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Groups > linux.kernel > #1676604
| From | Joerg Roedel <joro@8bytes.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/3] iommu/omap: Return ERR_PTR in device_group call-back |
| Date | 2017-06-28 14:10 +0200 |
| Message-ID | <tXjXc-6DX-23@gated-at.bofh.it> (permalink) |
| References | <tXjXc-6DX-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Joerg Roedel <jroedel@suse.de>
Make sure that the device_group callback returns an ERR_PTR
instead of NULL.
Signed-off-by: Joerg Roedel <jroedel@suse.de>
---
drivers/iommu/omap-iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 95dfca3..641e035 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1309,7 +1309,7 @@ static void omap_iommu_remove_device(struct device *dev)
static struct iommu_group *omap_iommu_device_group(struct device *dev)
{
struct omap_iommu_arch_data *arch_data = dev->archdata.iommu;
- struct iommu_group *group = NULL;
+ struct iommu_group *group = ERR_PTR(-EINVAL);
if (arch_data->iommu_dev)
group = arch_data->iommu_dev->group;
--
2.7.4
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[PATCH 1/3] iommu: Return ERR_PTR() values from device_group call-backs Joerg Roedel <joro@8bytes.org> - 2017-06-28 14:10 +0200
[PATCH 2/3] iommu/omap: Return ERR_PTR in device_group call-back Joerg Roedel <joro@8bytes.org> - 2017-06-28 14:10 +0200
Re: [PATCH 2/3] iommu/omap: Return ERR_PTR in device_group call-back Suman Anna <s-anna@ti.com> - 2017-06-28 20:00 +0200
Re: [PATCH 1/3] iommu: Return ERR_PTR() values from device_group call-backs Gerald Schaefer <gerald.schaefer@de.ibm.com> - 2017-06-28 17:50 +0200
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