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authorDan Carpenter <dan.carpenter@oracle.com>2016-01-07 12:36:06 +0300
committerJoerg Roedel <jroedel@suse.de>2016-01-07 13:08:07 +0100
commit1fb260bc003d7c6196fc0ee3a169a2f6495d17fe (patch)
tree8d93faf7c91cd42fda93a90e92c73c884a4f2fe9 /drivers/iommu/amd_iommu.c
parenta639a8eecf2be962b5dcd38dedd8b6bd10c2354b (diff)
iommu/amd: Remove an unneeded condition
get_device_id() returns an unsigned short device id. It never fails and it never returns a negative so we can remove this condition. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/amd_iommu.c')
-rw-r--r--drivers/iommu/amd_iommu.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index 6f6502d9fd67..539b0dea8034 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3857,11 +3857,9 @@ static struct irq_domain *get_irq_domain(struct irq_alloc_info *info)
case X86_IRQ_ALLOC_TYPE_MSI:
case X86_IRQ_ALLOC_TYPE_MSIX:
devid = get_device_id(&info->msi_dev->dev);
- if (devid >= 0) {
- iommu = amd_iommu_rlookup_table[devid];
- if (iommu)
- return iommu->msi_domain;
- }
+ iommu = amd_iommu_rlookup_table[devid];
+ if (iommu)
+ return iommu->msi_domain;
break;
default:
break;