From b6d57f1da7e81cb056619d41cf015ebe306c296c Mon Sep 17 00:00:00 2001 From: Jeffy Chen Date: Thu, 1 Mar 2018 19:22:08 +0800 Subject: iommu/omap: Increase group ref in .device_group() Increase group refcounting in omap_iommu_device_group(). Signed-off-by: Jeffy Chen Signed-off-by: Joerg Roedel --- 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; } -- cgit v1.2.3-59-g8ed1b