x86, pci: iommu fix potential overflow in alloc_iommu()

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It is possible that alloc_iommu()'s boundary_size overflows as
dma_get_seg_boundary can return 0xffffffff.  In that case, further usage of
boundary_size triggers a BUG_ON() in the iommu code.

Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Prarit Bhargava 2008-07-21 10:15:22 -04:00 • committed by Ingo Molnar

parent c010b2f76c

commit 05d3ed0a1f

1 changed files with 1 additions and 1 deletions

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arch/x86/kernel/pci-gart_64.c

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