Merge remote-tracking branches 'regulator/fix/88pm800', 'regulator/fix/max8973',...
[linux-drm-fsl-dcu.git] / arch / arm / mm / dma-mapping.c
index 1ced8a0f7a52624cae84203eb0d3417aed5171db..cba12f34ff774ca08216c5d2b6061b07b68b1a99 100644 (file)
@@ -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;