From 9fec79df898602f5a20c0ab489bf9780aa98185d Mon Sep 17 00:00:00 2001 From: Honghui Zhang Date: Wed, 8 Jun 2016 17:50:44 +0800 Subject: [PATCH] iommu/mediatek: Do not call of_node_put in mtk_iommu_of_xlate The device_node will be released in of_iommu_configure, it may be double released if call of_node_put in mtk_iommu_of_xlate. Signed-off-by: Honghui Zhang Signed-off-by: Joerg Roedel --- drivers/iommu/mtk_iommu.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index c3043d8754e3..493bd3e0f8db 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -455,7 +455,6 @@ static int mtk_iommu_of_xlate(struct device *dev, struct of_phandle_args *args) if (!dev->archdata.iommu) { /* Get the m4u device */ m4updev = of_find_device_by_node(args->np); - of_node_put(args->np); if (WARN_ON(!m4updev)) return -EINVAL; -- 2.39.2