korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-14 14:34:28 +08:00
Code Issues Packages Projects Releases Wiki Activity

iommu/amd: Remove an unneeded condition

Browse Source 
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>
This commit is contained in:
Dan Carpenter 2016-01-07 12:36:06 +03:00 committed by Joerg Roedel
parent a639a8eecf
commit 1fb260bc00
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/iommu/amd_iommu.c
View File

@ -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_MSI:
case X86_IRQ_ALLOC_TYPE_MSIX: case X86_IRQ_ALLOC_TYPE_MSIX:
devid = get_device_id(&info->msi_dev->dev); devid = get_device_id(&info->msi_dev->dev);
if (devid >= 0) { iommu = amd_iommu_rlookup_table[devid];
iommu = amd_iommu_rlookup_table[devid]; if (iommu)
if (iommu) return iommu->msi_domain;
return iommu->msi_domain;
}
break; break;
default: default:
break; break;