1 files changed, 3 insertions, 0 deletions

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 7864797609b3..f142ddd6c40a 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -2025,6 +2025,9 @@ static void arm_teardown_iommu_dma_ops(struct device *dev)
 {
         struct dma_iommu_mapping *mapping = dev->archdata.mapping;
 
+        if (!mapping)
+                return;
+
         arm_iommu_detach_device(dev);
         arm_iommu_release_mapping(mapping);
 }