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Merge tag 'iommu-fixes-v5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git]
/
drivers
/
iommu
/
mtk_iommu_v1.c
diff --git
a/drivers/iommu/mtk_iommu_v1.c
b/drivers/iommu/mtk_iommu_v1.c
index 730f7dabcf37bf1495df35024c57d8117c964da1..7e0df67bd3e976077102ec659f4cb21d3a26652a 100644
(file)
--- a/
drivers/iommu/mtk_iommu_v1.c
+++ b/
drivers/iommu/mtk_iommu_v1.c
@@
-441,6
+441,10
@@
static int mtk_iommu_add_device(struct device *dev)
iommu_spec.args_count = count;
mtk_iommu_create_mapping(dev, &iommu_spec);
+
+ /* dev->iommu_fwspec might have changed */
+ fwspec = dev_iommu_fwspec_get(dev);
+
of_node_put(iommu_spec.np);
}