linux-kernel - [RFC PATCH v2 03/10] iommu/amd: Add default branch in amd_iommu

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Message-Id: <20180830040922.30426-4-baolu.lu@linux.intel.com>
Date:   Thu, 30 Aug 2018 12:09:15 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Joerg Roedel <joro@...tes.org>,
        David Woodhouse <dwmw2@...radead.org>,
        Alex Williamson <alex.williamson@...hat.com>,
        Kirti Wankhede <kwankhede@...dia.com>
Cc:     ashok.raj@...el.com, sanjay.k.kumar@...el.com,
        jacob.jun.pan@...el.com, kevin.tian@...el.com,
        Jean-Philippe Brucker <jean-philippe.brucker@....com>,
        yi.l.liu@...el.com, yi.y.sun@...el.com, peterx@...hat.com,
        tiwei.bie@...el.com, iommu@...ts.linux-foundation.org,
        kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [RFC PATCH v2 03/10] iommu/amd: Add default branch in amd_iommu_capable()

Otherwise, there will be a build warning:

drivers/iommu/amd_iommu.c:3083:2: warning: enumeration value
'IOMMU_CAP_AUX_DOMAIN' not handled in switch [-Wswitch]

There is no functional change.

Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
---
 drivers/iommu/amd_iommu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 4e04fff23977..237ae6db4cfd 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3077,6 +3077,8 @@ static bool amd_iommu_capable(enum iommu_cap cap)
 		return (irq_remapping_enabled == 1);
 	case IOMMU_CAP_NOEXEC:
 		return false;
+	default:
+		break;
 	}
 
 	return false;
-- 
2.17.1