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iommu/amd: Signedness bug in acpihid_device_group()
author
Dan Carpenter
<dan.carpenter@oracle.com>
Mon, 11 Apr 2016 07:14:46 +0000
(10:14 +0300)
committer
Joerg Roedel
<jroedel@suse.de>
Fri, 15 Apr 2016 10:09:10 +0000
(12:09 +0200)
"devid" needs to be signed for the error handling to work.
Fixes:
b097d11a0fa3f
('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>
drivers/iommu/amd_iommu.c
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diff --git
a/drivers/iommu/amd_iommu.c
b/drivers/iommu/amd_iommu.c
index
c430c10
..
12f7779
100644
(file)
--- a/
drivers/iommu/amd_iommu.c
+++ b/
drivers/iommu/amd_iommu.c
@@
-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)