Merge "arm: dma-mapping: Add iova checks in arm_iommu_map_sg" (9a1ae72b) · Commits · e / devices / android_kernel_fairphone_FP3

arch/arm/mm/dma-mapping.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1965,6 +1965,8 @@ int arm_iommu_map_sg(struct device dev, struct scatterlist sg,
		total_length += s->length;

		iova = __alloc_iova(mapping, total_length);
		if (iova == DMA_ERROR_CODE)
		return 0;
		ret = iommu_map_sg(mapping->domain, iova, sg, nents, prot);
		if (ret != total_length) {
		__free_iova(mapping, iova, total_length);