2018-03-01 11:23:41

by Jeffy Chen

Subject: [PATCH] iommu/omap: Increase group ref in .device_group()

Increase group refcounting in omap_iommu_device_group().

Signed-off-by: Jeffy Chen <[email protected]>
---

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 e135ab830ebf..c33b7b104e72 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1536,7 +1536,7 @@ static struct iommu_group *omap_iommu_device_group(struct device *dev)
struct iommu_group *group = ERR_PTR(-EINVAL);

if (arch_data->iommu_dev)
- group = arch_data->iommu_dev->group;
+ group = iommu_group_ref_get(arch_data->iommu_dev->group);

return group;
}
--
2.11.0

2018-03-15 14:58:11

by Joerg Roedel

Subject: Re: [PATCH] iommu/omap: Increase group ref in .device_group()

On Thu, Mar 01, 2018 at 07:22:08PM +0800, Jeffy Chen wrote:
> Increase group refcounting in omap_iommu_device_group().
>
> Signed-off-by: Jeffy Chen <[email protected]>

Applied, thanks.