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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 <honghui.zhang@mediatek.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
hifive-unleashed-5.1
Honghui Zhang 2016-06-08 17:50:44 +08:00 committed by Joerg Roedel
parent 5edb56491d
commit 9fec79df89
1 changed files with 0 additions and 1 deletions
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drivers/iommu/mtk_iommu.c
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@ -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;