[PATCH] iommu/mediatek: Do not call of_node_put in mtk_iommu_of_xlate
From: <hidden>
Date: 2016-06-08 09:50:57
Also in:
linux-arm-kernel, linux-iommu, linux-mediatek, lkml
Subsystem:
iommu subsystem, mediatek iommu driver, the rest · Maintainers:
Joerg Roedel, Will Deacon, Yong Wu, Linus Torvalds
From: Honghui Zhang <honghui.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> 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 <honghui.zhang-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org> --- 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 c3043d8..493bd3e 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;
--
1.8.1.1.dirty
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