The reference taken by 'of_find_device_by_node()' must be released when
not needed anymore.
Add the corresponding 'put_device()' in the error handling paths.

Fixes: ede1c2e7d4dc ("iommu/omap: Store iommu_dev pointer in arch_data")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/iommu/omap-iommu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 91749654fd49..cbc7ca5e890a 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1684,6 +1684,7 @@ static struct iommu_device *omap_iommu_probe_device(struct device *dev)
 		oiommu = platform_get_drvdata(pdev);
 		if (!oiommu) {
 			of_node_put(np);
+			put_device(&pdev->dev);
 			kfree(arch_data);
 			return ERR_PTR(-EINVAL);
 		}
-- 
2.17.1