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iommu/omap: Return ERR_PTR in device_group call-back

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Make sure that the device_group callback returns an ERR_PTR
instead of NULL.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Joerg Roedel 2017-06-28 12:50:16 +02:00
parent 7f7a2304aa
commit 8faf5e5a12
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/omap-iommu.c
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@ -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;