[PATCH 2/4] iommu/omap: Set dev->archdata.iommu = NULL in omap_iommu_remove_device

[Joerg Roedel]

From: Joerg Roedel <jroedel@xxxxxxx>

Don't leave a stale pointer in case the device continues to
exist for some more time.

Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
---
 drivers/iommu/omap-iommu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index e9c9b08..08bd731 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1259,6 +1259,8 @@ static void omap_iommu_remove_device(struct device *dev)
 	if (!dev->of_node || !arch_data)
 		return;
 
+	dev->archdata.iommu = NULL;
+
 	kfree(arch_data->name);
 	kfree(arch_data);
 }
-- 
1.9.1