diff options
Diffstat (limited to 'arch/arm/mm/dma-mapping.c')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index a673c7f7e208..903dba064a03 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -2048,6 +2048,9 @@ 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); } |