From: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>,
Wan Zongshun <Vincent.Wan-5C7GfCeVMHo@public.gmane.org>
Cc: iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
kernel-janitors-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [patch] iommu/amd: Signedness bug in acpihid_device_group()
Date: Mon, 11 Apr 2016 10:14:46 +0300 [thread overview]
Message-ID: <20160411071446.GB10739@mwanda> (raw)
"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-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index c430c10..12f7779 100644
--- 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)
next reply other threads:[~2016-04-11 7:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-11 7:14 Dan Carpenter [this message]
2016-04-11 7:22 ` [patch] iommu/amd: Signedness bug in acpihid_device_group() Wan, Vincent
2016-04-11 14:11 ` Joerg Roedel
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