Commit d91afd15 authored Jan 22, 2010 by Joerg Roedel

x86/amd-iommu: Fix possible integer overflow



The variable i in this function could be increased to over
2**32 which would result in an integer overflow when using
int. Fix it by changing i to unsigned long.

Cc: stable@kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>

parent 92dcffb9

arch/x86/kernel/amd_iommu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -980,7 +980,7 @@ static int alloc_new_range(struct dma_ops_domain *dma_dom,
		{
		int index = dma_dom->aperture_size >> APERTURE_RANGE_SHIFT;
		struct amd_iommu *iommu;
		int i;
		unsigned long i;

		#ifdef CONFIG_IOMMU_STRESS
		populate = false;

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