subject: [PATCH 5/5] iommu/vt-d: Simplify check in identity_mapping() From: Joerg Roedel <jroedel@...e.de> The function only has one call-site and there it is never called with dummy or deferred devices. Simplify the check in the function to account for that. Signed-off-by: Joerg Roedel <jroedel@...e.de> --- drivers/iommu/intel-iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 16e47ca505eb..0b5a0fadbc0c 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -2916,7 +2916,7 @@ static int identity_mapping(struct device *dev) struct device_domain_info *info; info = dev->archdata.iommu; - if (info && info != DUMMY_DEVICE_DOMAIN_INFO && info != DEFER_DEVICE_DOMAIN_INFO) + if (info) return (info->domain == si_domain); return 0; -- 2.17.1
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