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iommu/amd: Signedness bug in acpihid_device_group()

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"devid" needs to be signed for the error handling to work.

Fixes: b097d11a0f ('iommu/amd: Manage iommu_group for ACPI HID devices')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Dan Carpenter 2016-04-11 10:14:46 +03:00 committed by Joerg Roedel
parent 9a4d3bf56c
commit 2d8e1f039d
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/amd_iommu.c
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@ -283,7 +283,7 @@ static struct iommu_dev_data *get_dev_data(struct device *dev)
static struct iommu_group *acpihid_device_group(struct device *dev)
{
struct acpihid_map_entry *p, *entry = NULL;
u16 devid;
int devid;
devid = get_acpihid_device_id(dev, &entry);
if (devid < 0)