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-rw-r--r--arch/arm/mm/dma-mapping.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 1ced8a0f7a52..cba12f34ff77 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1971,7 +1971,7 @@ static int extend_iommu_mapping(struct dma_iommu_mapping *mapping)
{
int next_bitmap;
- if (mapping->nr_bitmaps > mapping->extensions)
+ if (mapping->nr_bitmaps >= mapping->extensions)
return -EINVAL;
next_bitmap = mapping->nr_bitmaps;